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Mercury 20 (2 CYL.) (0G760300 THRU 0T979999) Outboard Motor Parts Diagram & Catalog – Free PDF Download

by JLM Marine 30 Apr 2025 0 Comments
Mercury 20 (2 CYL.) Outboard Motor Parts Diagram & Catalog – Free PDF Download

Accessories

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Below is the parts list for Mercury 20 (2 CYL.) Accessories:

Mercury 20 (2 CYL.) Accessories Diagram
Position No. Part Name OEM Number Supersedes
- CHARGING KIT, Battery 62351A10
- ATTACHING KIT, Cable And Pulley 52992A2
- CONVERSION KIT, Starter Motor 50-90983A5
- FLUSHING ATTACHMENT 44357Q2
- HOSE ASSEMBLY, Fuel (8 Feet) Comment: (With Quick Disconnect) 32-877680Q8
- HOSE ASSEMBLY, Fuel (12 Feet) Comment: (With Quick Disconnect) 32-877680Q12 32-858620Q12, 32-858620A12, 32-827927A12 (With Quick Disconnect)
- HOSE ASSEMBLY, Fuel (8 Feet) Comment: (With Quick Disconnect Engine End Only) 32-877681Q8
- HOSE ASSEMBLY, Fuel (12 Feet) Comment: (With Quick Disconnect Engine End Only) 32-877681Q12 32-804792Q12, 32-804792Q, 32-858621Q12, 32-858621A12, 32-17146A12 (With Quick Disconnect Engine End Only)
- HOSE ASSEMBLY, Fuel (12 Feet) Comment: (No Fittings) 32-877683Q12 32-858623Q12, 32-858623A12, 32-822379A12, 32-819380A12, FA599752, FS409752, 32-819380A 3, F216752, FA409752, F289752, FA178752, FA216752, FA284752, FA289752, FS409952 (No Fittings)
- CO-PILOT KIT 52148A1
- KEY SWITCH KIT, Remote Ignition 15000A7
- COIL KIT, Lighting 42282A4
- REGULATOR KIT, Lighting 95845A5
- MOTOR LOCK 14171Q2
- TRIM KIT 850700A08 850700A 6
- ATTACHING KIT, Remote Control Comment: (Non-Jet) 826633A1
- DRIVE KIT, Shallow Water 12756A1
- CONVERSION KIT, Side Shift 821190A2
- BRACKET ASSEMBLY, Steering, Without Carrying Handle 816667A2
- ATTACHING KIT, Steering Link 41323A03
- THERMOSTAT KIT 14586A3
- BRACKET ASSEMBLY, Tiller Handle, For Use with Co-Pilot Kit 98571A3
- TILLER HANDLE KIT Comment: (Black) 821468A7
- TILLER HANDLE KIT Comment: (Gray) 821468A7
- CONVERSION KIT, Tiller Handle Start Switch 87-823609A7
- CHARGING KIT, Battery 62351A10
- ATTACHING KIT, Cable And Pulley 52992A2
- CONVERSION KIT, Starter Motor 50-90983A5
- FLUSHING ATTACHMENT 44357Q2
- HOSE ASSEMBLY, Fuel (8 Feet) Comment: (With Quick Disconnect) 32-877680Q8
- HOSE ASSEMBLY, Fuel (12 Feet) Comment: (With Quick Disconnect) 32-877680Q12 32-858620Q12, 32-858620A12, 32-827927A12 (With Quick Disconnect)
- HOSE ASSEMBLY, Fuel (8 Feet) Comment: (With Quick Disconnect Engine End Only) 32-877681Q8
- HOSE ASSEMBLY, Fuel (12 Feet) Comment: (With Quick Disconnect Engine End Only) 32-877681Q12 32-804792Q12, 32-804792Q, 32-858621Q12, 32-858621A12, 32-17146A12 (With Quick Disconnect Engine End Only)
- HOSE ASSEMBLY, Fuel (12 Feet) Comment: (No Fittings) 32-877683Q12 32-858623Q12, 32-858623A12, 32-822379A12, 32-819380A12, FA599752, FS409752, 32-819380A 3, F216752, FA409752, F289752, FA178752, FA216752, FA284752, FA289752, FS409952 (No Fittings)
- CO-PILOT KIT 52148A1
- KEY SWITCH KIT, Remote Ignition 15000A7
- COIL KIT, Lighting 42282A4
- REGULATOR KIT, Lighting 95845A5
- MOTOR LOCK 14171Q2
- TRIM KIT 850700A08 850700A 6
- ATTACHING KIT, Remote Control Comment: (Non-Jet) 826633A1
- DRIVE KIT, Shallow Water 12756A1
- CONVERSION KIT, Side Shift 821190A2
- BRACKET ASSEMBLY, Steering, Without Carrying Handle 816667A2
- ATTACHING KIT, Steering Link 41323A03
- THERMOSTAT KIT 14586A3
- BRACKET ASSEMBLY, Tiller Handle, For Use with Co-Pilot Kit 98571A3
- TILLER HANDLE KIT Comment: (Black) 821468A7
- TILLER HANDLE KIT Comment: (Gray) 821468A7
- CONVERSION KIT, Tiller Handle Start Switch 87-823609A7

Bottom Cowl

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Below is the parts list for Mercury 20 (2 CYL.) Bottom Cowl:

Mercury 20 (2 CYL.) Bottom Cowl Diagram
Position No. Part Name OEM Number Supersedes
1 BOTTOM COWL Comment: (Black) 2193-9682A8
2 GROMMET, Shift Shaft 25-17231
3 SCREW, (M6 x 35) 10-4000332
4 COVER, Harness 17223
5 NUT, (M6) Stainless Steel 11-401366
6 NUT, (M6) Stainless Steel 11-401366
7 GROMMET, Wire Harness 25-17226
8 SWITCH ASSEMBLY, Stop 87-826677A3
9 RETAINER, Brass 8M0032846 12044 1
10 LANYARD ASSEMBLY 15920Q54
11 PLUG Comment: (Remote Control) 19-17230
12 SCREW, (#10-16 x .500) 10-878608 10-812832
13 CUP Comment: (Remote Control) 39519
14 GROMMET, Side Cover Comment: (Remote Control) 25-8243641
15 NUT, (M6) Stainless Steel Comment: (Remote Control) 11-401366
16 NUT, (M6) Stainless Steel Comment: (Remote Control) 11-401366
17 SIDE COVER Comment: (Remote Control) 8M0053899 823837A 8 (Remote Control)
18 SCREW, (M6 x 20) Comment: (Remote Control) 56-8M0206596
19 SCREW, (M6 x 16) Comment: (Remote Control) 10-8M0214928
20 SIDE COVER Comment: (Manual) (Tiller Shift) 8M0054857 824367F 1 (Manual) (Tiller Shift)
21 GROMMET Comment: (Tiller Shift) 25-824362
22 SCREW, (M6 x 20) Comment: (Tiller Shift) 56-8M0206596
23 NUT, (M6) Stainless Steel Comment: (Tiller Shift) 11-401366
24 SIDE COVER Comment: (Manual) (Side Shift) 8M0054857 824367F 1 (Manual) (Side Shift)
25 GROMMET Comment: (Side Shift) 25-824361
26 SCREW, (M6 x 20) Comment: (Side Shift) 56-8M0206596
27 NUT, (M6) Stainless Steel Comment: (Side Shift) 11-401366
28 SCREW, (.250-20 x 1.50) 10-852530
29 LEVER, Cowl Latch 17220
30 BUSHING 23-812707 23-71984, 23-F286818, 23-F286828, F480818
31 HOOK, Latch 816202 812412, 17222
32 WAVE WASHER 13-37642
33 NUT, Latch Retaining 11-17224
1 BOTTOM COWL Comment: (Black) 2193-9682A8
2 GROMMET, Shift Shaft 25-17231
3 SCREW, (M6 x 35) 10-4000332
4 COVER, Harness 17223
5 NUT, (M6) Stainless Steel 11-401366
6 NUT, (M6) Stainless Steel 11-401366
7 GROMMET, Wire Harness 25-17226
8 SWITCH ASSEMBLY, Stop 87-826677A3
9 RETAINER, Brass 8M0032846 12044 1
10 LANYARD ASSEMBLY 15920Q54
11 PLUG Comment: (Remote Control) 19-17230
12 SCREW, (#10-16 x .500) 10-878608 10-812832
13 CUP Comment: (Remote Control) 39519
14 GROMMET, Side Cover Comment: (Remote Control) 25-8243641
15 NUT, (M6) Stainless Steel Comment: (Remote Control) 11-401366
16 NUT, (M6) Stainless Steel Comment: (Remote Control) 11-401366
17 SIDE COVER Comment: (Remote Control) 8M0053899 823837A 8 (Remote Control)
18 SCREW, (M6 x 20) Comment: (Remote Control) 56-8M0206596
19 SCREW, (M6 x 16) Comment: (Remote Control) 10-8M0214928
20 SIDE COVER Comment: (Manual) (Tiller Shift) 8M0054857 824367F 1 (Manual) (Tiller Shift)
21 GROMMET Comment: (Tiller Shift) 25-824362
22 SCREW, (M6 x 20) Comment: (Tiller Shift) 56-8M0206596
23 NUT, (M6) Stainless Steel Comment: (Tiller Shift) 11-401366
24 SIDE COVER Comment: (Manual) (Side Shift) 8M0054857 824367F 1 (Manual) (Side Shift)
25 GROMMET Comment: (Side Shift) 25-824361
26 SCREW, (M6 x 20) Comment: (Side Shift) 56-8M0206596
27 NUT, (M6) Stainless Steel Comment: (Side Shift) 11-401366
28 SCREW, (.250-20 x 1.50) 10-852530
29 LEVER, Cowl Latch 17220
30 BUSHING 23-812707 23-71984, 23-F286818, 23-F286828, F480818
31 HOOK, Latch 816202 812412, 17222
32 WAVE WASHER 13-37642
33 NUT, Latch Retaining 11-17224

Carburetor(20/25/Jet 20)

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Below is the parts list for Mercury 20 (2 CYL.) Carburetor(20/25/Jet 20):

Mercury 20 (2 CYL.) Carburetor(20/25/Jet 20) Diagram
Position No. Part Name OEM Number Supersedes
1 CARBURETOR, (WMC-52A) (20 Hp) 1392-823907T12 1392-823907T 9
1 CARBURETOR, (WMC-64) (20 Hp) 1392-823907T12 1392-823907T 9
1 CARBURETOR KIT, (WMC-85) (20Hp) 1392-823907A16
1 CARBURETOR, (WMC-53A) (25Hp/Jet 20) 1390-817405T23 1390-817405T19, 1390-817405T16, 1390-817405T11, 1390-817405A11, 1390-817405A 9
1 CARBURETOR, (WMC-65) (25Hp/Jet 20) 1390-817405T23 1390-817405T19, 1390-817405T16, 1390-817405T11, 1390-817405A11, 1390-817405A 9
1 CARBURETOR KIT, (WMC-87) (25 Hp/Jet 20) 1390-817405A22
2 VALVE, Throttle Comment: (20Hp) 815133
2 VALVE, Throttle Comment: (25Hp/Jet 20) 1395-96461
3 SHAFT, Throttle 1395-96951
4 SCREW 1395-804997
5 SPRING 1395-804996
6 VALVE, Inlet Needle 1395-803861 1395-879194048, 1395-9855
7 JET, (.044) Comment: (20Hp) 1395-7394
7 JET, (.076) Comment: (25Hp/Jet 20) 1399-3796
8 PLUG 1395-9171
9 COVER, Diaphragm 1395-823648
10 SCREW 1395-9697
11 BODY 15827A1
12 SCREW 1395-9643
13 COVER, Fuel Pump 1395-96371
14 PLUG 1395-9762
15 GASKET/DIAPHRAGM KIT 1395-97611
16 REPAIR KIT 1395-8237072
17 PLATE, Manual 1395-9699
18 CHOKE, Electric 1395-823433 1395-9701
19 SCREW 1395-9696
20 GASKET, Carburetor 27-192061
21 DIAPHRAGM/GASKET 1395-9635
22 GASKET 1395-9633
23 SHAFT F10064
24 LEVER, Float 1395-824401
25 SERVICE KIT, Primer/Injector Comment: (See Illustrations for Contents) 1395-9844A1
26 BOWL, Fuel 1395-9164
27 FLOAT 1395-91691
28 GASKET 27-44426
29 SCREW, (#6-32 x .187) 1395-5902
30 SCREW, (M5 x 35) 10-40019111
31 NUT, (M5) Stainless Steel 11-400211
- GASKET SET 27-41499A88
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02
1 CARBURETOR, (WMC-52A) (20 Hp) 1392-823907T12 1392-823907T 9
1 CARBURETOR, (WMC-64) (20 Hp) 1392-823907T12 1392-823907T 9
1 CARBURETOR KIT, (WMC-85) (20Hp) 1392-823907A16
1 CARBURETOR, (WMC-53A) (25Hp/Jet 20) 1390-817405T23 1390-817405T19, 1390-817405T16, 1390-817405T11, 1390-817405A11, 1390-817405A 9
1 CARBURETOR, (WMC-65) (25Hp/Jet 20) 1390-817405T23 1390-817405T19, 1390-817405T16, 1390-817405T11, 1390-817405A11, 1390-817405A 9
1 CARBURETOR KIT, (WMC-87) (25 Hp/Jet 20) 1390-817405A22
2 VALVE, Throttle Comment: (20Hp) 815133
2 VALVE, Throttle Comment: (25Hp/Jet 20) 1395-96461
3 SHAFT, Throttle 1395-96951
4 SCREW 1395-804997
5 SPRING 1395-804996
6 VALVE, Inlet Needle 1395-803861 1395-879194048, 1395-9855
7 JET, (.044) Comment: (20Hp) 1395-7394
7 JET, (.076) Comment: (25Hp/Jet 20) 1399-3796
8 PLUG 1395-9171
9 COVER, Diaphragm 1395-823648
10 SCREW 1395-9697
11 BODY 15827A1
12 SCREW 1395-9643
13 COVER, Fuel Pump 1395-96371
14 PLUG 1395-9762
15 GASKET/DIAPHRAGM KIT 1395-97611
16 REPAIR KIT 1395-8237072
17 PLATE, Manual 1395-9699
18 CHOKE, Electric 1395-823433 1395-9701
19 SCREW 1395-9696
20 GASKET, Carburetor 27-192061
21 DIAPHRAGM/GASKET 1395-9635
22 GASKET 1395-9633
23 SHAFT F10064
24 LEVER, Float 1395-824401
25 SERVICE KIT, Primer/Injector Comment: (See Illustrations for Contents) 1395-9844A1
26 BOWL, Fuel 1395-9164
27 FLOAT 1395-91691
28 GASKET 27-44426
29 SCREW, (#6-32 x .187) 1395-5902
30 SCREW, (M5 x 35) 10-40019111
31 NUT, (M5) Stainless Steel 11-400211
- GASKET SET 27-41499A88
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02

