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Mercury 500 (1770179 THRU 2116317) Outboard Motor Parts Diagram & Catalog – Free PDF Download

by JLM Marine 30 Apr 2025 0 Comments
Mercury 500 Outboard Motor Parts Diagram & Catalog – Free PDF Download

ACCESSORIES

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Below is the parts list for Mercury 500 ACCESSORIES:

Mercury 500 ACCESSORIES Diagram
Position No. Part Name OEM Number Supersedes
GASKET SET (MOTOR OVERHAUL) 27-37277A1
GEAR LUBRICANT 92-326411
SHIPPING CARTON (FUEL TANK) 94-29616
SHIPPING CARTON (MOTOR) 94-39394
MERC 500-4 PARTS LIST 90-38691
DECAL SET (MERC 500-4) 37-43198A84
DECAL SET (MERC 500-5) 37-43198A84

BOTTOM COWL ASSEMBLY AND SHIFT LINKAGE

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Below is the parts list for Mercury 500 BOTTOM COWL ASSEMBLY AND SHIFT LINKAGE:

Mercury 500 BOTTOM COWL ASSEMBLY AND SHIFT LINKAGE Diagram
Position No. Part Name OEM Number Supersedes
1 BOTTOM COWL ASSEMBLY 2116-2990A1
2 COVER, PLUG - BOTTOM COWL HARNESS HOLE 29206
3 SCREW, PLUG COVER TO BOTTOM COWL 10-45893
4 LOCKWASHER, PLUG COVER SCREW ( REMOVE - NOT REQUIRED ON ELE 13-26995
5 NUT, PLUG COVER SCREW 11-26419
6 STUD, BOTTOM COWL TO REAR SUPPORT BRACKET 16-68169
7 NUT, BOTTOM COWL STUD 11-8267089
8 TRIM MOULDING ASSEMBLY, BOTTOM COWL 37703A1
9 SPLICER, TRIM MOULDING - REAR 38046
10 SCREW, DECORATIVE - TRIM MOULDING TO BOTTOM COWL 10-29226
11 WASHER, FIBER - MOULDING SCREW 12-24671
12 NUT, NYLON CAP - MOULDING SCREW 11-29225
13 LOCKWASHER, MOULDING SCREW 13-26995
14 NUT, MOULDING SCREW 11-26419
15 TUBE, VENT - MAGNETO OUTLET (10 1/2") 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
15 TUBE, VENT - MAGNETO OUTLET (12 5/8") 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
16 ELBOW, MAGNETO VENT TUBE TO BOTTOM COWL 22-31521
17 CONNECTOR BASE ASSEMBLY 21104A2
18 LOCKWASHER, CONNECTOR BASE 13-21972
19 NUT, CONNECTOR BASE TO BOTTOM COWL 11-21971
20 CLIP, CONNECTOR BASE LEAD WIRE 54-25231
21 SCREW, LEAD WIRE CLIP TO BOTTOM COWL 10-22815
22 COVER PLATE ASSEMBLY 60948A1
23 PAD, SOUND - COVER PLATE 37944
24 SCREW, COVER PLATE TO BOTTOM COWL 10-8M0113176
25 BOOT, CONTROL CABLE 37695
26 BAFFLE, BOTTOM COWL 23760
27 SCREW, BAFFLE TO BOTTOM COWL 10-21106
28 BOOT, FUEL CONNECTOR 37637
29 SUPPORT, EXTERNAL WIRING HANRESS 37692
30 SCREW, HARNESS SUPPORT TO BOTTOM COWL (2") 10-21937
31 NUT, HARNESS SUPPORT SCREW 11-8M0207775
32 HOSE, WATER TELL TALE - CYLINDER BLOCK TO BOTTOM COWL 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
33 CONNECTOR, WATER TELL TALE HOSE - BOTTOM COWL 22-291112
34 CLAMP, WATER TELL TALE HOSE TO CONNECTOR 54-22976
35 PLATE ASSEMBLY, EXHAUST EXTENSION 42819A2
36 WASHER, NYLON - WATER INLET TUBE STARTER WITH SERIAL #181 Comment: SERIAL 01811269-09999999 12-38453
37 SEAL, RUBBER - WATER TUBE Comment: SERIAL 01811269-09999999 26-38452
37 SEAL, RUBBER - EXHAUST EXTENSION PLATE (USE THRU SERIAL #18 Comment: SERIAL 00000000-01811268 26-20232
38 RETAINER, WATER TUBE SEAL STARTED WITH SERIAL #1811269 Comment: SERIAL 01811269-09999999 38500
39 SCREW, RETAINER TO EXHAUST EXTENSION PLATE Comment: SERIAL 01811269-09999999 10-69069
40 SCREW, EXHAUST EXTENSION PLATE TO DRIVE SHAFT HOUSING Comment: SERIAL 01811269-09999999 10-56500
41 NUT, EXHAUST EXTENSION PLATE SCREW 11-8M0207775
42 LEVER, QUICK DISCONNECT - THROTTLE AND SHIFT CABLES 59037A2
43 SPRING, COMPRESSION - QUICK DISCONNECT LEVER 24-38005
44 BEARING, NYLON - QUICK DISCONNECT LEVER 23-37927
45 PIN, ROLL - QUICK DISCONNECT LEVER 17-239281
46 RETAINER, NYLON BEARING TO EXHAUST EXTENSION PLATE 37926
47 SCREW, BEARING RETAINER TO EXHAUST EXTENSION PLATE 10-37923
48 GASKET, POWERHEAD TO EXHAUST EXTENSION PLATE 27-796501
49 SEAL, RUBBER - EXHAUST EXTENSION PLATE 38156
50 STRIP, RUBBER SEAL RETAINING 99136
51 SCREW, RETAINING STRIP TO EXHAUST EXTENSION PLATE 10-37571
52 GASKET, EXHAUST EXTENSION PLATE TO DRIVE SHAFT HOUSING 27-385011
53 SHIFT SHAFT ASSEMBLY, UPPER (SHORT SHAFT) 25172A1
53 SHIFT SHAFT ASSEMBLY, UPPER (LONG SHAFT) 25162A1
54 SPRING, DETENT - SHIFT SHAFT 24-37693
55 SCREW, DETENT SPRING TO EXHAUST EXTENSION PLATE 10-98256
56 WASHER, DETENT SPRING SCREW 12-69057
57 NUT, DETENT SPRING SCREW 11-8M0207775
58 ACTUATOR, SHIFT CONTROL 37948A5
59 WASHER, SHIFT CONTROL ACTUATOR 12-26907
60 NUT, SHIFT CONTROL ACTUATOR TO UPPER SHIFT SHAFT 11-8267089
61 SPRING, QUICK DISCONNECT - SHIFT CABLE 24-37934
62 SCREW, QUICK DISCONNECT SPRING TO SHIFT CONTROL ACTUATOR 10-38069
63 BEARING, NYLON - SHIFT CONTROL ACTUATOR 37932
64 SCREW, BEARING TO SHIFT CONTROL ACTUATOR 10-36137
65 LOCKWASHER, BEARING SCREW 13-21272
66 RAIL, SHIFT CONTROL BEARING 37935
67 SCREW, RAIL TO EXHAUST MANIFOLD COVER 10-69028
68 LOCKWASHER, RAIL SCREW 13-26992

CARBURETOR ASSEMBLY

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Below is the parts list for Mercury 500 CARBURETOR ASSEMBLY:

Mercury 500 CARBURETOR ASSEMBLY Diagram
Position No. Part Name OEM Number Supersedes
1 CARBURETOR ASSEMBLY, COMPLETE (KA-21A) 1333-2539
1 CARBURETOR ASSEMBLY, COMPLETE (KA-21B) 1333-2741
2 FLOAT ASSEMBLY 1395-8673
3 PIN, FLOAT LEVER PINION 17-20853
4 LEVER, FLOAT (LOWER) 1399-102
5 LEVER, FLOAT (UPPER) 1399-101
6 INLET NEEDLE, SEAT AND GASKET 1395-92581
7 GASKET, INLET SEAT 27-25033
8 GASKET, FLOAT BOWL COVER 1399-99
9 COVER, FLOAT BOWL 1399-1133
10 SCREW, FLOAT BOWL COVER (SHORT) 10-22625
11 SCREW, FLOAT BOWL COVER (LONG) 10-25850
12 GASKET, STRAINER COVER (LARGE) 27-25851
13 SCREEN, FILTER 1399-3938
14 GASKET, STRAINER COVER (SMALL) 27-25849
15 COVER, STRAINER 1399-1135
16 GASKET, STRAINER COVER SCREW 27-25848
17 SCREW, STRAINER COVER FASTENING 10-25822
18 SCREW, THROTTLE STOP LEVER 1395-6027
19 LEVER, THROTTLE STOP (SEE NOTE BELOW) 8146791
20 SHAFT, THROTTLE 1399-2012
21 TUBE, IDLE 1399-2560
22 GASKET, IDLE TUBE 27-23180
23 SCREW AND LOCKWASHER, THROTTLE SHUTTER 10-23035
23 SCREW AND LOCKWASHER, THROTTLE SHUTTER 10-20858
24 SHUTTER, THROTTLE 1399-1476
25 SPRING, IDLE ADJUSTMENT SCREW 24-27160
26 SCREW, IDLE ADJUSTMENT 1399-1713
27 SCREW, PLUG - MAIN FUEL JET CHANNEL 10-28405
28 GASKET, JET CHANNEL PLUG SCREW 27-28406
29 JET, MAIN FUEL (.063) 1399-1463
29 JET, MAIN FUEL (.061) 1399-1461
29 JET, MAIN FUEL (.059) 1399-1459
29 JET, MAIN FUEL (.057) 1399-1457
29 JET, MAIN FUEL (.055) 1399-1655
30 GASKET, MAIN FUEL JET 27-28409
31 NOZZLE, MAIN 1399-1985
31 NOZZLE, MAIN 1399-2785
32 SCREW, PLUG - MAIN NOZZLE 10-23178
33 SPRING, THROTTLE SHAFT RETURN (LOWER CARBURETOR) 24-26890
33 SPRING, THROTTLE SHAFT RETURN (UPPER CARBURETOR) 24-20869
34 SCREW, PLUG - BODY CHANNEL 10-28845
35 WELCH PLUG, BODY CHANNEL 19-20011
-- GASKET AND PACKING SET (1 PER CARBURETOR) 1399-2015
-- REPAIR PARTS KIT (1 PER CARBURETOR) 1395-92621
-- REPAIR PARTS KIT (1 PER CARBURETOR) 1395-92621
36 GASKET, CARBURETOR FLANGE 27-757911
37 NUT, CARBURETOR MOUNTING STUD 11-29250

CARBURETOR LINKAGE AND CHOKE SOLENOID

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Below is the parts list for Mercury 500 CARBURETOR LINKAGE AND CHOKE SOLENOID:

Mercury 500 CARBURETOR LINKAGE AND CHOKE SOLENOID Diagram
Position No. Part Name OEM Number Supersedes
1 CHOKE SOLENOID, TOP COWL 0101 37585
2 TERMINAL, CHOKE SOLENOID LEAD 30050
3 SCREW, CHOKE SOLENOID TO FRONT BRACKET 10-26066
4 LOCKWASHER, CHOKE SOLENOID SCREW 13-8M0204647
5 NUT, CHOKE SOLENOID SCREW 11-22053
6 CLIP, CHOKE SOLENOID LEAD 54-33361
7 PLUNGER AND LINK ASSEMBLY, CHOKE SOLENOID 48315A4
8 WASHER, PLUNGER AND LINK 12-30164
9 COTTER PIN, LINK TO UPPER CHOKE SHUTTER 18-26953
10 KNOB, CHOKE ROD 90242A1
11 GROMMET, CHOKE KNOB 25-20116
12 "U" LINK, CHOKE ROD TO CHOKE KNOB 22462
12 "U" LINK, CHOKE ROD TO CHOKE KNOB 37591
13 SCREW, "U" LINK TO CHOKE KNOB 10-69022
14 LOCKWASHER, "U" LINK SCREW 13-26996
15 COTTER PIN, "U" LINK TO CHOKE ROD 18-210711
16 ROD, CHOKE 47958
16 ROD, CHOKE (NOT AS SHOWN) 38458
17 RIVET, CHOKE SHUTTER TO CHOKE ROD 17-25391
18 SHUTTER, CHOKE - CARBURETOR 38604
19 BUSHING, NYLON - UPPER CHOKE SHUTTER 23-30438
20 STUD, CARBURETOR - CHOKE SHUTTER PIVOT 16-30172
21 WASHER, CHOKE SHUTTER CARBURETOR STUD 12-30164
22 NUT, CHOKE SHUTTER TO CARBURETOR STUD 11-20110
23 CARBURETOR ASSEMBLY (SERIAL #2010162 AND BELOW) 1333-2539
23 CARBURETOR ASSEMBLY ( SERIAL #2010163 AND UP) 1333-2741
24A SPRING, TENSION - CHOKE ROD TO CARBURETOR SEE NOT BELOW 24-28965
25A SCREW, TENSION SPRING TO CARBURETOR 10-28713
26A RETAINER, SPRING 27711
24 STUD, TENSION SPRING TO CARBURETOR SEE NOTE BELOW 10-657461
25 SPACER, TENSION SPRING STUD 23-32427
26 NUT, TENSION SPRING STUD 11-8M0207775
27 SPRING, TENSION - CHOKE ROD TO CARBURETOR 24-37678
28 THROTTLE PICK-UP BRACKET ASSEMBLY 53719A2
29 SCREW, THROTTLE PICK-UP BRACKET MOUNTING 10-29239
30 CLUSTER, THROTTLE LEVER (UPPER CARBURETOR) 27917
31 SCREW, CLUSTER TO THROTTLE LEVER 1395-6027

CLAMP AND SWIVEL BRACKET ASSEMBLY

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Below is the parts list for Mercury 500 CLAMP AND SWIVEL BRACKET ASSEMBLY:

Mercury 500 CLAMP AND SWIVEL BRACKET ASSEMBLY Diagram
Position No. Part Name OEM Number Supersedes
1 CLAMP BRACKET ASSEMBLY 1440-1797A1
2 THUMB SCREW ASSEMBLY 28403A3
3 WASHER, THUMB SCREW 12-28404
4 TUBE, TILT - CLAMP BRACKET TO SWIVEL BRACKET 8M0041936 8M0035074, 883067, 30664 2, 74528
5 SHIM, CLAMP BRACKET TO SWIVEL BRACKET 12-52864
6 NUT, TILT TUBE FASTENING 11-858869 11-30499
7 CAP, PLASTIC - TILT TUBE ENDS 53078
8 STUD, CLAMP BRACKET 16-59625
9 SPACER, CLAMP BRACKET STUD 23-59624
10 LOCKWASHER, CLAMP BRACKET STUD 13-8M0204647
11 NUT, STUD TO CLAMP BRACKET 11-22053
12 TILT LOCK PIN ASSEMBLY 17-8M0026068 17-49930A 1
13 REVERSE LOCK ASSEMBLY 26903A3
14 COTTER PIN, REVERSE LOCK TO SHAFT 18-45882
15 SPRING, TENSION - REVERSE LOCK 24-29821
16 ROLL PIN, REVERSE LOCK SPRING ATTACHING 17-25598
17 SHAFT, REVERSE LOCK TO SWIVEL BRACKET 56349
18 SWIVEL BRACKET ASSEMBLY (SHORT SHAFT) 1442-2501A1
18 SWIVEL BRACKET ASSEMBLY (LONG SHAFT) 1442-2502A1
19 OIL SEAL, SWIVEL BRACKET 26-32911
20 FITTING, GREASE - SWIVEL BRACKET 22-69059
21 LUBRICAP, SWIVEL BRACKET GREASE FITTING 19-77633Q
23 LEVER, TILT STOP - PORT SIDE 29056
22 LEVER, TILT STOP - STARBOARD SIDE 29057
24 SCREW, ANCHOR - TILT STOP LEVER 10-27791
25 SPACER, TILT STOP LEVER ANCHOR SCREW 23-29055
26 SCREW, RETAINING - TILT STOP LEVER 10-27790
27 WASHER, WAVE - RETAINING SCREW (PORT SIDE) 13-20846
28 NUT, ANCHOR AND RETAINING SCREW 11-8M0207775
29 WASHER, SWIVEL PIN TO BOTTO YOKE (.060) 12-25176
29 WASHER, SWIVEL PIN TO BOTOTM YOKE (.065) 12-26837
30 YOKE, BOTTOM 77416T1
31 SWIVEL PIN AND STEERING ARM ASSY (SHORT SHAFT) 17-28418A5
31 SWIVEL PIN AND STEERING ARM ASSY (LONG SHAFT) 17-28419A5
32 SCREW, STEERING ARM TO RIDE GUIDE KIT 10-31830
33 NUT, STEERING ARM SCREW 11-8M0204726
34 BOLT, UPPER MOUNT TO SWIVEL PIN 10-33986
35 BUMPER, STEERING ARM 30711
36 NUT, RETAINING - SWIVEL PIN 11-71956
37 SERIAL PLATE 38-56267
38 SCREW, DRIVE - SERIAL PLATE TO SWIVEL BRACKET 10-25612
39 BOLT, CLAMP BRACKET TO BOAT TRANSOM 10-68298
40 WASHER, CLAMP BRACKET TRANSOM BOLT 12-68410
41 NUT, CLAMP BRACKET TRANSOM BOLT 11-82670912