Carburetor(Seapro/Marathon 15/25 & Super 15)

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Below is the parts list for Mercury 20 (2 CYL.) Carburetor(Seapro/Marathon 15/25 & Super 15):

Mercury 20 (2 CYL.) Carburetor(Seapro/Marathon 15/25 & Super 15) Diagram
Position No. Part Name OEM Number Supersedes
1 CARBURETOR, (WMC-54A) 1390-817405T20 1390-817405T12, 1390-817405A12, 1390-817405A10
1 CARBURETOR, (WMC-52A) 1392-823907T12 1392-823907T 9
1 CARBURETOR, (WMC-56A) 1392-823907T13 1392-823907T 6
2 VALVE, Throttle Comment: (WMC-54A) 1395-96461
2 VALVE, Throttle Comment: (WMC-52A/56A) 815133
3 SHAFT, Throttle 1395-96951
4 SCREW 1395-804997
5 SPRING 1395-804996
6 VALVE, Inlet Needle 1395-803861 1395-879194048, 1395-9855
7 JET, (.080) Comment: (WMC-54A) 1395-6201
7 JET, (.046) Comment: (WMC-52A/56A) 1399-5317
8 PLUG 1395-9171
9 SHAFT, Choke 1395-8113541
10 LEVER, Choke 1395-811805 817406
11 BODY 15827A1
12 SCREW 1395-9643
13 COVER, Fuel Pump 1395-96371
14 VALVE, Choke 1395-811806 1395-811355
15 GASKET/DIAPHRAGM KIT 1395-97611
16 REPAIR KIT 1395-8237072
17 PLATE 1395-9699
18 SCREW, Bowl Drain 1395-811360
19 SCREW 1395-9696
20 GASKET, Carburetor 27-192061
21 DIAPHRAGM/GASKET 1395-9635
22 GASKET 1395-9633
23 SHAFT F10064
24 LEVER, Float 1395-824401
25 GASKET 27-44426
26 BOWL, Fuel 1395-811353
27 FLOAT 1395-91691
28 SCREW, (#6-32 x .187) 1395-5902
29 LINK, Choke 817425
30 SCREW, (M5 x 35) 10-40019111
31 NUT, (M5) Stainless Steel 11-400211
- GASKET SET 27-41499A88
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02
1 CARBURETOR, (WMC-54A) 1390-817405T20 1390-817405T12, 1390-817405A12, 1390-817405A10
1 CARBURETOR, (WMC-52A) 1392-823907T12 1392-823907T 9
1 CARBURETOR, (WMC-56A) 1392-823907T13 1392-823907T 6
2 VALVE, Throttle Comment: (WMC-54A) 1395-96461
2 VALVE, Throttle Comment: (WMC-52A/56A) 815133
3 SHAFT, Throttle 1395-96951
4 SCREW 1395-804997
5 SPRING 1395-804996
6 VALVE, Inlet Needle 1395-803861 1395-879194048, 1395-9855
7 JET, (.080) Comment: (WMC-54A) 1395-6201
7 JET, (.046) Comment: (WMC-52A/56A) 1399-5317
8 PLUG 1395-9171
9 SHAFT, Choke 1395-8113541
10 LEVER, Choke 1395-811805 817406
11 BODY 15827A1
12 SCREW 1395-9643
13 COVER, Fuel Pump 1395-96371
14 VALVE, Choke 1395-811806 1395-811355
15 GASKET/DIAPHRAGM KIT 1395-97611
16 REPAIR KIT 1395-8237072
17 PLATE 1395-9699
18 SCREW, Bowl Drain 1395-811360
19 SCREW 1395-9696
20 GASKET, Carburetor 27-192061
21 DIAPHRAGM/GASKET 1395-9635
22 GASKET 1395-9633
23 SHAFT F10064
24 LEVER, Float 1395-824401
25 GASKET 27-44426
26 BOWL, Fuel 1395-811353
27 FLOAT 1395-91691
28 SCREW, (#6-32 x .187) 1395-5902
29 LINK, Choke 817425
30 SCREW, (M5 x 35) 10-40019111
31 NUT, (M5) Stainless Steel 11-400211
- GASKET SET 27-41499A88
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02

Clamp Bracket Assembly

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Below is the parts list for Mercury 20 (2 CYL.) Clamp Bracket Assembly:

Mercury 20 (2 CYL.) Clamp Bracket Assembly Diagram
Position No. Part Name OEM Number Supersedes
1 BRACKET ASSEMBLY, Transom Comment: (Storboard) (Black) 1497-8796A7
2 BRACKET ASSEMBLY, Transom Comment: (Port) (Black) 1497-8794A9
3 THUMB SCREW ASSEMBLY, (16 mm) 10-92767A3
4 NOT SOLD SEPARATE, Rivet NSS
5 NOT SOLD SEPARATE, Handle NSS
6 SHOULDER SCREW, Hex 10-768042
7 WASHER 12-73719
8 NUT, (.250-28) Stainless Steel 11-826709109 11-33825, 11-35045
9 NUT, (.875) 11-93164
10 SCREW, (M6 x 40) 10-4000333
11 HANDLE 41042
12 SPACER 23-818538
13 WASHER, Nylon 12-71421
14 TILT TUBE 8M0035075 883068, 41171
15 WASHER, Nylon 12-71421
16 DECAL, Co-Pilot 37-8237011
17 PIN ASSEMBLY, Tilt 17-56373A2
18 SPRING 24-92995
19 SCREW, (M6 x 40) 10-4000333
20 NUT, (.875) 11-93164
21 CLIP 54-8M0085928 54-30954
22 SCREW, (.312-18 x 3.500) Stainless Steel 10-814945 F1417
23 WASHER 12-67981
24 NUT, (.312) 11-815848
25 NUT, (.250-28) Stainless Steel 11-826709109 11-33825, 11-35045
26 SCREW, (.250-28 x 1.00) 10-41523
27 LEVER, Starboard Side 96965
28 NUT, (.250-28) Stainless Steel 11-826709109 11-33825, 11-35045
29 SPRING 24-44581
30 SCREW, (.250-28 x 1.75) 10-41524
31 SCREW, (.250-28 x 1.75) 10-41524
32 WAVE WASHER 13-31030
33 NUT, (.250-28) Stainless Steel 11-826709109 11-33825, 11-35045
34 STRAP, Port Side 90901
35 SCREW, (.250-28 x 1.00) 10-41523
1 BRACKET ASSEMBLY, Transom Comment: (Storboard) (Black) 1497-8796A7
2 BRACKET ASSEMBLY, Transom Comment: (Port) (Black) 1497-8794A9
3 THUMB SCREW ASSEMBLY, (16 mm) 10-92767A3
4 NOT SOLD SEPARATE, Rivet NSS
5 NOT SOLD SEPARATE, Handle NSS
6 SHOULDER SCREW, Hex 10-768042
7 WASHER 12-73719
8 NUT, (.250-28) Stainless Steel 11-826709109 11-33825, 11-35045
9 NUT, (.875) 11-93164
10 SCREW, (M6 x 40) 10-4000333
11 HANDLE 41042
12 SPACER 23-818538
13 WASHER, Nylon 12-71421
14 TILT TUBE 8M0035075 883068, 41171
15 WASHER, Nylon 12-71421
16 DECAL, Co-Pilot 37-8237011
17 PIN ASSEMBLY, Tilt 17-56373A2
18 SPRING 24-92995
19 SCREW, (M6 x 40) 10-4000333
20 NUT, (.875) 11-93164
21 CLIP 54-8M0085928 54-30954
22 SCREW, (.312-18 x 3.500) Stainless Steel 10-814945 F1417
23 WASHER 12-67981
24 NUT, (.312) 11-815848
25 NUT, (.250-28) Stainless Steel 11-826709109 11-33825, 11-35045
26 SCREW, (.250-28 x 1.00) 10-41523
27 LEVER, Starboard Side 96965
28 NUT, (.250-28) Stainless Steel 11-826709109 11-33825, 11-35045
29 SPRING 24-44581
30 SCREW, (.250-28 x 1.75) 10-41524
31 SCREW, (.250-28 x 1.75) 10-41524
32 WAVE WASHER 13-31030
33 NUT, (.250-28) Stainless Steel 11-826709109 11-33825, 11-35045
34 STRAP, Port Side 90901
35 SCREW, (.250-28 x 1.00) 10-41523

Crankshaft, Pistons and Flywheel

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Below is the parts list for Mercury 20 (2 CYL.) Crankshaft, Pistons and Flywheel:

Mercury 20 (2 CYL.) Crankshaft, Pistons and Flywheel Diagram
Position No. Part Name OEM Number Supersedes
1 SCREW ASSEMBLY Comment: SN# 0G845347/0P038443 & Below 10-97359A1
1 SCREW, (M12 x 25) Comment: SN# 0G845348/0P038444 & Up 10-40001248
2 WASHER 12-86496
3 FLYWHEEL Comment: (Non-Commercial) 258-859232T14 258-859232T10, 258-818354T12 (Non-Commercial)
3 FLYWHEEL Comment: (Commercial) 258-859232T13 258-818354T10 (Commercial)
4 NOT SOLD SEPARATE, Decal-Warning NSS
5 NOT SOLD SEPARATE, Decal-Warning NSS
6 RING GEAR Comment: (Electric) 43-99301
7 SCREW, (M5 x 13) Comment: (Electric) 10-88190313
8 SEAL, Oil 26-859741
9 BEARING, Roller - Upper 31-85114T
10 KEY, Woodruff 28-20094
11 CRANKSHAFT ASSEMBLY 464-8978T2
12 WEAR SLEEVE 822445A1
13 NOT SOLD SEPARATE, O-Ring NSS
14 SEAL, Oil, Lower 26-85107
15 BEARING, Roller - Lower 31-85113T
16 CONNECTING ROD ASSEMBLY 630-8835A4
17 SCREW, (.250-28 Special) 10-91012
18 BEARING ASSEMBLY, Roller 31-879877A1
19 NOT SOLD SEPARATE, Roller NSS
20 BEARING, Needle 29-98295
21 BEARING 12-8M0012294 42025
22 PISTON ASSEMBLY Comment: (Standard) 767-879878T5
22 PISTON ASSEMBLY Comment: (Seapro/Marathon-Chrome Bore) SN# 0T409000/0P153500 & Up 767-9104T19
22 PISTON ASSEMBLY Comment: (.030 Oversize) 767-879878A6
23 LOCK RING, Piston Pin 40-828119 40-47276
24 RING SET, Piston Comment: (Standard) 39-827491A12 39-18652A12 (Standard)
24 RING SET, Piston Comment: (.030 Oversize) 39-18652A2
25 NOT SOLD SEPARATE, Piston Ring NSS
26 BEARING ASSEMBLY, Center Main 86992A5
27 NOT SOLD SEPARATE, Bearing NSS
28 NOT SOLD SEPARATE, Thrust Washer NSS
29 NOT SOLD SEPARATE, Thrust Washer NSS
30 NOT SOLD SEPARATE, Needle Roller NSS
31 NOT SOLD SEPARATE, Thrust Washer NSS
32 NOT SOLD SEPARATE, Needle Roller NSS
33 NOT SOLD SEPARATE, Thrust Washer NSS
33 NOT SOLD SEPARATE, Thrust Washer NSS
- GASKET SET 27-41499A88
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02
1 SCREW ASSEMBLY Comment: SN# 0G845347/0P038443 & Below 10-97359A1
1 SCREW, (M12 x 25) Comment: SN# 0G845348/0P038444 & Up 10-40001248
2 WASHER 12-86496
3 FLYWHEEL Comment: (Non-Commercial) 258-859232T14 258-859232T10, 258-818354T12 (Non-Commercial)
3 FLYWHEEL Comment: (Commercial) 258-859232T13 258-818354T10 (Commercial)
4 NOT SOLD SEPARATE, Decal-Warning NSS
5 NOT SOLD SEPARATE, Decal-Warning NSS
6 RING GEAR Comment: (Electric) 43-99301
7 SCREW, (M5 x 13) Comment: (Electric) 10-88190313
8 SEAL, Oil 26-859741
9 BEARING, Roller - Upper 31-85114T
10 KEY, Woodruff 28-20094
11 CRANKSHAFT ASSEMBLY 464-8978T2
12 WEAR SLEEVE 822445A1
13 NOT SOLD SEPARATE, O-Ring NSS
14 SEAL, Oil, Lower 26-85107
15 BEARING, Roller - Lower 31-85113T
16 CONNECTING ROD ASSEMBLY 630-8835A4
17 SCREW, (.250-28 Special) 10-91012
18 BEARING ASSEMBLY, Roller 31-879877A1
19 NOT SOLD SEPARATE, Roller NSS
20 BEARING, Needle 29-98295
21 BEARING 12-8M0012294 42025
22 PISTON ASSEMBLY Comment: (Standard) 767-879878T5
22 PISTON ASSEMBLY Comment: (Seapro/Marathon-Chrome Bore) SN# 0T409000/0P153500 & Up 767-9104T19
22 PISTON ASSEMBLY Comment: (.030 Oversize) 767-879878A6
23 LOCK RING, Piston Pin 40-828119 40-47276
24 RING SET, Piston Comment: (Standard) 39-827491A12 39-18652A12 (Standard)
24 RING SET, Piston Comment: (.030 Oversize) 39-18652A2
25 NOT SOLD SEPARATE, Piston Ring NSS
26 BEARING ASSEMBLY, Center Main 86992A5
27 NOT SOLD SEPARATE, Bearing NSS
28 NOT SOLD SEPARATE, Thrust Washer NSS
29 NOT SOLD SEPARATE, Thrust Washer NSS
30 NOT SOLD SEPARATE, Needle Roller NSS
31 NOT SOLD SEPARATE, Thrust Washer NSS
32 NOT SOLD SEPARATE, Needle Roller NSS
33 NOT SOLD SEPARATE, Thrust Washer NSS
33 NOT SOLD SEPARATE, Thrust Washer NSS
- GASKET SET 27-41499A88
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02

Cylinder Block and Covers

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Below is the parts list for Mercury 20 (2 CYL.) Cylinder Block and Covers:

Mercury 20 (2 CYL.) Cylinder Block and Covers Diagram
Position No. Part Name OEM Number Supersedes
1 CYLINDER BLOCK 872-9533T40
2 FITTING (45 Degrees) 22-15133
3 PIN, Dowel 17-85171
4 SCREW, (M10 x 60) 10-40001209
5 STUD 16-429173
6 NOT SOLD SEPARATE, Decal-Serialization NSS
7 SCREW, (M5 x 35) 10-40019111
8 NUT, (M5) Stainless Steel 11-400211
9 GASKET 27-414172
10 REED BLOCK 14112T
11 GASKET 27-414181
12 PLATE ASSEMBLY, Carb Adaptor 41420A3
13 CHECK VALVE 21-889781 21-14912 4
14 SCREW, (M5 x 20) Stainless Steel 10-40011108
15 TUBING, (20.00 Feet Bulk) (Cut to 13.25 Inch Length) 32-892024122 32-99130122
16 O-RING, (2.362 x .103) 25-822370 25-30503, 25-F522555
17 COVER 14408
18 SCREW, (M5 x 16) Stainless Steel 10-40011107
19 J CLIP Comment: (Quanity of 2 on Remote Control) 54-8M0024808
20 SCREW, (M5 x 16) Stainless Steel 10-40011107
21 COVER 14406
22 O-RING 25-86391
23 GASKET 27-863895 27-86389 3
24 COVER ASSEMBLY 1028-8282A1
25 NOT SOLD SEPARATE, Cover NSS
26 PLUG, Pipe (.125-27) Brass Comment: (Electric RC) 22-390721
27 SCREW, (M6 x 30) 10-4000331
28 FITTING 22-94848
29 HOSE, (57.00 Inches Bulk) (Cut to 8.00 Inch Length) 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
30 FITTING, Elbow 90 Degree (.125-27 x .250) Nylon 22-996642
31 SCREW, (M6 x 40) 10-4000333
32 COVER 143171
33 GASKET 27-14318005
34 GASKET 27-8M0204714
35 THERMOSTAT 14586
36 O-RING, (2.362 x .103) 25-822370 25-30503, 25-F522555
37 COVER Comment: SN# 0P042112 & Up 144071
37 COVER Comment: SN# 0P042111 & Below 144071
38 STRAP 54-825404
39 SCREW, (M5 x 16) Stainless Steel 10-40011107
40 GASKET, Exhaust Manifold 27-892158 27-41475 8
41 MANIFOLD, Exhaust 92329F03
42 GASKET, Exhaust Manifold Cover 27-892157 27-41499 5
43 COVER 923301
44 SCREW, (M6 x 40) 10-4000333
45 STUD, (M6 x 50) Comment: (Seapro/Marathon) SN# 0G845348/0P038444 & Up 16-8M0034424 16-816194 4 (Seapro/Marathon) SN# 0G845348/0P038444 & Up
45 STUD, (M6 x 50) Comment: (Seapro/Marathon) SN# 0G845347/0P038443 & Below 16-8M0034424 16-816194 4 (Seapro/Marathon) SN# 0G845347/0P038443 & Below
45 STUD, (M6 x 32) Comment: (Seapro/Marathon) SN# 0G845347/0P038443 & Below 16-8161945
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02
- GASKET SET 27-41499A88
1 CYLINDER BLOCK 872-9533T40
2 FITTING (45 Degrees) 22-15133
3 PIN, Dowel 17-85171
4 SCREW, (M10 x 60) 10-40001209
5 STUD 16-429173
6 NOT SOLD SEPARATE, Decal-Serialization NSS
7 SCREW, (M5 x 35) 10-40019111
8 NUT, (M5) Stainless Steel 11-400211
9 GASKET 27-414172
10 REED BLOCK 14112T
11 GASKET 27-414181
12 PLATE ASSEMBLY, Carb Adaptor 41420A3
13 CHECK VALVE 21-889781 21-14912 4
14 SCREW, (M5 x 20) Stainless Steel 10-40011108
15 TUBING, (20.00 Feet Bulk) (Cut to 13.25 Inch Length) 32-892024122 32-99130122
16 O-RING, (2.362 x .103) 25-822370 25-30503, 25-F522555
17 COVER 14408
18 SCREW, (M5 x 16) Stainless Steel 10-40011107
19 J CLIP Comment: (Quanity of 2 on Remote Control) 54-8M0024808
20 SCREW, (M5 x 16) Stainless Steel 10-40011107
21 COVER 14406
22 O-RING 25-86391
23 GASKET 27-863895 27-86389 3
24 COVER ASSEMBLY 1028-8282A1
25 NOT SOLD SEPARATE, Cover NSS
26 PLUG, Pipe (.125-27) Brass Comment: (Electric RC) 22-390721
27 SCREW, (M6 x 30) 10-4000331
28 FITTING 22-94848
29 HOSE, (57.00 Inches Bulk) (Cut to 8.00 Inch Length) 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
30 FITTING, Elbow 90 Degree (.125-27 x .250) Nylon 22-996642
31 SCREW, (M6 x 40) 10-4000333
32 COVER 143171
33 GASKET 27-14318005
34 GASKET 27-8M0204714
35 THERMOSTAT 14586
36 O-RING, (2.362 x .103) 25-822370 25-30503, 25-F522555
37 COVER Comment: SN# 0P042112 & Up 144071
37 COVER Comment: SN# 0P042111 & Below 144071
38 STRAP 54-825404
39 SCREW, (M5 x 16) Stainless Steel 10-40011107
40 GASKET, Exhaust Manifold 27-892158 27-41475 8
41 MANIFOLD, Exhaust 92329F03
42 GASKET, Exhaust Manifold Cover 27-892157 27-41499 5
43 COVER 923301
44 SCREW, (M6 x 40) 10-4000333
45 STUD, (M6 x 50) Comment: (Seapro/Marathon) SN# 0G845348/0P038444 & Up 16-8M0034424 16-816194 4 (Seapro/Marathon) SN# 0G845348/0P038444 & Up
45 STUD, (M6 x 50) Comment: (Seapro/Marathon) SN# 0G845347/0P038443 & Below 16-8M0034424 16-816194 4 (Seapro/Marathon) SN# 0G845347/0P038443 & Below
45 STUD, (M6 x 32) Comment: (Seapro/Marathon) SN# 0G845347/0P038443 & Below 16-8161945
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02
- GASKET SET 27-41499A88

Driveshaft Housing Assembly

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Below is the parts list for Mercury 20 (2 CYL.) Driveshaft Housing Assembly:

Mercury 20 (2 CYL.) Driveshaft Housing Assembly Diagram
Position No. Part Name OEM Number Supersedes
1 SEAL, Adaptor Plate 158664
2 ADAPTOR PLATE ASSEMBLY 99702A7
3 GASKET, Adaptor Plate 27-41670006
4 SCREW, (M6 x 20) Stainless Steel 10-8M0204741
5 BRACKET 41211
6 NOT SOLD SEPARATE, Exhaust Tube NSS
7 HOUSING ASSEMBLY 96248A1
8 SPACER 23-889715 23-96247
9 SEAL 26-25329
10 SCREW, (M5 x 16) Stainless Steel 10-40011107
11 TUBE, Water Comment: (Short Shaft) 32-85116
11 TUBE, Water Comment: (Long Shaft) 32-86292
12 HOUSING ASSEMBLY, Driveshaft Comment: (Black-Short Shaft) 1588-9097T5
12 HOUSING ASSEMBLY, Driveshaft Comment: (Black-Long Shaft) 1588-9098T5
13 GASKET, Drive Shaft Housing 27-433374
14 GASKET 27-14621
15 COVER 14534
16 SCREW, (.250-20 x 1.25) 10-14742
17 SCREW, (M8 x 70) 10-1993870
18 WASHER 12-4002317
19 SCREW, (M6 x 20) Stainless Steel 10-8M0204741
20 TRIM COVER Comment: (Black) 17258T
- GASKET SET 27-41499A88
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02
1 SEAL, Adaptor Plate 158664
2 ADAPTOR PLATE ASSEMBLY 99702A7
3 GASKET, Adaptor Plate 27-41670006
4 SCREW, (M6 x 20) Stainless Steel 10-8M0204741
5 BRACKET 41211
6 NOT SOLD SEPARATE, Exhaust Tube NSS
7 HOUSING ASSEMBLY 96248A1
8 SPACER 23-889715 23-96247
9 SEAL 26-25329
10 SCREW, (M5 x 16) Stainless Steel 10-40011107
11 TUBE, Water Comment: (Short Shaft) 32-85116
11 TUBE, Water Comment: (Long Shaft) 32-86292
12 HOUSING ASSEMBLY, Driveshaft Comment: (Black-Short Shaft) 1588-9097T5
12 HOUSING ASSEMBLY, Driveshaft Comment: (Black-Long Shaft) 1588-9098T5
13 GASKET, Drive Shaft Housing 27-433374
14 GASKET 27-14621
15 COVER 14534
16 SCREW, (.250-20 x 1.25) 10-14742
17 SCREW, (M8 x 70) 10-1993870
18 WASHER 12-4002317
19 SCREW, (M6 x 20) Stainless Steel 10-8M0204741
20 TRIM COVER Comment: (Black) 17258T
- GASKET SET 27-41499A88
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02

Electric Start Components

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Below is the parts list for Mercury 20 (2 CYL.) Electric Start Components:

Mercury 20 (2 CYL.) Electric Start Components Diagram
Position No. Part Name OEM Number Supersedes
1 RECTIFIER Comment: SN# USA-0T409000/BEL-0P153500 & Up 853358T1
2 SCREW, (#10-16 x 1.25) Comment: SN# USA-0T409000/BEL-0P153500 & Up 10-883075
3 HARNESS ASSEMBLY, Adaptor 84-11149A54
4 SOLENOID ASSEMBLY, Starter 89-8M0185147
5 BUSHING 23-8M0214955
6 GROMMET 25-818967
7 WIRE ASSEMBLY 84-88809A5
8 SCREW, (M6 x 25) Stainless Steel 10-40011129
9 NUT, Brass 8-32,11-26419
10 NUT, (.250-20) 11-64015
11 INSULATOR 85-97861
12 NUT, (.250-20) 11-64015
13 RETAINER 92753
14 HARNESS ASSEMBLY, Engine Wiring Comment: SN# USA-0T409000/BEL-0P153500 & Up 84-92436A9
15 FUSE, 20 Ampere 88-8M0207796
16 STARTER MOTOR ASSEMBLY 50-8M0033984 50-893889T, 50-90983T 1
17 THRU BOLT 10-96566
18 END CAP, With Brushes 96564T
19 ARMATURE 96565
20 END CAP 96563T
21 DRIVE 96562
22 DRIVE KIT 96561
23 SCREW, (M8 x 55) 10-421251
24 CLIP Comment: (Local Electric) 824918
25 SWITCH ASSEMBLY, Start/Stop Comment: (Local Electric) 87-823609A6
26 HOUSING Comment: (Local Electric) 889734 823917 2 (Local Electric)
27 CABLE ASSEMBLY, Battery - Black 84-88439A28
28 CABLE ASSEMBLY, Red - Battery 84-88439A27
29 MODULE KIT, Tachometer Adaptor 17461T11
30 PLUG, Male 13541
31 TIE STRAP, (8.00 Inches) 54-816311T 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
32 RECTIFIER Comment: SN# USA-0T408999/BEL-0P153499 & Below 8M0058226 816770T, 816770, 62351A 1, 83-70350A 1, 83-70350A 3 SN# USA-0T408999/BEL-0P153499 & Below
33 SCREW, (#10-16 x .625) Stainless Steel Comment: SN# USA-0T408999/BEL-0P153499 & Below 10-48409
34 NUT, Brass Comment: SN# USA-0T408999/BEL-0P153499 & Below 10-32,11-45076
35 NUT, Brass Comment: SN# USA-0T408999/BEL-0P153499 & Below 10-32,11-45076
36 CABLE ASSEMBLY, Red Comment: SN# USA-0T408999/BEL-0P153499 & Below 84-79139A20
37 HARNESS ASSEMBLY Comment: SN# USA-0T408999/BEL-0P153499 & Below 84-92436A5
1 RECTIFIER Comment: SN# USA-0T409000/BEL-0P153500 & Up 853358T1
2 SCREW, (#10-16 x 1.25) Comment: SN# USA-0T409000/BEL-0P153500 & Up 10-883075
3 HARNESS ASSEMBLY, Adaptor 84-11149A54
4 SOLENOID ASSEMBLY, Starter 89-8M0185147
5 BUSHING 23-8M0214955
6 GROMMET 25-818967
7 WIRE ASSEMBLY 84-88809A5
8 SCREW, (M6 x 25) Stainless Steel 10-40011129
9 NUT, Brass 8-32,11-26419
10 NUT, (.250-20) 11-64015
11 INSULATOR 85-97861
12 NUT, (.250-20) 11-64015
13 RETAINER 92753
14 HARNESS ASSEMBLY, Engine Wiring Comment: SN# USA-0T409000/BEL-0P153500 & Up 84-92436A9
15 FUSE, 20 Ampere 88-8M0207796
16 STARTER MOTOR ASSEMBLY 50-8M0033984 50-893889T, 50-90983T 1
17 THRU BOLT 10-96566
18 END CAP, With Brushes 96564T
19 ARMATURE 96565
20 END CAP 96563T
21 DRIVE 96562
22 DRIVE KIT 96561
23 SCREW, (M8 x 55) 10-421251
24 CLIP Comment: (Local Electric) 824918
25 SWITCH ASSEMBLY, Start/Stop Comment: (Local Electric) 87-823609A6
26 HOUSING Comment: (Local Electric) 889734 823917 2 (Local Electric)
27 CABLE ASSEMBLY, Battery - Black 84-88439A28
28 CABLE ASSEMBLY, Red - Battery 84-88439A27
29 MODULE KIT, Tachometer Adaptor 17461T11
30 PLUG, Male 13541
31 TIE STRAP, (8.00 Inches) 54-816311T 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
32 RECTIFIER Comment: SN# USA-0T408999/BEL-0P153499 & Below 8M0058226 816770T, 816770, 62351A 1, 83-70350A 1, 83-70350A 3 SN# USA-0T408999/BEL-0P153499 & Below
33 SCREW, (#10-16 x .625) Stainless Steel Comment: SN# USA-0T408999/BEL-0P153499 & Below 10-48409
34 NUT, Brass Comment: SN# USA-0T408999/BEL-0P153499 & Below 10-32,11-45076
35 NUT, Brass Comment: SN# USA-0T408999/BEL-0P153499 & Below 10-32,11-45076
36 CABLE ASSEMBLY, Red Comment: SN# USA-0T408999/BEL-0P153499 & Below 84-79139A20
37 HARNESS ASSEMBLY Comment: SN# USA-0T408999/BEL-0P153499 & Below 84-92436A5

Fuel System Components

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Below is the parts list for Mercury 20 (2 CYL.) Fuel System Components:

Mercury 20 (2 CYL.) Fuel System Components Diagram
Position No. Part Name OEM Number Supersedes
1 FILTER ASSEMBLY, Fuel 35-889527A07 35-8M0111436, 35-87946A15
2 BALL, Fuel Filter 858731 91935
3 FILTER KIT, Fuel 35-87946Q04
4 SEAL 25-897536 25-98277
5 HOSE, (57.00 Inches Bulk) (Cut to 7.50 Inch Length) 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
6 HOSE, (57.00 Inches Bulk) (Cut to 5.50 Inch Length) 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
7 TIE STRAP, (8.00 Inches) 54-816311T 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
8 WIRE, Fast Idle 127332
9 SPRING, Tension 24-11277
10 LEVER, Fast Idle 128053
11 BRACKET, Primer 12803
12 COVER, Carburetor 174421
13 PLUG 19-47579
14 SCREW, (M5 x 30) Stainless Steel 10-40011110
15 SCREW, (#8-32 x .500) Stainless Steel 10-79965
16 SCREW, (#6-32 x .750) 10-12110
17 NUT 11-821979 11-97877
18 LEVER, Primer 112731
19 CAM BLOCK 11280
20 CLIP, Retaining 53-11278
21 BEZEL, Choke 172291
22 PRIMER KNOB 128022
23 CARBURETOR, (WMC-64) (20 Hp) 1392-823907T12 1392-823907T 9
23 CARBURETOR, (WMC-65) (25 Hp/Jet 20 1390-817405T23 1390-817405T19, 1390-817405T16, 1390-817405T11, 1390-817405A11, 1390-817405A 9
24 NUT, (M8) Stainless Steel 11-400213
25 GASKET, Carburetor 27-192061
26 CONNECTOR KIT, Fuel 22-15781A9
27 SCREW, (M6 x 25) 10-8M0204707
28 GROMMET 25-18202
- GASKET SET 27-41499A88
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02
1 FILTER ASSEMBLY, Fuel 35-889527A07 35-8M0111436, 35-87946A15
2 BALL, Fuel Filter 858731 91935
3 FILTER KIT, Fuel 35-87946Q04
4 SEAL 25-897536 25-98277
5 HOSE, (57.00 Inches Bulk) (Cut to 7.50 Inch Length) 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
6 HOSE, (57.00 Inches Bulk) (Cut to 5.50 Inch Length) 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
7 TIE STRAP, (8.00 Inches) 54-816311T 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
8 WIRE, Fast Idle 127332
9 SPRING, Tension 24-11277
10 LEVER, Fast Idle 128053
11 BRACKET, Primer 12803
12 COVER, Carburetor 174421
13 PLUG 19-47579
14 SCREW, (M5 x 30) Stainless Steel 10-40011110
15 SCREW, (#8-32 x .500) Stainless Steel 10-79965
16 SCREW, (#6-32 x .750) 10-12110
17 NUT 11-821979 11-97877
18 LEVER, Primer 112731
19 CAM BLOCK 11280
20 CLIP, Retaining 53-11278
21 BEZEL, Choke 172291
22 PRIMER KNOB 128022
23 CARBURETOR, (WMC-64) (20 Hp) 1392-823907T12 1392-823907T 9
23 CARBURETOR, (WMC-65) (25 Hp/Jet 20 1390-817405T23 1390-817405T19, 1390-817405T16, 1390-817405T11, 1390-817405A11, 1390-817405A 9
24 NUT, (M8) Stainless Steel 11-400213
25 GASKET, Carburetor 27-192061
26 CONNECTOR KIT, Fuel 22-15781A9
27 SCREW, (M6 x 25) 10-8M0204707
28 GROMMET 25-18202
- GASKET SET 27-41499A88
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02

Fuel System Components(Commercial Engines)

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Below is the parts list for Mercury 20 (2 CYL.) Fuel System Components(Commercial Engines):

Mercury 20 (2 CYL.) Fuel System Components(Commercial Engines) Diagram
Position No. Part Name OEM Number Supersedes
1 FILTER ASSEMBLY, Fuel 35-889527A07 35-8M0111436, 35-87946A15
2 BALL, Fuel Filter 858731 91935
3 FILTER KIT, Fuel 35-87946Q04
4 SEAL 25-897536 25-98277
5 HOSE, (57.00 Inches Bulk) (Cut to 7.50 Inch Length) 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
6 HOSE, (57.00 Inches Bulk) (Cut to 5.50 Inch Length) 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
7 TIE STRAP, (8.00 Inches) 54-816311T 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
8 GROMMET 25-18202
9 CONNECTOR KIT, Fuel 22-15781A9
10 SCREW, (M6 x 25) 10-8M0204707
11 CLIP, Retaining 53-11278
12 INSERT, Choke Bezel 817426
13 BEZEL, Choke 172291
14 KNOB, Choke 817424
15 LINK, Choke 817425
16 COVER, Carburetor 174421
17 PLUG 19-47579
18 SCREW, (M5 x 30) Stainless Steel 10-40011110
19 INSERT 41750T
20 SCREW, (M5 x 16) Stainless Steel 10-40011107
21 STOP, Throttle 8243701
22 NUT, (M8) Stainless Steel 11-400213
23 CARBURETOR, (WMC-52A) 1392-823907T12 1392-823907T 9
23 CARBURETOR, (WMC-56A) 1392-823907T13 1392-823907T 6
23 CARBURETOR, (WMC-54A) 1390-817405T20 1390-817405T12, 1390-817405A12, 1390-817405A10
24 GASKET, Carburetor 27-192061
- GASKET SET 27-41499A88
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02
1 FILTER ASSEMBLY, Fuel 35-889527A07 35-8M0111436, 35-87946A15
2 BALL, Fuel Filter 858731 91935
3 FILTER KIT, Fuel 35-87946Q04
4 SEAL 25-897536 25-98277
5 HOSE, (57.00 Inches Bulk) (Cut to 7.50 Inch Length) 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
6 HOSE, (57.00 Inches Bulk) (Cut to 5.50 Inch Length) 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
7 TIE STRAP, (8.00 Inches) 54-816311T 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
8 GROMMET 25-18202
9 CONNECTOR KIT, Fuel 22-15781A9
10 SCREW, (M6 x 25) 10-8M0204707
11 CLIP, Retaining 53-11278
12 INSERT, Choke Bezel 817426
13 BEZEL, Choke 172291
14 KNOB, Choke 817424
15 LINK, Choke 817425
16 COVER, Carburetor 174421
17 PLUG 19-47579
18 SCREW, (M5 x 30) Stainless Steel 10-40011110
19 INSERT 41750T
20 SCREW, (M5 x 16) Stainless Steel 10-40011107
21 STOP, Throttle 8243701
22 NUT, (M8) Stainless Steel 11-400213
23 CARBURETOR, (WMC-52A) 1392-823907T12 1392-823907T 9
23 CARBURETOR, (WMC-56A) 1392-823907T13 1392-823907T 6
23 CARBURETOR, (WMC-54A) 1390-817405T20 1390-817405T12, 1390-817405A12, 1390-817405A10
24 GASKET, Carburetor 27-192061
- GASKET SET 27-41499A88
- POWERHEAD ASSEMBLY 804946T02 804946R02, 804946T01, 804946T00, 804350T99, 90885T99, 883272T02

Gasket Set Components, Engine Overhaul

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Below is the parts list for Mercury 20 (2 CYL.) Gasket Set Components, Engine Overhaul:

Mercury 20 (2 CYL.) Gasket Set Components, Engine Overhaul Diagram
Position No. Part Name OEM Number Supersedes
- GASKET SET 27-41499A88
- GASKET, Carburetor 27-192061
- GASKET, Reed Block 27-414172
- GASKET, Carb Adaptor Plate 27-414181
- O-RING, (2.362 x .103), Transfer Cover Port 25-822370 25-30503, 25-F522555
- O-RING, Boost Port Cover 25-86391
- GASKET, Cylinder Head Cover 27-863895 27-86389 3
- GASKET, Thermostat Cover 27-14318005
- GASKET, Thermostat 27-8M0204714
- O-RING, (2.362 x .103), Transfer Port Cover 25-822370 25-30503, 25-F522555
- GASKET, Exhaust Manifold 27-892158 27-41475 8
- GASKET, Exhaust Manifold Cover 27-892157 27-41499 5
- WEAR SLEEVE, Crankshaft 822445A1
- NOT SOLD SEPARATE, O-Ring, Crankshaft Wear Sleeve NSS
- O-RING, Bushing Kit 25-86993
- GASKET, Drive Shaft Housing Adaptor Plate 27-41670006
- SEAL, Water Inlet Tube 26-25329
- GASKET, Drive Shaft Housing 27-433374
- GASKET, Idle Relief Cover 27-14621
- GASKET, Base Water Pump 27-993261
- O-RING, Water Pump 25-69202
- SEAL, Water Tube 26-85090001
- O-RING, Drive Shaft Rubber 25-86203
- O-RING, (.734 x .139), Shift Shaft (.734 x .139) 25-35276
- O-RING, (.239 x .174), Shift Shaft (.239 x .174) 25-85594
- O-RING, Propeller Shaft Outer Oil Seal 25-85549
- O-RING, Transfer Port Cover Comment: (Not Used In This Application) 25-26722
- GASKET, Exhaust Cover Comment: (Not Used In This Application) 27-414991
- GASKET, Head Cover Comment: (Not Used In This Application) 27-86389
- O-RING, Drive Shaft Rubber Comment: (Not Used In This Application) 25-86203
- GASKET, Carburetor Comment: (Not Used In This Application) 27-88004
- O-RING, Fuel Connector Comment: (Not Used In This Application) 25-16524
- O-RING, Seal Comment: (Not Used In This Application) 25-99691
- SEAL, Rubber, Reed Block Comment: (Not Used In This Application) 85977002
- GASKET SET 27-41499A88
- GASKET, Carburetor 27-192061
- GASKET, Reed Block 27-414172
- GASKET, Carb Adaptor Plate 27-414181
- O-RING, (2.362 x .103), Transfer Cover Port 25-822370 25-30503, 25-F522555
- O-RING, Boost Port Cover 25-86391
- GASKET, Cylinder Head Cover 27-863895 27-86389 3
- GASKET, Thermostat Cover 27-14318005
- GASKET, Thermostat 27-8M0204714
- O-RING, (2.362 x .103), Transfer Port Cover 25-822370 25-30503, 25-F522555
- GASKET, Exhaust Manifold 27-892158 27-41475 8
- GASKET, Exhaust Manifold Cover 27-892157 27-41499 5
- WEAR SLEEVE, Crankshaft 822445A1
- NOT SOLD SEPARATE, O-Ring, Crankshaft Wear Sleeve NSS
- O-RING, Bushing Kit 25-86993
- GASKET, Drive Shaft Housing Adaptor Plate 27-41670006
- SEAL, Water Inlet Tube 26-25329
- GASKET, Drive Shaft Housing 27-433374
- GASKET, Idle Relief Cover 27-14621
- GASKET, Base Water Pump 27-993261
- O-RING, Water Pump 25-69202
- SEAL, Water Tube 26-85090001
- O-RING, Drive Shaft Rubber 25-86203
- O-RING, (.734 x .139), Shift Shaft (.734 x .139) 25-35276
- O-RING, (.239 x .174), Shift Shaft (.239 x .174) 25-85594
- O-RING, Propeller Shaft Outer Oil Seal 25-85549
- O-RING, Transfer Port Cover Comment: (Not Used In This Application) 25-26722
- GASKET, Exhaust Cover Comment: (Not Used In This Application) 27-414991
- GASKET, Head Cover Comment: (Not Used In This Application) 27-86389
- O-RING, Drive Shaft Rubber Comment: (Not Used In This Application) 25-86203
- GASKET, Carburetor Comment: (Not Used In This Application) 27-88004
- O-RING, Fuel Connector Comment: (Not Used In This Application) 25-16524
- O-RING, Seal Comment: (Not Used In This Application) 25-99691
- SEAL, Rubber, Reed Block Comment: (Not Used In This Application) 85977002

Gear Housing(Driveshaft) (2.25:1 Gear Ratio)

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Below is the parts list for Mercury 20 (2 CYL.) Gear Housing(Driveshaft) (2.25:1 Gear Ratio):

Mercury 20 (2 CYL.) Gear Housing(Driveshaft) (2.25:1 Gear Ratio) Diagram
Position No. Part Name OEM Number Supersedes
- GEAR HOUSING ASSEMBLY Comment: (Short - Black) 1665-8669T26
- GEAR HOUSING ASSEMBLY Comment: (Long - Black) 1665-8669T28
1 GEAR HOUSING ASSEMBLY, Basic-Black Comment: (Black) 1600-8M0083538 1665-8669A21 (Black)
2 SLEEVE 41121
3 SEAL 26-99325
4 BEARING, Roller 31-41326
5 PIN, Dowel (.187 x .530) 17-8M0084726 17-85500
6 SCREW KIT, (.375-16 x .250) Drain 10-79953Q04
7 WASHER 12-191833
8 SCREEN, Water Inlet Port 35-41133
9 SCREW, (M5 x 40) 10-40031112
10 SCREW KIT, (.375-16 x .250) Drain 10-79953Q04
10 FITTING KIT, Magnetic, Plug Fill/Drain 22-8M0058389 22-67892A06
11 WASHER 12-191833
12 SCREEN 35-41134
13 NUT, (M5) Stainless Steel 11-401365
14 BEARING ASSEMBLY, Roller 31-98294A1
15 NOT SOLD SEPARATE, Cup NSS
16 SCREW, (.250-28 x .750) 10-49908
17 GEAR, Pinion (12 Teeth) 43-98302
18 GASKET 27-993261
19 FACE PLATE 85083
20 WASHER 12-866451
21 KEY 28-8M0214993
22 IMPELLER 47-8M0204712
23 WASHER 12-866451
24 O-RING 25-69202
25 PUMP ASSEMBLY, Water 46-99157A02
26 NOT SOLD SEPARATE, Insert NSS
27 SEAL 26-85090001
28 O-RING, Rubber 25-86203
29 SCREW, (M6 x 16) 10-8248324
30 WASHER, (.281 x .500 x .060) Stainless Steel 12-8M0204649
31 SHIFT SHAFT Comment: (Short Shaft) 67-851263
31 SHIFT SHAFT Comment: (Long Shaft) 862933
32 DRIVESHAFT Comment: (Short Shaft) 45-99199
32 DRIVESHAFT Comment: (Long Shaft) 45-99198
33 BOOT 85552001
34 RETAINER 93878
35 O-RING, (.734 x .139) Comment: (.734 x .139) 25-35276
36 O-RING, (.239 x .174) Comment: (.239 x .174) 25-85594
37 WASHER 12-85091
38 SPRING 24-93007
39 WASHER, (.281 x .500 x .060) Stainless Steel 12-8M0204649
40 PIN, (.078 x .437) 17-85593
41 SHIFT CAM 85562A2
42 PIN, Drive 17-85096
43 SLEEVE 23-29804T
- GASKET SET 27-41499A88
- SEAL KIT 26-85090A2
- PUMP KIT, Water 46-99157T2
- GEAR HOUSING ASSEMBLY Comment: (Short - Black) 1665-8669T26
- GEAR HOUSING ASSEMBLY Comment: (Long - Black) 1665-8669T28
1 GEAR HOUSING ASSEMBLY, Basic-Black Comment: (Black) 1600-8M0083538 1665-8669A21 (Black)
2 SLEEVE 41121
3 SEAL 26-99325
4 BEARING, Roller 31-41326
5 PIN, Dowel (.187 x .530) 17-8M0084726 17-85500
6 SCREW KIT, (.375-16 x .250) Drain 10-79953Q04
7 WASHER 12-191833
8 SCREEN, Water Inlet Port 35-41133
9 SCREW, (M5 x 40) 10-40031112
10 SCREW KIT, (.375-16 x .250) Drain 10-79953Q04
10 FITTING KIT, Magnetic, Plug Fill/Drain 22-8M0058389 22-67892A06
11 WASHER 12-191833
12 SCREEN 35-41134
13 NUT, (M5) Stainless Steel 11-401365
14 BEARING ASSEMBLY, Roller 31-98294A1
15 NOT SOLD SEPARATE, Cup NSS
16 SCREW, (.250-28 x .750) 10-49908
17 GEAR, Pinion (12 Teeth) 43-98302
18 GASKET 27-993261
19 FACE PLATE 85083
20 WASHER 12-866451
21 KEY 28-8M0214993
22 IMPELLER 47-8M0204712
23 WASHER 12-866451
24 O-RING 25-69202
25 PUMP ASSEMBLY, Water 46-99157A02
26 NOT SOLD SEPARATE, Insert NSS
27 SEAL 26-85090001
28 O-RING, Rubber 25-86203
29 SCREW, (M6 x 16) 10-8248324
30 WASHER, (.281 x .500 x .060) Stainless Steel 12-8M0204649
31 SHIFT SHAFT Comment: (Short Shaft) 67-851263
31 SHIFT SHAFT Comment: (Long Shaft) 862933
32 DRIVESHAFT Comment: (Short Shaft) 45-99199
32 DRIVESHAFT Comment: (Long Shaft) 45-99198
33 BOOT 85552001
34 RETAINER 93878
35 O-RING, (.734 x .139) Comment: (.734 x .139) 25-35276
36 O-RING, (.239 x .174) Comment: (.239 x .174) 25-85594
37 WASHER 12-85091
38 SPRING 24-93007
39 WASHER, (.281 x .500 x .060) Stainless Steel 12-8M0204649
40 PIN, (.078 x .437) 17-85593
41 SHIFT CAM 85562A2
42 PIN, Drive 17-85096
43 SLEEVE 23-29804T
- GASKET SET 27-41499A88
- SEAL KIT 26-85090A2
- PUMP KIT, Water 46-99157T2

Gear Housing, Propeller Shaft - 2.25:1 Gear Ratio

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Below is the parts list for Mercury 20 (2 CYL.) Gear Housing, Propeller Shaft - 2.25:1 Gear Ratio:

Mercury 20 (2 CYL.) Gear Housing, Propeller Shaft - 2.25:1 Gear Ratio Diagram
Position No. Part Name OEM Number Supersedes
- GEAR HOUSING ASSEMBLY Comment: (Short - Black) 1665-8669T26
- GEAR HOUSING ASSEMBLY Comment: (Long - Black) 1665-8669T28
1 GEAR HOUSING ASSEMBLY, Basic-Black Comment: (Black) 1600-8M0083538 1665-8669A21 (Black)
43 TRIM TAB 97-98432Q6
44 SCREW, (M8 x 30) 10-4000354
45 WASHER, (.323 x .563 x .063) Stainless Steel 12-8M0042642 12-70132
46 WASHER 12-43328
47 SCREW, (M10 x 35) Stainless Steel 10-87810178
48 BEARING ASSEMBLY, Roller 31-8M0103470 31-99328A 1
49 NOT SOLD SEPARATE, Cup NSS
50 GEAR, Forward (27 Teeth) 43-44213T1
51 BUSHING 23-85557
52 FOLLOWER, Cam 85094
53 SPRING 24-38114
54 CLUTCH 52-41040T1
55 PIN 17-8M0020999 17-85093
56 SPRING 24-88680
57 PROPELLER SHAFT 44-8166231
58 GEAR, Reverse (27 Teeth) 43-99542T
59 CARRIER ASSEMBLY, Bearing 99906T1
60 BEARING, Roller 31-21739
61 SEAL, Oil, Inner 26-41132
62 SEAL, Oil, Outer 26-41131
63 O-RING 25-85549
64 PLATE 87293
65 SCREW, (M5 x 16) 10-90883
66 THRUST HUB ASSEMBLY 858498 8M0027793, 85128A 1
67 PROPELLER 48-19640A40
67 PROPELLER Comment: (Sea Pro/Marathon 15/25/Super 15) 48-19638A40
68 PROP NUT 11-88228
68 PROP NUT Comment: (Sea Pro/Marathon 15/25/Super 15) 11-4011912
- GASKET SET 27-41499A88
- SEAL KIT 26-85090A2
- GEAR HOUSING ASSEMBLY Comment: (Short - Black) 1665-8669T26
- GEAR HOUSING ASSEMBLY Comment: (Long - Black) 1665-8669T28
1 GEAR HOUSING ASSEMBLY, Basic-Black Comment: (Black) 1600-8M0083538 1665-8669A21 (Black)
43 TRIM TAB 97-98432Q6
44 SCREW, (M8 x 30) 10-4000354
45 WASHER, (.323 x .563 x .063) Stainless Steel 12-8M0042642 12-70132
46 WASHER 12-43328
47 SCREW, (M10 x 35) Stainless Steel 10-87810178
48 BEARING ASSEMBLY, Roller 31-8M0103470 31-99328A 1
49 NOT SOLD SEPARATE, Cup NSS
50 GEAR, Forward (27 Teeth) 43-44213T1
51 BUSHING 23-85557
52 FOLLOWER, Cam 85094
53 SPRING 24-38114
54 CLUTCH 52-41040T1
55 PIN 17-8M0020999 17-85093
56 SPRING 24-88680
57 PROPELLER SHAFT 44-8166231
58 GEAR, Reverse (27 Teeth) 43-99542T
59 CARRIER ASSEMBLY, Bearing 99906T1
60 BEARING, Roller 31-21739
61 SEAL, Oil, Inner 26-41132
62 SEAL, Oil, Outer 26-41131
63 O-RING 25-85549
64 PLATE 87293
65 SCREW, (M5 x 16) 10-90883
66 THRUST HUB ASSEMBLY 858498 8M0027793, 85128A 1
67 PROPELLER 48-19640A40
67 PROPELLER Comment: (Sea Pro/Marathon 15/25/Super 15) 48-19638A40
68 PROP NUT 11-88228
68 PROP NUT Comment: (Sea Pro/Marathon 15/25/Super 15) 11-4011912
- GASKET SET 27-41499A88
- SEAL KIT 26-85090A2

Ignition/Electrical Components

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Below is the parts list for Mercury 20 (2 CYL.) Ignition/Electrical Components:

Mercury 20 (2 CYL.) Ignition/Electrical Components Diagram
Position No. Part Name OEM Number Supersedes
1 COVER, Ignition Coil 997621
2 SCREW, (M5 x 55) 10-1994155
3 STATOR ASSEMBLY 855721T8
4 SCREW, (M5 x 30) 10-4013930
4 SCREW, (M5 x 10) 10-4013910
5 STRAP Comment: (Design II) 54-856999
6 SCREW, (#10-16 x .375) 10-62568
7 C WASHER 8M0084613 69205
8 SWITCHBOX ASSEMBLY Comment: (Non-Commercial) 855713A4
8 SWITCHBOX ASSEMBLY Comment: (Commercial/Jet 20) 855713A3
9 SCREW, (M5 x 35) 10-40019111
10 SCREW, (#10-16 x .375) 10-62568
11 TRIGGER ASSEMBLY 98450A10
12 STATOR AUXILIARY Comment: SN# 0T409000/0P153500 & Up 86704T11
13 SCREW, (M5 x 30) 10-4013930
14 TIE STRAP, (8.00 Inches) 54-816311T 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
15 SPARK PLUG Comment: (NGK #BP8H-N-10) 33-816737Q 33-816737 2 (NGK #BP8H-N-10)
15 SPARK PLUG Comment: (NGK #BPZ8H-N-10) (CAN/BELG.) 33-938
16 CABLE SET, High Tension (5 and 8.25 Inch) 84-813715A2
17 NOT SOLD SEPARATE, Hi-Tension Cable NSS
17 NOT SOLD SEPARATE, Hi-Tension Cable NSS
18 BOOT/TERMINAL KIT 85-63709A1
19 TIE STRAP, (8.00 Inches) 54-816311T 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
20 COIL KIT 339-832757A4
21 NUT, Brass 10-32,11-45076
22 CABLE ASSEMBLY, Black 84-88807A10
23 CLIP 54-24836
24 SCREW, (#10-16 x .500) 10-48408
25 CLIP Comment: (Design I) 54-22740
26 TERMINAL BLOCK Comment: SN# 0T408999/0P153499 & Below 86-638131
27 SCREW, (#10-16 x .625) Stainless Steel Comment: SN# 0T408999/0P153499 & Below 10-48409
28 SCREW, (#10-16 x .375) Comment: SN# 0T408999/0P153499 & Below 10-62568
29 STATOR, Auxiliary Comment: SN# 0T408999/0P153499 & Below 86704A10
NS PLUG, Male 13541
NS CAP, Female 13540
1 COVER, Ignition Coil 997621
2 SCREW, (M5 x 55) 10-1994155
3 STATOR ASSEMBLY 855721T8
4 SCREW, (M5 x 30) 10-4013930
4 SCREW, (M5 x 10) 10-4013910
5 STRAP Comment: (Design II) 54-856999
6 SCREW, (#10-16 x .375) 10-62568
7 C WASHER 8M0084613 69205
8 SWITCHBOX ASSEMBLY Comment: (Non-Commercial) 855713A4
8 SWITCHBOX ASSEMBLY Comment: (Commercial/Jet 20) 855713A3
9 SCREW, (M5 x 35) 10-40019111
10 SCREW, (#10-16 x .375) 10-62568
11 TRIGGER ASSEMBLY 98450A10
12 STATOR AUXILIARY Comment: SN# 0T409000/0P153500 & Up 86704T11
13 SCREW, (M5 x 30) 10-4013930
14 TIE STRAP, (8.00 Inches) 54-816311T 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
15 SPARK PLUG Comment: (NGK #BP8H-N-10) 33-816737Q 33-816737 2 (NGK #BP8H-N-10)
15 SPARK PLUG Comment: (NGK #BPZ8H-N-10) (CAN/BELG.) 33-938
16 CABLE SET, High Tension (5 and 8.25 Inch) 84-813715A2
17 NOT SOLD SEPARATE, Hi-Tension Cable NSS
17 NOT SOLD SEPARATE, Hi-Tension Cable NSS
18 BOOT/TERMINAL KIT 85-63709A1
19 TIE STRAP, (8.00 Inches) 54-816311T 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
20 COIL KIT 339-832757A4
21 NUT, Brass 10-32,11-45076
22 CABLE ASSEMBLY, Black 84-88807A10
23 CLIP 54-24836
24 SCREW, (#10-16 x .500) 10-48408
25 CLIP Comment: (Design I) 54-22740
26 TERMINAL BLOCK Comment: SN# 0T408999/0P153499 & Below 86-638131
27 SCREW, (#10-16 x .625) Stainless Steel Comment: SN# 0T408999/0P153499 & Below 10-48409
28 SCREW, (#10-16 x .375) Comment: SN# 0T408999/0P153499 & Below 10-62568
29 STATOR, Auxiliary Comment: SN# 0T408999/0P153499 & Below 86704A10
NS PLUG, Male 13541
NS CAP, Female 13540

Jet Linkage

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Below is the parts list for Mercury 20 (2 CYL.) Jet Linkage:

Mercury 20 (2 CYL.) Jet Linkage Diagram
Position No. Part Name OEM Number Supersedes
1 NUT 11-87599
2 LOCKWASHER, Stainless Steel 10,13-26996
3 SHIFT HANDLE 8239522
4 ROD END 828251
5 SPRING 24-828252
6 WASHER, (.265 x .500 x .060) Stainless Steel 12-846673
7 COTTER PIN 18-56206
8 NUT, (.250-28) Stainless Steel 11-29598
9 LEVER, Shift 828253
10 SCREW, (#10-32 x .750) 10-828254
11 SCREW, (#10-32 x 2.50) 10-828255
12 SHIFT ROD 828256
13 ROD END 828257
14 TILT LATCH ROD 828258
1 NUT 11-87599
2 LOCKWASHER, Stainless Steel 10,13-26996
3 SHIFT HANDLE 8239522
4 ROD END 828251
5 SPRING 24-828252
6 WASHER, (.265 x .500 x .060) Stainless Steel 12-846673
7 COTTER PIN 18-56206
8 NUT, (.250-28) Stainless Steel 11-29598
9 LEVER, Shift 828253
10 SCREW, (#10-32 x .750) 10-828254
11 SCREW, (#10-32 x 2.50) 10-828255
12 SHIFT ROD 828256
13 ROD END 828257
14 TILT LATCH ROD 828258

Jet Pump Assembly

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Below is the parts list for Mercury 20 (2 CYL.) Jet Pump Assembly:

Mercury 20 (2 CYL.) Jet Pump Assembly Diagram
Position No. Part Name OEM Number Supersedes
- JET PUMP ASSEMBLY 856143A4
- JET PUMP ASSEMBLY Comment: (With Stainless Steel Impeller) 856143A4
1 HOUSING, Pump 801411251
2 HOSE, Lube 32-827490
3 SHIFT LINKAGE KIT 878376
4 CAM 878381
5 GATE, Reverse - With Bumper 878378
6 IMPELLER Comment: (Stainless Steel) 47-855708T25 47-801414T25, 47-801414 25 (Stainless Steel)
7 HOUSING, Intake 80141225
8 LINER 827188T 827188
9 DRIVESHAFT 45-8M0084536 45-801413 25
10 THRUST WASHER 12-879652
11 BEARING, Ball 30-879653
12 SLEEVE 23-827189
13 NUT 11-827190
14 ADAPTOR 801430
15 BASE, Pump 801431
16 SCREW, (#10-32 x 1.00) Stainless Steel 10-846500 10-846500 1
17 SCREW, (.375-16 x 1.25) 10-19925125
18 WASHER, (.406 x .734 x .063) Stainless Steel 12-34931
19 SCREW, (.312-18 x 2.00) 10-19924200
20 WASHER 12-8M0207778
21 SCREW, (M10 x 35) 10-801432
22 KEY, Impeller 28-801405625
23 SHIM, Impeller 15-801404625
24 TAB WASHER 14-801403625
25 SCREW, (.250-20 x .750) Stainless Steel 10-90192
26 SCREW, (#10-24 x .625) Stainless Steel 10-F2211 10-76290, 10-F2229
- JET PUMP ASSEMBLY 856143A4
- JET PUMP ASSEMBLY Comment: (With Stainless Steel Impeller) 856143A4
1 HOUSING, Pump 801411251
2 HOSE, Lube 32-827490
3 SHIFT LINKAGE KIT 878376
4 CAM 878381
5 GATE, Reverse - With Bumper 878378
6 IMPELLER Comment: (Stainless Steel) 47-855708T25 47-801414T25, 47-801414 25 (Stainless Steel)
7 HOUSING, Intake 80141225
8 LINER 827188T 827188
9 DRIVESHAFT 45-8M0084536 45-801413 25
10 THRUST WASHER 12-879652
11 BEARING, Ball 30-879653
12 SLEEVE 23-827189
13 NUT 11-827190
14 ADAPTOR 801430
15 BASE, Pump 801431
16 SCREW, (#10-32 x 1.00) Stainless Steel 10-846500 10-846500 1
17 SCREW, (.375-16 x 1.25) 10-19925125
18 WASHER, (.406 x .734 x .063) Stainless Steel 12-34931
19 SCREW, (.312-18 x 2.00) 10-19924200
20 WASHER 12-8M0207778
21 SCREW, (M10 x 35) 10-801432
22 KEY, Impeller 28-801405625
23 SHIM, Impeller 15-801404625
24 TAB WASHER 14-801403625
25 SCREW, (.250-20 x .750) Stainless Steel 10-90192
26 SCREW, (#10-24 x .625) Stainless Steel 10-F2211 10-76290, 10-F2229

Jet Water Pump Components

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Below is the parts list for Mercury 20 (2 CYL.) Jet Water Pump Components:

Mercury 20 (2 CYL.) Jet Water Pump Components Diagram
Position No. Part Name OEM Number Supersedes
1 FACE PLATE 85083
2 WASHER 12-866451
3 KEY 28-8M0214993
4 IMPELLER 47-8M0204712
5 WASHER 12-866451
6 O-RING 25-69202
7 PUMP ASSEMBLY, Water 46-99157A02
8 NOT SOLD SEPARATE, Insert NSS
9 SEAL 26-85090001
10 O-RING, Rubber 25-86203
11 SCREW, (M6 x 16) 10-8248324
- SEAL KIT 26-85090A2
- PUMP KIT, Water 46-99157T2
1 FACE PLATE 85083
2 WASHER 12-866451
3 KEY 28-8M0214993
4 IMPELLER 47-8M0204712
5 WASHER 12-866451
6 O-RING 25-69202
7 PUMP ASSEMBLY, Water 46-99157A02
8 NOT SOLD SEPARATE, Insert NSS
9 SEAL 26-85090001
10 O-RING, Rubber 25-86203
11 SCREW, (M6 x 16) 10-8248324
- SEAL KIT 26-85090A2
- PUMP KIT, Water 46-99157T2

Lube Chart

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Below is the parts list for Mercury 20 (2 CYL.) Lube Chart:

Mercury 20 (2 CYL.) Lube Chart Diagram
Position No. Part Name OEM Number Supersedes
- NO PARTS LIST NOPART
- NO PARTS LIST NOPART

Service/Support Material

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Below is the parts list for Mercury 20 (2 CYL.) Service/Support Material:

Mercury 20 (2 CYL.) Service/Support Material Diagram
Position No. Part Name OEM Number Supersedes
0 PARTS MANUAL, 20/25/Jet 20 Seapro/Marathon 15XD Super 15/Jet 20) (2-Stroke) 90-803127
0 SERVICE MANUAL, (20/25 Jet 20) 90-826883R03 90-826883R 2
0 OWNERS MANUAL, (20/25) 90-10112040
0 OWNERS MANUAL, (Seapro/Marathon) 90-10146020
0 OWNERS MANUAL, Jet 20 90-10132040
0 DECAL SET, (Black 20/Jet 20) Comment: (2000-2004) 37-824091A00 37-824091A96, 37-824091A94, 37-824091A95 (2000-2004)
0 DECAL SET, (Black 25) Comment: (2000-2004) 37-808499A00 37-808499A96, 37-808499A94 (2000-2004)
0 DECAL SET, Black - Super 15/Seapro 15 XD 37-826307A95 37-821574A94
0 DECAL SET, (Black Seapro 25) Comment: (1995-1999) 37-811304A00 37-811304A95, 37-811304A94 (1995-1999)
0 DECAL SET, (Black Seapro 25) Comment: (2000-2004) 37-811304A00 37-811304A95, 37-811304A94 (2000-2004)
0 DECAL SET, (Gray 20) Comment: (1997-2000) 37-824092A03 37-824092A01, 37-824092A97, 37-824092A94 (1997-2000)
0 DECAL SET, (Gray 20) Comment: (2001/2002) 37-824092A03 37-824092A01, 37-824092A97, 37-824092A94 (2001/2002)
0 DECAL SET, (Gray 20) Comment: (2003-2004) 37-824092A03 37-824092A01, 37-824092A97, 37-824092A94 (2003-2004)
0 DECAL SET, (Gray 25) Comment: (1997-2000) 37-824088A03 37-824088A01, 37-824088A97, 37-824088A94 (1997-2000)
0 DECAL SET, (Gray 25) Comment: (2001/2002) 37-824088A03 37-824088A01, 37-824088A97, 37-824088A94 (2001/2002)
0 DECAL SET, (Gray 25) Comment: (2003-2004) 37-824088A03 37-824088A01, 37-824088A97, 37-824088A94 (2003-2004)
0 DECAL SET, (Gray Jet 20) Comment: (1997-2000) 37-826322A97 37-826322A95 (1997-2000)
0 DECAL SET, (Gray 20) Comment: (2001-2004) 37-824092A03 37-824092A01, 37-824092A97, 37-824092A94 (2001-2004)
0 DECAL SET, (Marathon 25) Comment: (1995 Through 1999) 37-8588361
0 DECAL SET, Gray - Super 15/Marathon 15 XD Comment: (1995 Through 1999) 37-8588361
0 DECAL SET, Gray - Super 15/Marathon 15 XD/Marathon 25 Comment: (2000 and Above) 37-8588361
0 DECAL SET Comment: (Tracker 20) 37-808649A96
0 DECAL SET Comment: (Tracker 25) 37-824731A96
0 DECAL SET, (Black - 32 H.P. - Export Only) Comment: (2000) 37-852103A00 37-852103A98 (2000)
0 DECAL SET, (Gray - 32 H.P. - Export Only) Comment: (1998 and 1999) 37-852103A00 37-852103A98 (1998 and 1999)
0 DECAL SET 37-852104A98
0 DECAL, EPA Label Information Comment: (1999 - USA) 37-856985A5
0 DECAL, EPA Label Information Comment: (2000 - USA) 37-804663A00
0 DECAL, EPA Label Information Comment: (2001 - USA) 37-804663A01
0 DECAL, EPA Label Information Comment: (2002 - USA) 37-804663A02
0 DECAL, EPA Label Information Comment: (2003 - USA) 37-804663A03
0 DECAL, EPA Label Information Comment: (2004 - USA) 37-804663A04 37-804663004 (2004 - USA)
0 DECAL, EPA Label Information Comment: (Export-1999) 37-855920
0 PARTS MANUAL, 20/25/Jet 20 Seapro/Marathon 15XD Super 15/Jet 20) (2-Stroke) 90-803127
0 SERVICE MANUAL, (20/25 Jet 20) 90-826883R03 90-826883R 2
0 OWNERS MANUAL, (20/25) 90-10112040
0 OWNERS MANUAL, (Seapro/Marathon) 90-10146020
0 OWNERS MANUAL, Jet 20 90-10132040
0 DECAL SET, (Black 20/Jet 20) Comment: (2000-2004) 37-824091A00 37-824091A96, 37-824091A94, 37-824091A95 (2000-2004)
0 DECAL SET, (Black 25) Comment: (2000-2004) 37-808499A00 37-808499A96, 37-808499A94 (2000-2004)
0 DECAL SET, Black - Super 15/Seapro 15 XD 37-826307A95 37-821574A94
0 DECAL SET, (Black Seapro 25) Comment: (1995-1999) 37-811304A00 37-811304A95, 37-811304A94 (1995-1999)
0 DECAL SET, (Black Seapro 25) Comment: (2000-2004) 37-811304A00 37-811304A95, 37-811304A94 (2000-2004)
0 DECAL SET, (Gray 20) Comment: (1997-2000) 37-824092A03 37-824092A01, 37-824092A97, 37-824092A94 (1997-2000)
0 DECAL SET, (Gray 20) Comment: (2001/2002) 37-824092A03 37-824092A01, 37-824092A97, 37-824092A94 (2001/2002)
0 DECAL SET, (Gray 20) Comment: (2003-2004) 37-824092A03 37-824092A01, 37-824092A97, 37-824092A94 (2003-2004)
0 DECAL SET, (Gray 25) Comment: (1997-2000) 37-824088A03 37-824088A01, 37-824088A97, 37-824088A94 (1997-2000)
0 DECAL SET, (Gray 25) Comment: (2001/2002) 37-824088A03 37-824088A01, 37-824088A97, 37-824088A94 (2001/2002)
0 DECAL SET, (Gray 25) Comment: (2003-2004) 37-824088A03 37-824088A01, 37-824088A97, 37-824088A94 (2003-2004)
0 DECAL SET, (Gray Jet 20) Comment: (1997-2000) 37-826322A97 37-826322A95 (1997-2000)
0 DECAL SET, (Gray 20) Comment: (2001-2004) 37-824092A03 37-824092A01, 37-824092A97, 37-824092A94 (2001-2004)
0 DECAL SET, (Marathon 25) Comment: (1995 Through 1999) 37-8588361
0 DECAL SET, Gray - Super 15/Marathon 15 XD Comment: (1995 Through 1999) 37-8588361
0 DECAL SET, Gray - Super 15/Marathon 15 XD/Marathon 25 Comment: (2000 and Above) 37-8588361
0 DECAL SET Comment: (Tracker 20) 37-808649A96
0 DECAL SET Comment: (Tracker 25) 37-824731A96
0 DECAL SET, (Black - 32 H.P. - Export Only) Comment: (2000) 37-852103A00 37-852103A98 (2000)
0 DECAL SET, (Gray - 32 H.P. - Export Only) Comment: (1998 and 1999) 37-852103A00 37-852103A98 (1998 and 1999)
0 DECAL SET 37-852104A98
0 DECAL, EPA Label Information Comment: (1999 - USA) 37-856985A5
0 DECAL, EPA Label Information Comment: (2000 - USA) 37-804663A00
0 DECAL, EPA Label Information Comment: (2001 - USA) 37-804663A01
0 DECAL, EPA Label Information Comment: (2002 - USA) 37-804663A02
0 DECAL, EPA Label Information Comment: (2003 - USA) 37-804663A03
0 DECAL, EPA Label Information Comment: (2004 - USA) 37-804663A04 37-804663004 (2004 - USA)
0 DECAL, EPA Label Information Comment: (Export-1999) 37-855920

Starter Assembly(Manual)

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Below is the parts list for Mercury 20 (2 CYL.) Starter Assembly(Manual):

Mercury 20 (2 CYL.) Starter Assembly(Manual) Diagram
Position No. Part Name OEM Number Supersedes
- STARTER ASSEMBLY, Recoil Comment: SN# 0G845347/0P038443 & Below 90906A23
- STARTER ASSEMBLY, Recoil Comment: SN# 0G845348/0P0384444 & Up 90906A23
1 HOUSING ASSEMBLY, Starter 86689A5
2 SCREW, (.250-20 x .625) 10-826253 10-97516, 10-818838
3 RING, Retaining 53-818853 53-42689
4 FELT PAD 833161T 833161, 90478
5 SPRING 24-86857T01
6 SHEAVE, Starter 50-825269T01 50-825269A 1
7 SPRING 24-86851T02
8 CAM 868501
9 RING, Retaining 53-86849T01
10 CAM 86853T01
11 SPRING 24-868523
12 ROPE 50-12066Q10
13 HANDLE ASSEMBLY 85174A1
14 NOT SOLD SEPARATE, Retainer NSS
15 BUSHING, Rope 44180
16 SUPPORT 426264
17 SCREW, (M5 x 35) 10-40019111
18 SPACER 23-309772
19 SUPPORT 856154T01 856154 1
20 NUT, (M5) Stainless Steel 11-401385
21 LEVER, Lower 93876T02
22 PIN, Roll 17-38489
23 SPRING, Upper Lock Lever 24-823778
24 LEVER, Upper 858925 94019
25 BUSHING 8M0183792
26 SCREW, (M6 x 35), Non-Seapro/Marathon Comment: SN# 0G845348/0P038444 & Up 10-1993735
26 SCREW, (M6 x 20) Stainless Steel, Non-Seapro/Marathon Comment: SN# 0G845347/0P038443 & Below 10-8M0204741
26 SCREW, (M6 x 35), Non-Seapro/Marathon Comment: SN# 0G845347/0P038443 & Below 10-1993735
27 DECAL, Warning, High Voltage 37-8272822
28 NOT SOLD SEPARATE, Decal-Servicing Referrral NSS
29 DECAL, Caution-Start in Gear Comment: (Start In Gear) (Remote Control) 37-881865 37-825064 (Start In Gear) (Remote Control)
30 NOT SOLD SEPARATE, Decal-Emergency Start Procedure NSS
31 WASHER, (.255 x .620 x .030) Stainless Steel Comment: (Commercial Engines) 12-69056
32 NUT, (M6) Comment: (Commercial Engines) 11-401386
- STARTER ASSEMBLY, Recoil Comment: SN# 0G845347/0P038443 & Below 90906A23
- STARTER ASSEMBLY, Recoil Comment: SN# 0G845348/0P0384444 & Up 90906A23
1 HOUSING ASSEMBLY, Starter 86689A5
2 SCREW, (.250-20 x .625) 10-826253 10-97516, 10-818838
3 RING, Retaining 53-818853 53-42689
4 FELT PAD 833161T 833161, 90478
5 SPRING 24-86857T01
6 SHEAVE, Starter 50-825269T01 50-825269A 1
7 SPRING 24-86851T02
8 CAM 868501
9 RING, Retaining 53-86849T01
10 CAM 86853T01
11 SPRING 24-868523
12 ROPE 50-12066Q10
13 HANDLE ASSEMBLY 85174A1
14 NOT SOLD SEPARATE, Retainer NSS
15 BUSHING, Rope 44180
16 SUPPORT 426264
17 SCREW, (M5 x 35) 10-40019111
18 SPACER 23-309772
19 SUPPORT 856154T01 856154 1
20 NUT, (M5) Stainless Steel 11-401385
21 LEVER, Lower 93876T02
22 PIN, Roll 17-38489
23 SPRING, Upper Lock Lever 24-823778
24 LEVER, Upper 858925 94019
25 BUSHING 8M0183792
26 SCREW, (M6 x 35), Non-Seapro/Marathon Comment: SN# 0G845348/0P038444 & Up 10-1993735
26 SCREW, (M6 x 20) Stainless Steel, Non-Seapro/Marathon Comment: SN# 0G845347/0P038443 & Below 10-8M0204741
26 SCREW, (M6 x 35), Non-Seapro/Marathon Comment: SN# 0G845347/0P038443 & Below 10-1993735
27 DECAL, Warning, High Voltage 37-8272822
28 NOT SOLD SEPARATE, Decal-Servicing Referrral NSS
29 DECAL, Caution-Start in Gear Comment: (Start In Gear) (Remote Control) 37-881865 37-825064 (Start In Gear) (Remote Control)
30 NOT SOLD SEPARATE, Decal-Emergency Start Procedure NSS
31 WASHER, (.255 x .620 x .030) Stainless Steel Comment: (Commercial Engines) 12-69056
32 NUT, (M6) Comment: (Commercial Engines) 11-401386