COWLING AND FRONT COVER

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Below is the parts list for Mercury 500 COWLING AND FRONT COVER:

Mercury 500 COWLING AND FRONT COVER Diagram
Position No. Part Name OEM Number Supersedes
1 COWL FRONT COVER ASSEMBLY 2182-7927A5
1 COWL FRONT COVER ASSEMBLY 2182-7927A5
2 DECAL, "MERC 500" (#N.S.S.)
2 DECAL, "MERC 500" (#N.S.S.)
3 DECAL, FRONT COVER EMBLEM (#N.S.S.)
3 DECAL, FRONT COVER EMBLEM (#N.S.S.)
4 KNOB, COWL FRONT COVER FASTENING 56848
5 WASHER, COVER FASTENING KNOB 12-30771
6 WASHER, COVER FASTENING KNOB 12-27129
7 SPRING, TENSION - COVER FASTENING KNOB 24-30772
8 PIN, ROLL - TENSION SPRING TO KNOB 17-29077
9 BLANKET, SOUND ABSORBING 38674
10 SEAL, SOUND - LOWER SECTION 31095
11 SEAL, SOUND - UPPER SECTION 38133
12 WRAP AROUND COWL ASSEMBLY 2118-2499A2
12 WRAP AROUND COWL ASSEMBLY 2118-3247A3
13 HANDLE, COWL LATCH 21060
13 HANDLE, COWL LATCH 46785A1
14 PIN, HINGE - HANDLE TO COWL LATCH 17-21057
15 "E" RING, HANDLE TO COWL LATCH HINGE PIN 53-21058
16 SWIVEL, COWL LATCH 25690
16 SWIVEL, COWL LATCH 46785A1
17 HOOK, COWL LATCH FASTENING 25691
17 HOOK, COWL LATCH FASTENING 30413
18 DECAL, WRAP AROUND COWL - REAR (#N.S.S.)
19 DECAL, WRAP AROUND COWL - STARBOARD (#N.S.S.)
20 DECAL, WRAP AROUND COWL - PORT (#N.S.S.)
19 DECAL, WRAP AROUND COWL - STARBOARD (#N.S.S.)
20 DECAL, WRAP AROUND COWL - PORT (#N.S.S.)
21 BLANKET, SOUND ABSORBING 37794
-- GLUE (BLANKET ADHESIVE) 92-86166Q1

CRANKSHAFT, PISTON AND CONNECTING ROD

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Below is the parts list for Mercury 500 CRANKSHAFT, PISTON AND CONNECTING ROD:

Mercury 500 CRANKSHAFT, PISTON AND CONNECTING ROD Diagram
Position No. Part Name OEM Number Supersedes
1 NUT, FLYWHEEL 11-8M0214915
2 WASHER, FLYWHEEL NUT 12-33001
3 KEY, FLYWHEEL DRIVE 28-20094
4 CRANKSHAFT 400-2976A2
5 "O" RING, DRIVE SHAFT SPLINE 25-29619
6 CENTER MAIN BEARING ASSEMBLY 500-5345A4
7 DOWEL PIN, CENTER MAIN BEARING 17-20032
8 BEARING, NEEDLE 29-20046T
9 RACE, OUTER 20047
10 RING, SNAP - OUTER RACE CLAMPING 53-20048
11 SCREW, CENTER MAIN BEARING CLAMPING 10-28666
12 DOWEL PIN, (STEPPED) 17-20379
13 MAIN BEARING ASSEMBLY ( VALVE TYPE) 534-3267T25
14 DOWEL PIN, MAIN BEARING 17-20032
15 SCREW, MAIN BEARING CLAMPING (1/2") 10-25313
16 NUT, MAIN BEARING CLAMPING SCREW 11-29469
17 REED SET, MATCHED - MAIN BEARING 34-88498A1
18 REED STOP, MAIN BEARING REED VALVES 34-20053
19 SCREW, REED STOP MOUNTING (1/2") 10-77280
20 NUT, REED STOP MOUNTING SCREW 11-29469
21 PISTON AND PISTON PIN ASSEMBLY 724-2537A2
22 LOCK RING, PISTON PIN 40-20057
23 RING, PISTON 39-27841A12
24 CONNECTING ROD AND CAP ASSEMBLY (SEE NOTE BELOW) 600-2748A2
25 SCREW, CAP TO CONNECTING ROD 10-45379
26 NUT, CONNECTING ROD SCREW 11-20061
27 BEARING, NEEDLE - CRANKPIN 29-20046T
28 BEARING, NEEDLE - PISTON PIN 29-20063
29 WASHER, NEEDLE LOCATING 12-28121
-- PISTON AND PISTON PIN ASSEMBLY (.015 OVERSIZE) 724-2553A2
-- RING, PISTON (.015 OVERSIZE) 39-28616A12

CYLINDER BLOCK AND CRANKCASE ASSEMBLY

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Below is the parts list for Mercury 500 CYLINDER BLOCK AND CRANKCASE ASSEMBLY:

Mercury 500 CYLINDER BLOCK AND CRANKCASE ASSEMBLY Diagram
Position No. Part Name OEM Number Supersedes
1 END CAP ASSEMBLY, UPPER 1100-339A1
2 OIL SEAL 26-41953
3 "O" RING, UPPER END CAP 25-20081
4 BALL BEARING, UPPER END CAP 30-63742T
5 SHIM, UPPER END CAP TO CYL. BLOCK AND CRANKCASE 15-20082A1
6 SCREW, UPPER END CAP MOUNTING 10-29198
7 CYLINDER BLOCK AND CRANKCASE ASSEMBLY 831-4989A7
7 CYLINDER BLOCK AND CRANKCASE ASSEMBLY 831-4989A7
8 MOUNT, RUBBER - CRANKCASE 90435
9 NUT, CRANKCASE RUBBER MOUNT 11-8M0207775
10 DOWEL PIN, CYLINDER BLOCK TO MAIN BEARING 17-20032
11 DOWEL PIN, CYLINDER BLOCK TO CENTER MAIN BEARING 17-20323
12 PLUG, PIPE - WATER PRESSURE AND BALANCE TUBE HOLES 22-328022
13 STUD, CARBURETOR MOUNTING 16-64936
14 STUD, CRANKCASE TO DRIVE SHAFT HOUSING (1 9/16") 16-33111
15 DOWEL PIN, CRANKCASE TO CYLINDER BLOCK 17-43044
16 STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (3 7/16") 16-8M0034463 16-56297 2
17 STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (2 5/16") 16-34378
18 STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (1 15/16") 16-29989
19 CONNECTOR, WATER TELL TALE HOLE - CYLINDER BLOCK 22-291112
20 SCREW, CRANKCASE TO CYLINDER BLOCK (1 1/2") 10-78841
20 SCREW, CRANKCASE TO CYLINDER BLOCK (1 1/2") 10-78841
20 SCREW, CRANKCASE TO CYLINDER BLOCK (1 5/8") 10-69091
21 SCREW, CRANKCASE TO CYLINDER BLOCK (2 3/4") 10-22039
22 WASHER, CRANKCASE SCREW 12-20084
23 NUT, CRANKCASE SCREW 11-29250
24 SCREW, MAIN BEARING LOCKING 10-98260
25 TAB WASHER, BEARING LOCKING SCREW 14-20091
26 SCREW, CENTER MAIN BEARING LOCKING 10-20359
27 END CAP ASSEMBLY, LOWER 1102-4181A3
28 CHECK VALVE ASSEMBLY, LOWER END CAP 21-28481A1
29 OIL SEAL, LOWER 26-29478
30 OIL SEAL, UPPER 26-41953
31 "O" RING, LOWER END CAP 25-20081
32 BALL BEARING, LOWER END CAP 30-63742T
33 SHIM, LWOER END CAP TO CRANKCASE AND CYL. BLOCK 15-20085A1
34 SCREW, LOWER END CAP MOUNTING 10-29198
35 TUBE, BALANCE - MAIN BEARING 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
36 CONNECTOR, BALANCE TUBE TO CYLINDER BLOCK 22-291112
37 CLAMP, BALANCE TUBE TO CONNECTORS 54-20386
38 GASKET, CYLINDER BLOCK TO BAFFLE PLATE 27-36393
39 PLATE, BAFFLE - EXHAUST MANIFOLD 36394
39 PLATE, BAFFLE - EXHAUST MANIFOLD 90421T01
40 GASKET, BAFFLE PLATE TO EXHAUST COVER 27-37277
41 COVER, EXHAUST MANIFOLD 46112A3
41 COVER, EXHAUST MANIFOLD 46112A3
42 SCREW, MANIFOLD COVER TO CYLINDER BLOCK (7/8") 10-28782
42 SCREW, MANIFOLD COVER TO CYLINDER BLOCK (1") 10-37562
43 SCREW, MANIFOLD COVER TO HIGH TENSION LEAD CLIP 10-90073
43 SCREW, MANIFOLD COVER TO HIGH TENSION LEAD CLIP 10-39661
44 CLIP, HIGH TENSION LEAD 54-52905
45 COVER, CYLINDER BLOCK 1017-7054A1
46 GASKET, CYLINDER BLOCK COVER 27-85487
47 SCREW, CYLINDER BLOCK COVER MOUNTING 10-20653
48 NUT, COVER MOUNTING SCREW 11-8M0207775
49 MOUNT, RUBBER - CYLINDER BLOCK COVER 90435
50 NUT, CYLINDER BLOCK COVER RUBBER MOUNT 11-8267089
51 COVER, TRANSFER PORT 27935
52 GASKET, TRANSFER PORT COVER 27-279361
53 SCREW, TRANSFER PORT COVER MOUNTING (HEX HEAD) 10-20540
53 SCREW, TRANSFER PORT COVER MOUNTING (CAP HEAD) 10-28635
54 CHECK VALVE ASSEMBLY, BLEED HOSE (UPPER) 22-62365A1
55 CHECK VALVE ASSEMBLY, BLEED HOSE VALVE 21-28481A1
56 HOSE, CYLINDER BLEED (6 1/2") 32-9912688
57 CONNECTOR, CYLINDER BLEED HOSE (LOWER) 22-67902
58 CLAMP, BLEED HOSE TO CHECK VALVE AND CONNECTOR 54-20387

DRIVE SHAFT HOUSING ASSEMBLY

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Below is the parts list for Mercury 500 DRIVE SHAFT HOUSING ASSEMBLY:

Mercury 500 DRIVE SHAFT HOUSING ASSEMBLY Diagram
Position No. Part Name OEM Number Supersedes
1 DRIVE SHAFT HOUSING ASSEMBLY (SHORT SHAFT) 1554-3910A2
1 DRIVE SHAFT HOUSING ASSEMBLY (LONG SHAFT) 1553-2488A1
2 STUD, DRIVE SHAFT HOUSING TO GEAR HOUSING (1 3/4") 16-8M0022145 16-57932
3 STUD, DRIVE SHAFT HOUSING TO GEAR HOUSING (3") 16-57935
4 PLUG, PLASTIC - WATER PICK-UP SCREW HOLE 19-32298
5 NUT, GEAR HOUSING TO DRIVE SHAFT HOUSING STUDS (7/16") 11-8M0204653
6 ROD, PUSH - REVERSE LOCK (SHORT SHAFT) 28470
6 ROD, PUSH - REVERSE LOCK (LONG SHAFT) 28593
7 COTTER PIN, PUSH ROD TO REVERSE LOCK 18-25191
8 SPRING, TENSION - PUSH ROD 24-25122
9 PIN, REVERSE LOCK LEVER 17-24887
10 LEVER, REVERSE LOCK 52920
11 PLUG, GREASE - REVERSE LOCK HOLE 22-390721
12 COVER, LOWER MOUNT CLAMP 35474T
13 SCREW, COVER TO LOWER MOUNT CLAMP 10-29722
14 NUT, LOWER MOUNT CLAMP COVER 11-35521
15 CLAMP, LOWER MOUNT TO DRIVE SHAFT HOUSING 69592F1
16 SCREW, LOWER MOUNT CLAMP TO DRIVE SHAFT HOUSING 10-29256
17 SPRING, TENSION - LOWER MOUNT CLAMP 24-35522
18 MOUNT, RUBBER - LOWER 75304T1
19 BUMPER, RUBBER - LOWER MOUNT SCREW 25067
20 SCREW, LOWER MOUNT (5 1/2") 10-75284
21 WASHER, LOWER MOUNT SCREW 12-28051
22 WASHER, RUBBER - LOWER MOUNT SCREW 12-28053
23 WASHER, LOWER MOUNT SCREW 12-30119
24 NUT, LOWER MOUNT SCREW 11-25096
25 MOUNT, RUBBER - UPPER 75305
26 PACKING, "U" CUP - UPPER MOUNT COVERS 24929
27 COVER, UPPER MOUNT - OUTSIDE HALF 79680A1
28 COVER, UPPER MOUNT - INSIDE HALF 79680A1
29 SCREW, UPPER MOUNT COVER - REAR (1 1/2") 10-28772
30 SCREW, UPPER MOUNT COVER - FRONT (1 3/4") 10-37941
31 NUT, UPPER MOUNT COVER FASTENING SCREW 11-35888
32 WASHER, UPPER MOUNT BOLT (37/64 ID) 12-30520
33 WASHER, RUBBER - UPPER MOUNT BOLT 12-30521
34 WASHER, UPPER MOUNT BOLT (3/8 ID) 12-30519
35 NUT, UPPER MOUNT BOLT 11-23161
36 GASKET, EXHAUST EXTENSION PLATE TO DRIVE SHAFT HOUSING 27-385011
37 NUT, POWERHEAD TO DRIVE SHAFT HOUSING STUDS (5/16") 11-862902 11-25594
38 TUBE, EXHAUST (SHORT SHAFT) 695431
38 TUBE, EXHAUST (LONG SHAFT) 37719
39 SLEEVE, WATER INLET TUBE 23-23651
40 TUBE, WATER INLET (SHORT SHAFT) 32-37727
40 TUBE, WATER INLET (LONG SHAFT) 32-37726
41 SEAL, TRIM COVER TO DRIVE SAHFT HOUSING 38157
42 STRIP, RETAINING - TRIM COVER SEAL (SIDE) 38154
43 STRIP, RETAINING - TRIM COVER SEAL (REAR) 38158
44 SCREW, RETAINING STRIP TO DRIVE SHAFT HOUSING 10-37571
45 WASHER, RETAINING STRIP SCREW 12-30164
46 COVER, TRIM - DRIVE SHAFT HOUSING 37687
47 DECAL, TRIM COVER - PORT NOT AS SHOWN (#N.S.S.)
48 DECAL, TRIM COVER - STARBOARD NOT AS SHOWN (#N.S.S.)
47 DECAL, TRI COVER - PORT (#N.S.S.)
48 DECAL, TRI COVER - STARBOARD (#N.S.S.)
49 SCREW, TRIM COVER TO DRIVE SHAFT HOUSING 10-37571

FLYWHEEL ASSEMBLY AND STATOR

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Below is the parts list for Mercury 500 FLYWHEEL ASSEMBLY AND STATOR:

Mercury 500 FLYWHEEL ASSEMBLY AND STATOR Diagram
Position No. Part Name OEM Number Supersedes
1 NUT, FLYWHEEL 11-8M0214915
2 WASHER, FLYWHEEL NUT 12-33001
3 KEY, FLYWHEEL DRIVE 28-20094
4 FLYWHEEL ASSEMBLY 223-2402A7
4 FLYWHEEL ASSEMBLY 223-2402A13
4 FLYWHEEL ASSEMBLY 223-2403A18
5 RATCHET, FLYWHEEL - FLEX PLATE 50-35817
5 RATCHET, FLYWHEEL - FLEX PLATE 50-39837
6 SCREW, PLATE AND RATCHET TO FLYWHEEL HUB 10-32417
7 SCREW, FLEX PLATE TO FLYWHEEL 10-96138
8 PIN, DOWEL - PULLEY TO FLYWHEEL 17-26618
9 FLANGE, FLYWHEEL PULLEY 29788
10 PULLEY, FLYWHEEL 30306
11 HUB, FLANGE - FLYWHEEL PULLEY 29787
12 STATOR, ALTERNATOR - FLYWHEEL 398-2171
13 SCREW, STATOR TO UPPER END CAP 10-57021
14 CLAMP, STATOR LEAD TO CRANKCASE 54-24836
15 SCREW, STATOR LEAD CLAMP FASTENING 10-8M0113176
16 "D" WASHER, STATOR LEAD CLAMP SCREW 8M0084613 69205

FUEL PUMP ASSEMBLY

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Below is the parts list for Mercury 500 FUEL PUMP ASSEMBLY:

Mercury 500 FUEL PUMP ASSEMBLY Diagram
Position No. Part Name OEM Number Supersedes
1 FUEL PUMP ASSEMBLY 30269A2
2 GASKET, CHECK VALVE TO HOUSING 27-23005
3 VALVE, CHECK 21-8M0082362 21-30430, 21-F177330, F84330-1
4 RETAINER, CHECK VALVE 23004
5 SCREW, RETAINER TO HOUSING 10-43725
6 GASKET, FUEL PUMP 27-24863
7 DIAPHRAGM, FUEL PUMP 23014A1
8 COVER, FUEL PUMP 23008
9 GASKET, FUEL PUMP COVER 27-30276
10 SCREW, FUEL PUMP MOUNTING (1 3/4") 10-30274
11 SCREW, FUEL PUMP MOUNTING (1 1/2") 10-29878
12 CONNECTOR, PUMP INLET TO FUEL LINE 24-24949
13 SLEEVE, RUBBER - CONNECTOR 22-22946
14 NUT, CONNECTOR TO FUEL LINE 22-22948
15 FUEL LINE, PUMP TO LOWER AND UPPER FILTER 32-32094
16 ELBOW, FUEL PUMP INLET 22-22995
17 SLEEVE, RUBBER 22-22946
18 NUT, ELBOW 22-22948
19 FUEL LINE, FUEL PUMP TO ADAPTOR 32-30036
20 CONNECTOR, FUEL LINE TO ADAPTOR 22-37682
21 ADAPTOR, CHECK UNIT (FUEL LINE) 30186
22 STEM, CHECK UNIT ADAPTOR 30187
23 "O" RING, ADAPTOR STEM 25-16524
24 SPRING, ADAPTOR STEM 24-30189
25 CUP WASHER, ADAPTOR 30188
26 SCREW, ADAPTOR TO BOTTOM COWL (1 3/4") 10-69029
26 SCREW, ADAPTOR TO BOTTOM COWL (2") 10-21937
27 NUT, ADAPTOR SCREW 11-8M0207775

GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 1)

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Below is the parts list for Mercury 500 GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 1):

Mercury 500 GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 1) Diagram
Position No. Part Name OEM Number Supersedes
- GEAR HOUSING ASSEMBLY, COMPLETE (SHORT SHAFT) SEE NOTE BEL 1626-2470A3
- GEAR HOUSING ASSEMBLY, COMPLETE (LONG SHAFT) 1626-2470A4
- GEAR HOUSING ASSEMBLY, COMPLETE (SHORT SHAFT) 1626-3927A7
- GEAR HOUSING ASSEMBLY, COMPLETE (LONG SHAFT) 1626-2470A19
1 GEAR HOUSING ASSEMBLY 1626-2470A16
1 GEAR HOUSING ASSEMBLY 1626-2470A16
2 BEARING, ROLLER - DRIVE SHAFT 31-62091T
3 STUD, WATER PUMP BODY AND BASE TO GEAR HOUSING 16-57934
4 STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING 16-32017
4 STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING 16-8M0034453 16-57933
5 WASHER, GEAR HOUSING STUD 12-45176
6 PLATE, SUPPORT - EXHAUST TUBE SEAL 92815
7 SEAL, EXHAUST TUBE 37721001
8 GEAR, PINION - DRIVE SHAFT 43-20834
9 TAB WASHER, PINION GEAR SCREW 14-29163
10 SCREW, PINION GEAR TO DRIVE SHAFT 10-20925
11 SHAFT, SHIFT - LOWER 56622A1
12 CLIP, RETAINING - SHIFT SHAFT 53-29641
13 "O" RING, SHIFT SHAFT BUSHING 25-25439
14 BUSHING ASSEMBLY, SHIFT SHAFT 23-46284A1
14 BUSHING ASSEMBLY, SHIFT SHAFT 23-46284A1
15 OIL SEAL, SHIFT SHAFT BUSHING 26-892361
16 WASHER, RUBBER - SHIFT SHAFT BUSHING 12-31266
17 CAM, LOWER - REVERSE LOCKING 52918
18 CAM, UPPER - REVERSE LOCKING 52919
19 DRIVE SHAFT (SHORT SHAFT) 45-38466
19 DRIVE SHAFT (LONG SHAFT) 45-38467
20 SHIM, BEARING TO GEAR HOUSING 15-20929A1
21 BEARING, BALL - DRIVE SHAFT 30-72961
22 RING, SNAP - BALL BEARING RETAINING 53-29116
23 SHIM, BEARING TO WATER PUMP BASE 15-20929A1
24 GASKET, WATER PUMP BASE TO GEAR HOUSING 27-32771
25 "O" RING, WATER PUMP BASE 25-26855
26 WATER PUMP BASE ASSEMBLY 46-39531A1
26 WATER PUMP BASE ASSEMBLY 46-39531A1
27 OIL SEAL, WATER PUMP BASE 26-79831
28 OIL SEAL, WATER PUMP BASE 26-90562
29 DOWEL PIN, WATER PUMP BASE TO WATER PUMP BODY 17-35973
30 GASKET, LOWER - WATER PUMP BASE TO FACE PLATE 27-19553
31 PLATE, FACE - WATER PUMP BASE TO WATER PUMP BODY 32768
32 GASKET, UPPER - FACE PLACE TO WATER PUMP BODY 27-19551
33 IMPELLER, WATER PUMP 47-89983T
34 PIN, IMPELLER DRIVE 28-8M0032837 28-56662
35 SEAL, WATER PUMP BODY TO WATER TUBE (USE THRU SERIAL #18112 26-25192
35 SEAL, WATER PUMP BODY TO WATER TUBE STARTED WITH SERIAL # Comment: SERIAL 00000000-01811268 26-38452
36 WASHER, CUPPED - WATER TUBE SEAL Comment: SERIAL 01811269-09999999 12-38453
37 WATER PUMP BODY ASSEMBLY Comment: SERIAL 01811269-09999999 46-60366Q1
38 INSER, WATER PUMP BODY 32001
39 OIL SEAL, WATER PUMP BODY 26-32121
40 LOCKWASHER, WATER PUMP BODY AND BASE STUDS 13-26992
41 NUT, WATER PUMP BODY AND BASE STUDS 11-29598
42 RING, RUBBER - CENTRIFUGAL SLINGER 25-20273
43 "O" RING, UPPER - DRIVE SHAFT 25-29619
44 SCREW, GEAR HOUSING FLUSHING HOLE 10-29608
45 GASKET, GEAR HOUSING FLUSHING HOLE SCREW 27-8M0214916
46 SEAL, GEAR HOUSING FLUSHING HOLE SCREW 26-8M0214917
47 SCREW, GREASE FILLER AND VENT HOLE 10-79953Q04
48 WASHER, GREASE FILLER AND VNET HOLE SCREW 12-191833

GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 2)

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Below is the parts list for Mercury 500 GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 2):

Mercury 500 GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 2) Diagram
Position No. Part Name OEM Number Supersedes
- GEAR HOUSING ASSEMBLY, COMPLETE (SHORT SHAFT) SEE NOTE BEL 1626-2470A3
- GEAR HOUSING ASSEMBLY, COMPLETE (LONG SHAFT) 1626-2470A4
- GEAR HOUSING ASSEMBLY, COMPLETE (SHORT SHAFT) 1626-3927A7
- GEAR HOUSING ASSEMBLY, COMPLETE (LONG SHAFT) 1626-2470A19
1 GEAR HOUSING ASSEMBLY SEE PAGE 27 FOR PARTS BREAKDOWN 1626-2470A16
1 GEAR HOUSING ASSEMBLY SEE PAGE 27 FOR PARTS BREAKDOWN 1626-2470A16
49 TRIM TAB, GEAR HOUSING 97-31640Q4
50 SCREW, TRIM TAB TO GEAR HOUSING 10-32470
51 CAM, SHIFT 760394
52 FOLLOWER, CAM 20930
52 FOLLOWER, CAM 38441
53 SLIDE, CROSS PIN 20843
54 SPRING, COMPRESSION - CAM FOLLOWER 24-20254
54 SPRING, COMPRESSION - CAM FOLLOWER 24-39845
55 SHIM, BEARING CUP TO GEAR HOUSING 15-31154A1
-- FORWARD GEAR ASSEMBLY, COMPLETE 43-39941A2
56 FORWARD GEAR ASSEMBLY 43-20975A5
56 FORWARD GEAR ASSEMBLY 43-39941A2
57 BEARING, ROLLER - FORWARD GEAR 31-20249
58 TAPERED ROLLER BEARING ASSEMBLY 31-31215A1
59 CUP, TAPERED ROLLER BEARING 31-31216
60 RATCHET, SLIDING CLUTCH 52-32189
60 RATCHET, SLIDING CLUTCH 52-92911T
61 PIN, CROSS - RATCHET TO PROPELLER SHAFT 17-20841
61 PIN, CROSS - RATCHET TO PROPELLER SHAFT 17-8M0020942 17-38113
62 RING, RETAINING - CROSS PIN 53-20842
62 SPRING, RETAINING - CROSS PIN 24-38114
63 SHAFT, PROPELLER 44-32000
63 SHAFT, PROPELLER 44-38127
-- REVERSE GEAR ASSEMBLY, COMPLETE 43-39942
64 REVERSE GEAR ASSEMBLY 43-20975A5
64 REVERSE GEAR ASSEMBLY 43-39942
65 WASHER, THRUST - REVERSE GEAR 12-32004
66 BEARING, BALL - REVERSE GEAR 30-20839T
67 SHIM, THRUST WASHER TO GEAR HOUSING 15-20927A1
68 "O" RING, BEARING CARRIER 25-31986
69 BEARING CARRIER ASSEMBLY Comment: SERIAL 00000000-#1811268 53014T1
70 BEARING, ROLLER - BEARING CARRIER Comment: SERIAL 00000000-#1811268 31-20249
71 OIL SEAL, BEARING CARRIER Comment: SERIAL 00000000-#1811268 26-90562
69 BEARING CARRIER ASSEMBLY Comment: SERIAL 01811269-09999999 53014T1
70 BEARING, ROLLER - BEARING CARRIER Comment: SERIAL 01811269-09999999 31-20249
71 OIL SEAL, BEARING CARRIER Comment: SERIAL 01811269-09999999 26-90562
71 OIL SEAL, BEARING CARRIER Comment: SERIAL 01811269-09999999 26-23517
72 KEY, LOCATING - BEARING CARRIER 28-30281
73 WASHER, GEAR HOUSING COVER 12-31993
74 COVER, GEAR HOUSING 11-87763
75 WASHER, DRIVE SHAFT HOUSING STUD (3/8") 12-8M0214963
76 NUT, DRIVE SHAFT HOUSING TO GEAR HOUSING (3/8") 11-8M0204726
77 WASHER, DRIVE SAHFT HOUSING STUD (7/16") 12-45176
78 NUT, DRIVE SHAFT HOUSING TO GEAR HOUSING (7/16") 11-8M0204653
79 WASHER, BACKING - PROPELLER SHAFT (1/8") 12-25251
80 THRUST HUB AND WASHER ASSEMBLY 38859A1
80 THRUST HUB AND WASHER ASSEMBLY 38859A1
81 WASHER, CUPPED - THRUST HUB 12-31992
82 WASHER, SPLINED - PROPELLER SHAFT 12-32007
83 NUT, PROPELLER 11-82671120

MAGNETO ADAPTOR AND PILOT ASSEMBLY

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Below is the parts list for Mercury 500 MAGNETO ADAPTOR AND PILOT ASSEMBLY:

Mercury 500 MAGNETO ADAPTOR AND PILOT ASSEMBLY Diagram
Position No. Part Name OEM Number Supersedes
1 MAGNETO ASSEMBLY, COMPLETE (4D-4) 394-2271A2
2 SHAFT, MAGNETO DRIVE 45-27951
- MAGNETO ADAPTOR AND PILOT ASSEMBLY, COMPLETE 29321A9
3 MAGNETO PILOT ASSEMBLY 39560A1
3 MAGNETO PILOT ASSEMBLY 39560A1
4 BALL BEARING, MAGNETO PILOT 30-20066
5 SPRING, HORSESHOE - MAGNETO PILOT 24-27944
6 PIN, ANCHOR - HORSESHOE SPRING TO PILOT 17-27962
7 WASHER, HORSESHOE SPRING TO ANCHOR PIN 12-8M0204649
8 ECONOMIZER COLLAR AND PIN ASSEMBLY 27946A1
9 PIN, ECONOMIZER COLLAR - SPRING RETAINER 17-27961
10 FITTING, GREASE - ECONOMIZER COLLAR 22-25094
11 THROTTLE ACTUATOR ASSEMBLY 38230A1
12 BUSHING, NYLON - THROTTLE ACTUATOR 23-26602
13 SCREW, THROTTLE ACTUATOR TO ECONOMIZER COLLAR 10-31009
14 ADAPTOR, MAGNETO 66856A1
15 FITTING, GREASE - MAGNETO ADAPTOR 22-25094
16 WASHER, MAGNETO PILOT 12-27939
17 TAB WASHER, ADAPTOR CAP FASTENING 14-27960
18 WASHER, WAVE - MAGNETO BALL BEARING TENSION 13-27959
19 CAP, MAGNETO ADAPTOR AND PILOT FASTENING 27955
20 SWIVEL, LINKAGE - ECONOMIZER COLLAR 27947
21 SWIVEL AND LINK ROD ASSEMBLY 25996A1
22 NUT, UPPER LINK ROD ADJUSTING 11-25168
23 ROD, LINK - UPPER 37700
24 SWIVEL, UPPER LINK ROD TO THROTTLE CONTROL LEVER 27948
25 LEVER, THROTTLE CONTROL 53143A2
26 SCREW, THROTTLE LEVER TO EXHAUST COVER 10-98556
27 WASHER, THROTTLE LEVER SCREW 12-8M0042641 12-29395
28 BUSHING, THROTTLE LEVER SCREW 23-29529
29 SPRING, QUICK DISCONNECT - THROTTLE CABLE TO THROTTLE LEVER 24-37934
30 SCREW, ANCHOR - QUICK DISCONNECT SPRING TO THROTTLE LEVER 10-38069
31 SCREW, ADAPTOR AND PILOT TO MAGNETO 10-30110
32 SCREW ADAPTOR AND PILOT TO CRANKCASE 10-78841
33 WASHER, ADAPTOR AND PILOT TO CRANKCASE SCREW 12-20084
34 NUT, ADAPTOR AND PILOT TO CRANKCASE SCREW 11-22053
35 KEY, MAGNETO DRIVING 28-28657
36 HUB, DRIVEN PULLEY 29784
37 DRIVEN PULLEY ASSEMBLY 29783A1
38 PIN, ROLL - FLANGE LOCATING 17-24873
39 FLANGE, DRIVEN PULLEY 29785
40 WASHER, PULLEY CLAMPING SCREW 12-20138
41 SCREW, PULLEY CLAMPING 10-32228
42 BELT, TIMING 20140
43 PLATE, THROTTLE STOP 53458
44 DECAL, THROTTLE STOP PLATE (STOP ADJUSTMENTS) (#N.S.S.)
44 DECAL, THROTTLE STOP PLATE (STOP ADJUSTMENTS) (#N.S.S.)
45 SCREW, THROTTLE STOP ADJUSTING 10-24933
46 NUT, THROTTLE STOP ADJUSTING SCREW 11-20088
47 CAP, NYLON - ADJUSTING SCREW 26852
48 SCREW, THROTTLE STOP PLATE TO ADAPTOR 10-69035
49 GROUND STRAP, THROTTLE STOP PLATE SCREW 37996
50 WASHER, UPPER SWIVEL TO THROTTLE LEVER 12-8M0204649
51 NUT, UPPER SWIVEL TO THROTTLE LEVER 11-826709109 11-33825, 11-35045
52 SPARK PLUG 33-813413 33-30578
53 PROTECTOR, SPARK PLUG 85-63709A1
54 CABLE, HIGH TENSION LEAD - SPARK PLUG 84-821945A46 84-813706A46, 52615A 1
55 "O" RING, HIGH TENSION LEAD CABLE TO END CAP COVER 25-25429
56 CLIP, HARNESS LEADS TO MAGNETO 54-25231
57 SCREW, LEAD CLIP TO MAGNETO 10-20401
58 "D" WASHER, CLIP FASTENING SCREW 8M0084613 69205
59 GROUND STRAP ASSEMBLY, MAGNETO TO CRANKCASE 394-1134A1
60 SLEEVE, HIGH TENSION LEAD (3") 32-46768

MAGNETO ASSEMBLY (INTERNAL PARTS)

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Below is the parts list for Mercury 500 MAGNETO ASSEMBLY (INTERNAL PARTS):

Mercury 500 MAGNETO ASSEMBLY (INTERNAL PARTS) Diagram
Position No. Part Name OEM Number Supersedes
- MAGNETO ASSEMBLY, COMPLETE 394-2271A2
1 FRAME, MAGNETO HOUSING 394-1570
2 SCRE, SET - COIL BRIDGE 10-25510
3 LOCKWIRE, COIL BRIDGE SET SCREW 394-1051
4 BEARING, BALL (DRIVE END) 30-24998
5 MAGNETIC ROTOR AND SHAFT 394-1067A1
6 BEARING, BALL (OPPOSITE DRIVE END) 30-49090
7 SUPPORT, BALL BEARING 394-1637
8 SCREW AND LOCKWASHER, SUPPORT TO FRAME 10-25509
9 WIRE ASSEMBLY, PRIMARY GROUND LEAD 84-60466A13
10 SCREW, PRIMARY GROUND 10,10-29182
11 WASHER, PRIMARY GROUND TERMINAL 12-30267
12 INSULATOR, PRIMARY GROUND TERMINAL 394-1579
13 WASHER, INSULATING - PRIMARY GROUND SCREW 12-29099
14 BUSHING, INSULATING - HOUSING FRAME 23-62769
15 WASHER, PRIMARY GROUND SCREW 12-26014
16 NUT, LOCK - PRIMARY GROUND SCREW 11-24656
17 NUT, PRIMARY GROUND SCREW 11-68219
18 COIL ASSEMBLY 394-1128A1
19 CLIP, COIL - HIGH TENSION 394-1050
20 LOCKWASHER, COIL TERMINAL 13-23836
21 NUT, COIL CLIP FASTENING 394-1131
22 BREAKER ASSEMBLY 393-1504A11
23 GROMMET, PLASTIC - BREAKER BRACKET 393-1586
24 STUD, PRIMARY LEAD AND TENSION SPRING 16-29230
25 NUT, PRIMARY LEAD FASTENING 11-29236
26 HOLDER AND CAM WICK ASSEMBLY 394-1106A1
27 "E" RING, BREAKER TO PIVOT PIN 53-21058
28 SCREW, BREAKER HOLDER TO HOUSING 10-20597
29 CONDENSER 394-1130A1
30 SCREW AND LOCKWASHER, CONDENSER FASTENING 10-25509
31 GASKET, MAGNETO COVER 27-29166
32 COVER, MAGNETO 394-1577A2
33 SCREW, COVER TO FRAME 10-29418
34 TAB WASHER, COVER FASTENING SCREW 14-29157
35 MAGNETO ROTOR ASSEMBLY 394-2602A1
36 CLIP, SPRING 394-1110
37 GASKET, END CAP COVER 27-25725
38 END CAP COVER ASSEMBLY 394-1561A2
39 BRUSH AND SPRING ASSEMBLY 394-1056A1
40 SCREW, HIGH TENSION CABLE FASTENING 10-25517
41 SCREW, END CAP COVER TO MAGNETO COVER 10-29418
42 TAB WASHER, COVER FASTENING SCREW 14-29157
43 ELBOW, PLASTIC - MAGNETO COVER VENT 22-996642

STARTER MOTOR, STARTER SOLENOID, RECTIFIER & WIRING HARNESS

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Below is the parts list for Mercury 500 STARTER MOTOR, STARTER SOLENOID, RECTIFIER & WIRING HARNESS:

Mercury 500 STARTER MOTOR, STARTER SOLENOID, RECTIFIER & WIRING HARNESS Diagram
Position No. Part Name OEM Number Supersedes
1 RECTIFIER ASSEMBLY 32177A2 29691
2 LOCKWASHER, RECTIFIER MOUNTING SCREW 13-8M0204647
3 NUT, RECTIFIER MOUNTING SCREW 11-21929
4 SLEEVE, RECTIFIER LEADS 32-28373
5 SCREW, HARNESS AND STATOR TO RECTIFIER 10-35400
6 NUT, HANRESS AND STATOR LEADS SCREW 11-8M0204718
7 TERMINAL BLOCK 30212
8 SCREW, TERMINAL BLOCK TO CYLINDER BLOCK 10-72169
9 SCREW, WIRING HARNESS LEADS TO TERMINAL BLOCK 10-62568
10 STARTER MOTOR ASSEMBLY Comment: SERIAL 00000000-01857029 50-55601A2
10 STARTER MOTOR ASSEMBLY Comment: SERIAL 01857030-09999999 50-55601A2
11 SCREW, STARTER MOTOR TO CRANKCASE FLANGE 10-22698
12 LOCKWASHER, STARTER MOTOR SCREW 13-8M0204647
13 WIRE, STARTER MOTOR TO STARTER SOLENOID 84-93389A12
14 SCREW, GROUND WIRE TO STARTER MOTOR 10-69035
15 LOCKWASHER, GROUND WIRE FASTENING SCREW 13-26992
-- NUT, GROUND WIRE SCREW 11-20890
16 GROUND STRAP ASSEMBLY 28016A1
17 STARTER SOLENOID 32445A1
18 LOCKWASHER, SOLENOID TERMINAL 10,13-26996
19 NUT, SOLENOID TERMINAL 10,11-68219
20 LOCKWASHER, SOLENOID TERMINAL (5/16") 13-8M0204647
21 NUT, SOLENOID TERMINAL - INSIDE (5/16") 11-22053
22 NUT, CAP - SOLENOID TERMINAL - OUTSIDE (5/16") 11-26062
23 SCREW, STARTER SOLENOID TO STARTER MOTOR 10-29238
24 WIRING HARNESS (INTERNAL) 38072
25 PLATE, BACKING - WIRING HARNESS 26079A2
26 SCREW, BACKING PLATE TO BOTTOM COWL 10-45893
27 SPRING, GARTER - INTERNAL WIRING HARNESS 24-28975
28 "S" CLIP, WIRING HARNESSS LEAD TO BOTTOM COWL 54-22783