Swivel Bracket Assembly

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Below is the parts list for Mercury 20 (2 CYL.) Swivel Bracket Assembly:

Mercury 20 (2 CYL.) Swivel Bracket Assembly Diagram
Position No. Part Name OEM Number Supersedes
1 ROD, Reverse Hook 165541
2 NUT, (.375-24) Stainless Steel Comment: (Tiller Handle) 11-8M0204726
3 HANDLE Comment: (Tiller Handle) 821959
4 WASHER Comment: (Tiller Handle) 12-29330
5 BRAKE PLATE Comment: (Tiller Handle) 821957
6 DISC Comment: (Tiller Handle) 8165621
7 SWIVEL HEAD Comment: (Black) 822238A9
8 PLATE KIT Comment: (Tiller Handle) 821958A1
9 SCREW, (M6 x 13) Stainless Steel Comment: (Tiller Handle) 10-40011126
10 DISC Comment: (Tiller Handle) 8165621
11 ROD Comment: (Tiller Handle) 821961
12 SWIVEL BRACKET Comment: (Black) 3415-822237A3
13 FITTING, Grease 22-8M0169589
14 FITTING, Grease 22-8M0169589
15 FITTING, Grease 22-8M0169589
16 BUSHING KIT 23-85154A1
17 O-RING 25-86993
18 NOT SOLD SEPARATE, Bushing NSS
19 NOT SOLD SEPARATE, Bushing NSS
20 NOT SOLD SEPARATE, Washer NSS
21 HOOK ASSEMBLY, Reverse Lock 98830A3
22 SPRING Comment: (Remote Control Models) 24-97427
22 SPRING Comment: (All Other Models) 24-879894 24-12755 (All Other Models)
23 SPRING 24-96018
24 RING, Retaining Comment: (Tiller Handle) 53-13194
25 PIN 17-13195
26 BRACKET Comment: (Tiller Handle) 12756
27 SPRING Comment: (Tiller Handle) 24-12754
28 LEVER Comment: (Tiller Handle) 12758
29 RING, Retaining Comment: (Tiller Handle) 53-13194
30 COVER Comment: (Tiller Handle) 17232A1
31 SCREW, (M8 x 100) 10-19943100
32 SCREW, (M8 x 60) 10-1994360
33 WASHER 12-36001
34 NUT, (M8) Stainless Steel 11-400213
35 BUMPER, Front 85123001
36 MOUNT 85122001
37 SCREW, (M8 x 133.35) Upper Mount 10-125161
38 MOUNT 14894
39 WASHER, Upper Mount Screw 12-85172
40 WASHER 12-43430
41 NUT, (M8) Stainless Steel 11-400213
42 SCREW, (.375-24 x 1.25) Comment: (Remote Control) 10-849838 10-14000 (Remote Control)
43 ATTACHING KIT, Steering Link Comment: (Remote Control) 41323A03
44 WASHER, (.390 x .625 x .062) Stainless Steel Comment: (Remote Control) 12-37828
45 NUT, (.375-24) Stainless Steel Comment: (Remote Control) 11-8M0204726
46 BRACKET ASSEMBLY Comment: (Remote Control) 96186A2
47 SCREW, (M10 x 25) Comment: (Remote Control) 10-1993325
48 LOCKWASHER, (M10) Comment: (Design I) (Remote Control) 13-400248
49 NOT SOLD SEPARATE, Decal-Serial Overlaminate NSS
50 NUT, (.375-24) Stainless Steel Comment: (Remote Control) 11-8M0204726
51 WASHER, (.390 x .625 x .062) Stainless Steel 12-37828
52 STRAP, Key (Included with Ride Guide Bracket) Comment: (Design II) (Remote Control) 96201
- GASKET SET 27-41499A88
1 ROD, Reverse Hook 165541
2 NUT, (.375-24) Stainless Steel Comment: (Tiller Handle) 11-8M0204726
3 HANDLE Comment: (Tiller Handle) 821959
4 WASHER Comment: (Tiller Handle) 12-29330
5 BRAKE PLATE Comment: (Tiller Handle) 821957
6 DISC Comment: (Tiller Handle) 8165621
7 SWIVEL HEAD Comment: (Black) 822238A9
8 PLATE KIT Comment: (Tiller Handle) 821958A1
9 SCREW, (M6 x 13) Stainless Steel Comment: (Tiller Handle) 10-40011126
10 DISC Comment: (Tiller Handle) 8165621
11 ROD Comment: (Tiller Handle) 821961
12 SWIVEL BRACKET Comment: (Black) 3415-822237A3
13 FITTING, Grease 22-8M0169589
14 FITTING, Grease 22-8M0169589
15 FITTING, Grease 22-8M0169589
16 BUSHING KIT 23-85154A1
17 O-RING 25-86993
18 NOT SOLD SEPARATE, Bushing NSS
19 NOT SOLD SEPARATE, Bushing NSS
20 NOT SOLD SEPARATE, Washer NSS
21 HOOK ASSEMBLY, Reverse Lock 98830A3
22 SPRING Comment: (Remote Control Models) 24-97427
22 SPRING Comment: (All Other Models) 24-879894 24-12755 (All Other Models)
23 SPRING 24-96018
24 RING, Retaining Comment: (Tiller Handle) 53-13194
25 PIN 17-13195
26 BRACKET Comment: (Tiller Handle) 12756
27 SPRING Comment: (Tiller Handle) 24-12754
28 LEVER Comment: (Tiller Handle) 12758
29 RING, Retaining Comment: (Tiller Handle) 53-13194
30 COVER Comment: (Tiller Handle) 17232A1
31 SCREW, (M8 x 100) 10-19943100
32 SCREW, (M8 x 60) 10-1994360
33 WASHER 12-36001
34 NUT, (M8) Stainless Steel 11-400213
35 BUMPER, Front 85123001
36 MOUNT 85122001
37 SCREW, (M8 x 133.35) Upper Mount 10-125161
38 MOUNT 14894
39 WASHER, Upper Mount Screw 12-85172
40 WASHER 12-43430
41 NUT, (M8) Stainless Steel 11-400213
42 SCREW, (.375-24 x 1.25) Comment: (Remote Control) 10-849838 10-14000 (Remote Control)
43 ATTACHING KIT, Steering Link Comment: (Remote Control) 41323A03
44 WASHER, (.390 x .625 x .062) Stainless Steel Comment: (Remote Control) 12-37828
45 NUT, (.375-24) Stainless Steel Comment: (Remote Control) 11-8M0204726
46 BRACKET ASSEMBLY Comment: (Remote Control) 96186A2
47 SCREW, (M10 x 25) Comment: (Remote Control) 10-1993325
48 LOCKWASHER, (M10) Comment: (Design I) (Remote Control) 13-400248
49 NOT SOLD SEPARATE, Decal-Serial Overlaminate NSS
50 NUT, (.375-24) Stainless Steel Comment: (Remote Control) 11-8M0204726
51 WASHER, (.390 x .625 x .062) Stainless Steel 12-37828
52 STRAP, Key (Included with Ride Guide Bracket) Comment: (Design II) (Remote Control) 96201
- GASKET SET 27-41499A88

Throttle and Shift Linkage(Remote Control)

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Below is the parts list for Mercury 20 (2 CYL.) Throttle and Shift Linkage(Remote Control):

Mercury 20 (2 CYL.) Throttle and Shift Linkage(Remote Control) Diagram
Position No. Part Name OEM Number Supersedes
1 SCREW, (M6 x 25) 10-8M0204707
2 WASHER, (.265 x .750 x .048) Stainless Steel 12-65567
3 WAVE WASHER 13-99611
4 BUSHING 23-823806
5 CAM, Throttle 8319781
6 SPRING 24-42164
7 SPARK ARM 888191 831977
8 TIMING LINK 8327471
9 LINK INTERLOCK 42161
10 LEVER, Interlock Control 8236103
11 SCREW, (M6 x 25) 10-8M0204707
12 WASHER, (.255 x .620 x .030) Stainless Steel 12-69056
13 BUSHING 23-823806
14 LEVER, Backplate 823862
15 LEVER, Horizontal Shift Shaft, Port 8238632
16 SHIFT SHAFT, Horizontal 8236011
17 SPRING, Detent 24-826077
18 SPRING, Plate 824994
19 SCREW, (M5 x 16) Stainless Steel 10-40011107
20 SHIFT ROD ASSEMBLY 881228A1
21 SOCKET 817428 830875
22 NUT, Brass 10-32,11-45076
23 LINK ASSEMBLY, Throttle 881227A3
24 SOCKET 817428 830875
25 NUT, Brass 10-32,11-45076
26 NYLINER 23-825319
27 LEVER, Shift 8251681
28 RETAINER 822459
29 PUSH NUT 11-825677
30 WASHER, (.255 x .620 x .030) Stainless Steel 12-35280
31 NUT, (M6) 11-401386
32 NYLINER 23-825319
33 LEVER, Throttle 825169
34 RETAINER 822459
35 PUSH NUT 11-825677
36 WASHER, (.255 x .620 x .030) Stainless Steel 12-35280
37 NUT, (M6) 11-401386
38 BRACKET, Mounting 8251701
39 SCREW, (M6 x 16) 10-4006731
1 SCREW, (M6 x 25) 10-8M0204707
2 WASHER, (.265 x .750 x .048) Stainless Steel 12-65567
3 WAVE WASHER 13-99611
4 BUSHING 23-823806
5 CAM, Throttle 8319781
6 SPRING 24-42164
7 SPARK ARM 888191 831977
8 TIMING LINK 8327471
9 LINK INTERLOCK 42161
10 LEVER, Interlock Control 8236103
11 SCREW, (M6 x 25) 10-8M0204707
12 WASHER, (.255 x .620 x .030) Stainless Steel 12-69056
13 BUSHING 23-823806
14 LEVER, Backplate 823862
15 LEVER, Horizontal Shift Shaft, Port 8238632
16 SHIFT SHAFT, Horizontal 8236011
17 SPRING, Detent 24-826077
18 SPRING, Plate 824994
19 SCREW, (M5 x 16) Stainless Steel 10-40011107
20 SHIFT ROD ASSEMBLY 881228A1
21 SOCKET 817428 830875
22 NUT, Brass 10-32,11-45076
23 LINK ASSEMBLY, Throttle 881227A3
24 SOCKET 817428 830875
25 NUT, Brass 10-32,11-45076
26 NYLINER 23-825319
27 LEVER, Shift 8251681
28 RETAINER 822459
29 PUSH NUT 11-825677
30 WASHER, (.255 x .620 x .030) Stainless Steel 12-35280
31 NUT, (M6) 11-401386
32 NYLINER 23-825319
33 LEVER, Throttle 825169
34 RETAINER 822459
35 PUSH NUT 11-825677
36 WASHER, (.255 x .620 x .030) Stainless Steel 12-35280
37 NUT, (M6) 11-401386
38 BRACKET, Mounting 8251701
39 SCREW, (M6 x 16) 10-4006731

Throttle and Shift Linkage(Side Shift)

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Below is the parts list for Mercury 20 (2 CYL.) Throttle and Shift Linkage(Side Shift):

Mercury 20 (2 CYL.) Throttle and Shift Linkage(Side Shift) Diagram
Position No. Part Name OEM Number Supersedes
1 LINK INTERLOCK 42161
2 LEVER, Interlock Control 8236103
3 SCREW, (M6 x 25) 10-8M0204707
4 WASHER, (.255 x .620 x .030) Stainless Steel 12-69056
5 BUSHING 23-823806
6 LEVER, Backplate 823862
7 SPRING, Detent 24-826077
8 SPRING, Plate 824994
9 SCREW, (M5 x 16) Stainless Steel 10-40011107
10 LEVER, Horizontal Shift Shaft, Port 8238632
11 SHIFT SHAFT, Horizontal 8236011
12 SHIFT HANDLE 8239521
13 SCREW, (M5 x 20) 10-40019108
14 WASHER 12-4002314
15 BRACKET, Cable Anchor 8237582
16 WASHER, (.265 x .750 x .048) Stainless Steel 12-65567
17 WAVE WASHER 13-99611
18 CAM, Throttle 8319781
19 SPRING 24-42164
20 SPARK ARM 888191 831977
21 TIMING LINK 8327471
22 SCREW, (M6 x 25) 10-8M0204707
23 BUSHING 23-823806
24 SCREW, (M6 x 16) 10-4006731
1 LINK INTERLOCK 42161
2 LEVER, Interlock Control 8236103
3 SCREW, (M6 x 25) 10-8M0204707
4 WASHER, (.255 x .620 x .030) Stainless Steel 12-69056
5 BUSHING 23-823806
6 LEVER, Backplate 823862
7 SPRING, Detent 24-826077
8 SPRING, Plate 824994
9 SCREW, (M5 x 16) Stainless Steel 10-40011107
10 LEVER, Horizontal Shift Shaft, Port 8238632
11 SHIFT SHAFT, Horizontal 8236011
12 SHIFT HANDLE 8239521
13 SCREW, (M5 x 20) 10-40019108
14 WASHER 12-4002314
15 BRACKET, Cable Anchor 8237582
16 WASHER, (.265 x .750 x .048) Stainless Steel 12-65567
17 WAVE WASHER 13-99611
18 CAM, Throttle 8319781
19 SPRING 24-42164
20 SPARK ARM 888191 831977
21 TIMING LINK 8327471
22 SCREW, (M6 x 25) 10-8M0204707
23 BUSHING 23-823806
24 SCREW, (M6 x 16) 10-4006731

Throttle and Shift Linkage(Tiller Handle Shift)

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Below is the parts list for Mercury 20 (2 CYL.) Throttle and Shift Linkage(Tiller Handle Shift):

Mercury 20 (2 CYL.) Throttle and Shift Linkage(Tiller Handle Shift) Diagram
Position No. Part Name OEM Number Supersedes
1 SWITCH ASSEMBLY Comment: (Local Electric) 87-813960A4
2 SCREW, (M3.5 x 20) Stainless Steel Comment: (Local Electric) 10-88075020
3 PLATE Comment: (Local Electric) 824923
4 STRAP Comment: (Local Electric) 54-12627
5 SCREW, (M5 x 16) Stainless Steel Comment: (Local Electric) 10-40011107
6 LINK INTERLOCK 42161
7 LEVER, Interlock Control 8236103
8 SCREW, (M6 x 25) 10-8M0204707
9 WASHER, (.255 x .620 x .030) Stainless Steel 12-69056
10 BUSHING 23-823806
11 LEVER, Backplate 823862
12 LEVER, Horizontal Shift Shaft, Port 8238632
13 SHIFT SHAFT, Horizontal 8236011
14 SHIFT LINK ASSEMBLY 881228A2
15 SOCKET 817428 830875
16 NUT, Brass 10-32,11-45076
17 LINK ASSEMBLY, Throttle 881227A1
18 SOCKET 817428 830875
19 NUT, Brass 10-32,11-45076
20 SCREW, (M6 x 25) 10-8M0204707
21 WASHER, (.265 x .750 x .048) Stainless Steel 12-65567
22 WAVE WASHER 13-99611
23 BUSHING 23-823806
24 CAM, Throttle 8319781
25 SPRING 24-42164
26 SPARK ARM 888191 831977
27 TIMING LINK 8327471
28 SECONDARY GEAR 8238083
29 PRIMARY GEAR 8238092
30 BUSHING 23-823806
31 BALL 30-93008
32 SPRING 24-8M0215005
33 SCREW, (M6 x 20) 56-8M0206596
34 WASHER, (.255 x .620 x .030) Stainless Steel 12-69056
35 SCREW, (M6 x 30) 10-4000331
36 WASHER, (.255 x .620 x .030) Stainless Steel 12-69056
37 BUSHING 23-823807 23-42806
38 CONTROL PLATFORM 8238102
39 SCREW, (M6 x 16) 10-4006731
1 SWITCH ASSEMBLY Comment: (Local Electric) 87-813960A4
2 SCREW, (M3.5 x 20) Stainless Steel Comment: (Local Electric) 10-88075020
3 PLATE Comment: (Local Electric) 824923
4 STRAP Comment: (Local Electric) 54-12627
5 SCREW, (M5 x 16) Stainless Steel Comment: (Local Electric) 10-40011107
6 LINK INTERLOCK 42161
7 LEVER, Interlock Control 8236103
8 SCREW, (M6 x 25) 10-8M0204707
9 WASHER, (.255 x .620 x .030) Stainless Steel 12-69056
10 BUSHING 23-823806
11 LEVER, Backplate 823862
12 LEVER, Horizontal Shift Shaft, Port 8238632
13 SHIFT SHAFT, Horizontal 8236011
14 SHIFT LINK ASSEMBLY 881228A2
15 SOCKET 817428 830875
16 NUT, Brass 10-32,11-45076
17 LINK ASSEMBLY, Throttle 881227A1
18 SOCKET 817428 830875
19 NUT, Brass 10-32,11-45076
20 SCREW, (M6 x 25) 10-8M0204707
21 WASHER, (.265 x .750 x .048) Stainless Steel 12-65567
22 WAVE WASHER 13-99611
23 BUSHING 23-823806
24 CAM, Throttle 8319781
25 SPRING 24-42164
26 SPARK ARM 888191 831977
27 TIMING LINK 8327471
28 SECONDARY GEAR 8238083
29 PRIMARY GEAR 8238092
30 BUSHING 23-823806
31 BALL 30-93008
32 SPRING 24-8M0215005
33 SCREW, (M6 x 20) 56-8M0206596
34 WASHER, (.255 x .620 x .030) Stainless Steel 12-69056
35 SCREW, (M6 x 30) 10-4000331
36 WASHER, (.255 x .620 x .030) Stainless Steel 12-69056
37 BUSHING 23-823807 23-42806
38 CONTROL PLATFORM 8238102
39 SCREW, (M6 x 16) 10-4006731

Tiller Handle Assembly

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Below is the parts list for Mercury 20 (2 CYL.) Tiller Handle Assembly:

Mercury 20 (2 CYL.) Tiller Handle Assembly Diagram
Position No. Part Name OEM Number Supersedes
- TILLER HANDLE Comment: (Black) (Tiller Handle Shift) 821468T4
- TILLER HANDLE Comment: (Black) (Side Shift) 821468T2
1 COVER KIT Comment: (Tiller Handle Shift) 822148A4
1 COVER KIT Comment: (Side Shift) 822148A2
2 PULLEY 822150
3 NOT SOLD SEPARATE, Case NSS
4 SCREW, (#10-16 x .500) 10-878608 10-812832
5 CABLE, Throttle Comment: (Tiller Handle Shift) 43242T03
5 CABLE, Throttle Comment: (Side Shift) 432426
6 CABLE, Throttle Comment: (Tiller Handle Shift) 43242T03
6 CABLE, Throttle Comment: (Side Shift) 432426
7 SLEEVE, (12.00 Inches) 85-960099
8 ARM ASSEMBLY, Steering Handle Comment: (Black) 821468A66 821468T 8 (Black)
9 SCREW, (M5 x 16) Stainless Steel 10-4010516
10 SCREW, (M5 x 16) Stainless Steel 10-40011107
11 KNOB, Throttle 821972T 821972
12 SPRING 24-96203
13 LOCK, Throttle 892995 821971
14 SCREW, (M6 x 25) 10-8M0204707
15 TILLER TUBE 821463T01 821463A 1
16 DECAL Comment: (Tiller Handle Shift) 37-8242002
16 DECAL Comment: (Side Shift) 37-8242004
17 HANDLE, Throttle Comment: (Tiller Handle Shift) 822429
17 HANDLE, Throttle Comment: (Side Shift) 821465
18 GRIP 8M0221732
19 SWITCH ASSEMBLY, Stop Comment: (Red) 87-8M0104615
19 SWITCH ASSEMBLY, Start/Stop Comment: (Black) 87-823609A18
20 RETAINER 822441
21 PLATE 8221471
22 BUSHING 23-823939
23 SCREW, (M10 x 80) 10-4000384
24 BRACKET Comment: (Black) 822841F1
25 BUSHING 23-823939
26 WASHER 12-822145
27 WAVE WASHER 13-826792 13-34678 1, 13-822144
28 WASHER 12-822145
29 WASHER 12-822146
- TILLER HANDLE Comment: (Black) (Tiller Handle Shift) 821468T4
- TILLER HANDLE Comment: (Black) (Side Shift) 821468T2
1 COVER KIT Comment: (Tiller Handle Shift) 822148A4
1 COVER KIT Comment: (Side Shift) 822148A2
2 PULLEY 822150
3 NOT SOLD SEPARATE, Case NSS
4 SCREW, (#10-16 x .500) 10-878608 10-812832
5 CABLE, Throttle Comment: (Tiller Handle Shift) 43242T03
5 CABLE, Throttle Comment: (Side Shift) 432426
6 CABLE, Throttle Comment: (Tiller Handle Shift) 43242T03
6 CABLE, Throttle Comment: (Side Shift) 432426
7 SLEEVE, (12.00 Inches) 85-960099
8 ARM ASSEMBLY, Steering Handle Comment: (Black) 821468A66 821468T 8 (Black)
9 SCREW, (M5 x 16) Stainless Steel 10-4010516
10 SCREW, (M5 x 16) Stainless Steel 10-40011107
11 KNOB, Throttle 821972T 821972
12 SPRING 24-96203
13 LOCK, Throttle 892995 821971
14 SCREW, (M6 x 25) 10-8M0204707
15 TILLER TUBE 821463T01 821463A 1
16 DECAL Comment: (Tiller Handle Shift) 37-8242002
16 DECAL Comment: (Side Shift) 37-8242004
17 HANDLE, Throttle Comment: (Tiller Handle Shift) 822429
17 HANDLE, Throttle Comment: (Side Shift) 821465
18 GRIP 8M0221732
19 SWITCH ASSEMBLY, Stop Comment: (Red) 87-8M0104615
19 SWITCH ASSEMBLY, Start/Stop Comment: (Black) 87-823609A18
20 RETAINER 822441
21 PLATE 8221471
22 BUSHING 23-823939
23 SCREW, (M10 x 80) 10-4000384
24 BRACKET Comment: (Black) 822841F1
25 BUSHING 23-823939
26 WASHER 12-822145
27 WAVE WASHER 13-826792 13-34678 1, 13-822144
28 WASHER 12-822145
29 WASHER 12-822146

Tools, Special

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Below is the parts list for Mercury 20 (2 CYL.) Tools, Special:

Mercury 20 (2 CYL.) Tools, Special Diagram
Position No. Part Name OEM Number Supersedes
- INSTALLER TOOL, Bearing Carrier 91-93843T1
- PULLER KIT, Bearing 91-31229A7
- GAUGE TOOL 91-29287
- FLYWHEEL PULLER 91-83164M
- INSTALL/REMOVE TOOL, Piston Pin 91-76160A2
- EXPANDER TOOL, Piston Ring 91-24697
- PULLER 91-27780
- PULLER PLATE 91-37241
- PULLER ASSEMBLY, Slide Hammer 91-34569A1
- TESTER, Eight Chamber, Eight Chamber 91-850439T1
- GAP TOOL, Single Chamber, Single Chamber 91-63998A1
- TORQUE WRENCH, (0-150 lb-in) 91-66274
- GREASE GUN 91-30500
- INSTALLER TOOL, Bearing Carrier 91-93843T1
- PULLER KIT, Bearing 91-31229A7
- GAUGE TOOL 91-29287
- FLYWHEEL PULLER 91-83164M
- INSTALL/REMOVE TOOL, Piston Pin 91-76160A2
- EXPANDER TOOL, Piston Ring 91-24697
- PULLER 91-27780
- PULLER PLATE 91-37241
- PULLER ASSEMBLY, Slide Hammer 91-34569A1
- TESTER, Eight Chamber, Eight Chamber 91-850439T1
- GAP TOOL, Single Chamber, Single Chamber 91-63998A1
- TORQUE WRENCH, (0-150 lb-in) 91-66274
- GREASE GUN 91-30500

Top Cowl

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Below is the parts list for Mercury 20 (2 CYL.) Top Cowl:

Mercury 20 (2 CYL.) Top Cowl Diagram
Position No. Part Name OEM Number Supersedes
1 TOP COWL ASSEMBLY Comment: (Black) 2190-9163T19
1 TOP COWL ASSEMBLY Comment: (Silver) 2190-9163T21
2 SHIELD, Rear Comment: (Black) 44311F3
2 SHIELD, Rear Comment: (Silver) 44311F5
3 SCREW, (M5 x 12) 10-400018
4 WASHER, (.220 x .500 x .030) Stainless Steel 12-73288
5 LATCH, Cowl 17221
6 SCREW, (M5 x 12) 10-400033
7 SEAL, Cowl 17773A2
8 SOUND BLANKET KIT 815625A02 815625A 1
9 NOT SOLD SEPARATE, Sound Blanket NSS
10 NOT SOLD SEPARATE, Sound Blanket NSS
11 SCREW, (M5 x 12) 10-400033
12 BRACKET ASSEMBLY, Roller 812413A1
13 SHIM, Cowl Latch 18517
14 DECAL, EPA Label Information 37-804663A04 37-804663004
14 DECAL, EPA Label Information Comment: (2003 - USA) 37-804663A03
14 DECAL, EPA Label Information Comment: (2002 - USA) 37-804663A02
14 DECAL, EPA Label Information Comment: (2001 - USA) 37-804663A01
14 DECAL, EPA Label Information Comment: (2000 - USA) 37-804663A00
14 DECAL, EPA Label Information Comment: (1999 - USA) 37-856985A5
14 DECAL, EPA Label Information Comment: (Export-1999) 37-855920
15 DECAL, Starting Procedures 90-134254
16 SHIFT DECAL Comment: (Jet) 37-111851
1 TOP COWL ASSEMBLY Comment: (Black) 2190-9163T19
1 TOP COWL ASSEMBLY Comment: (Silver) 2190-9163T21
2 SHIELD, Rear Comment: (Black) 44311F3
2 SHIELD, Rear Comment: (Silver) 44311F5
3 SCREW, (M5 x 12) 10-400018
4 WASHER, (.220 x .500 x .030) Stainless Steel 12-73288
5 LATCH, Cowl 17221
6 SCREW, (M5 x 12) 10-400033
7 SEAL, Cowl 17773A2
8 SOUND BLANKET KIT 815625A02 815625A 1
9 NOT SOLD SEPARATE, Sound Blanket NSS
10 NOT SOLD SEPARATE, Sound Blanket NSS
11 SCREW, (M5 x 12) 10-400033
12 BRACKET ASSEMBLY, Roller 812413A1
13 SHIM, Cowl Latch 18517
14 DECAL, EPA Label Information 37-804663A04 37-804663004
14 DECAL, EPA Label Information Comment: (2003 - USA) 37-804663A03
14 DECAL, EPA Label Information Comment: (2002 - USA) 37-804663A02
14 DECAL, EPA Label Information Comment: (2001 - USA) 37-804663A01
14 DECAL, EPA Label Information Comment: (2000 - USA) 37-804663A00
14 DECAL, EPA Label Information Comment: (1999 - USA) 37-856985A5
14 DECAL, EPA Label Information Comment: (Export-1999) 37-855920
15 DECAL, Starting Procedures 90-134254
16 SHIFT DECAL Comment: (Jet) 37-111851

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For Mercury Owners:

To assist you in maintaining and repairing your marine engines, we hope the following resources may be of use:

About JLM Marine

Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.

As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.

We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.

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