TOP COWL ASSEMBLY AND SUPPORT BRACKETS (ELECTRIC)

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Below is the parts list for Mercury 500 TOP COWL ASSEMBLY AND SUPPORT BRACKETS (ELECTRIC):

Mercury 500 TOP COWL ASSEMBLY AND SUPPORT BRACKETS (ELECTRIC) Diagram
Position No. Part Name OEM Number Supersedes
1 HANDLE, CHROME - TOP COWL 37679
2 HANDLE, INSIDE - TOP COWL 37689
3 PAD, BUMPER - TOP COWL HANDLE 35496
4 WASHER, TOP COWL HANDLE STUD (9/16" O.D.) 12-20533
5 WASHER, TOP COWL HANDLE STUD (3/4" O.D.) 12-69057
6 NUT, TOP COWL HANDLE STUD 11-21825
7 SCREW, HANDLE TO TOP COWL (1") 10-35386
8 LOCKWASHER, HANDLE TO TOP COWL SCREW 13-8M0204647
9 TOP COWL 2117-4068A1
10 BRACKET, TOP COWL LATCH 37411
11 SCREW, LATCH BRACKET TO TOP COWL 10-37560
12 NUT, LATCH BRACKET SCREW 11-37556
13 SHIELD, REAR - TOP COWL 27690
14 SCREW, REAR SHIELD TO TOP COWL 10-37370
15 LOCKWASHER, REAR SHIELD SCREW 13-37371
16 DECAL, REAR SHIELD - "MERC 500" (#N.S.S.)
16 DECAL, REAR SHIELD - "MERC 500" (#N.S.S.)
17 TRIM MOULDING ASSEMBLY, TOP COWL 37702A1
18 BRACKET, TENSION - TRIM MOULDING 34433
19 SCREW, BRACKET AND TRIM MOULDING TO TOP COWL 10-23015
20 WASHER, BRACKET FASTENING SCREW 12-34434
21 NUT, BRACKET FASTENING SCREW 11-20110
22 BRACKET, REAR COWL SUPPORT 52899
23 MOUNT, RUBBER - REAR SUPPORT BRACKET 37640
24 LOCKWASHER, REAR SUPPORT BRACKET RUBBER MOUNT 13-8M0204647
25 WASHER, REAR SUPPORT BRACKET RUBBER MOUNT 12-26825
26 NUT, REAR SUPPORT BRACKET RUBBER MOUNT 11-22053
27 LEVER, CLAMPING - TOP COWL 37412
28 BUSHING, TOP COWL CLAMPING LEVER (NYLON) 23-26819
29 BUSHING, TOP COWL CLAMPING LEVER (RUBBER) 23-31293
30 FASTENER, TOP COWL CLAMPING LEVER 11-30428
31 PIN, ROLL - TOP COWL CLAMPING LEVER 17-29077
32 GROMMET, CHOKE KNOT - FRONT SUPPORT BRACKET 25-20116
33 BRAKCET ASSEMBLY, FRONT SUPPORT 47904A2
34 FLANGE, RUBBER - FRONT SUPPORT BRACKET 37921
35 TUBE, DRAIN - FRONT SUPPORT BRACKET TO BOTTOM COWL 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
36 SCREW, FRONT SUPPORT BRACKET TO BOTTOM COWL (1") 10-35386
37 MOUNT, RUBBER - FRONT SUPPORT BRACKET 31014
38 LOCKWASHER, FRONT SUPPORT BRACKET RUBBER MOUNT 13-26992
39 WASHER, FRONT SUPPORT BRACKET RUBBER MOUNT 12-69057
40 NUT, FRONT SUPPORT BRACKET RUBBER MOUNT 11-20088
41 STARTER CABLE (FOR MANUAL STARTING ONLY) 47341A11
-- DECAL, TOP COWL - MANUAL STARTING INSTRUCTIONS (#N.S.S.)
-- DECAL, TOP COWL - MANUAL STARTING INSTRUCTIONS (#N.S.S.)

TOP COWL ASSEMBLY, STARTER SHEAVE & SUPPORT BRACKETS MANUAL

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Below is the parts list for Mercury 500 TOP COWL ASSEMBLY, STARTER SHEAVE & SUPPORT BRACKETS MANUAL:

Mercury 500 TOP COWL ASSEMBLY, STARTER SHEAVE & SUPPORT BRACKETS MANUAL Diagram
Position No. Part Name OEM Number Supersedes
1 HANDLE, CHROME - TOP COWL 37679
2 HANDLE, INSIDE - TOP COWL 37689
3 PAD, BUMPER - TOP COWL HANDLE 35496
4 WASHER, TOP COWL HANDLE STUD (9/16" O.D.) 12-20533
5 WASHER, TOP COWL HANDLE STUD (3/4" O.D.) 12-69057
6 NUT, TOP COWL HANDLE STUD 11-21825
7 SCREW, HANDLE TO TOP COWL (1") 10-35386
8 LOCKWASHER, HANDLE TO TOP COWL SCREW 13-8M0204647
9 WASHER, HANDLE TO TOP COWL SCREW 12-26825
10 TOP COWL ASSEMBLY 2117-2479A2
11 STUD, REAR - TOP COWL TO REAR SUPPORT BRACKET 16-21550
12 STUD, FRONT - TOP COWL TO FRONT SUPPORT BRACKET 16-21553
13 GROMMET, CHOKE KNOB - TOP COWL 25-20116
14 WASHER, TOP COWL STUD (5/16") 12-20084
15 NUT, TOP COWL STUD (5/16-24) 11-826709111 11-45592
16 LOCKWASHER, TOP COWL STUD (3/8") 13-35048
17 NUT, TOP COWL STUD (3/8-24) 11-46335
18 SHIELD, REAR - TOP COWL 37690
19 SCREW, REAR SHIELD TO TOP COWL 10-37370
20 LOCKWASHER, REAR SHIELD SCREW 13-37371
21 WASHER, REAR SHIELD SCREW 12-69056
22 DECAL, REAR SHIELD - "MERC 500" (#N.S.S.)
22 DECAL, REAR SHIELD - "MERC 500" (#N.S.S.)
23 TRIM MOULDING ASSEMBLY, TOP COWL 37702A1
24 BRACKET, TENSION - TRIM MOULDING 34433
25 SCREW, BRACKET AND TRIM MOULDING TO TOP COWL 10-23015
26 WASHER, BRACKET FASTENING SCREW 12-34434
27 NUT, BRACKET FASTENING SCREW 11-20110
28 BRACKET, REAR COWL SUPPORT 52899
29 TAB WASHER, SHEAVE SHAFT NUT 14-20165
30 NUT, SHEAVE SHAFT (LEFT HAND THREAD) 11-20166
31 HOUSING, STARTER 37685
32 SCREW, STARTER HOUSING TO CRANKCASE AND CYLINDER BLOCK (1") 10-90073
33 LOCKWASHER, STARTER HOUSING SCREW 13-20202
34 PLATE, CABLE GUIDE 37691
35 SCREW, DRIVE - CABLE GUIDE PLATE TO STARTER HOUSING 10-358811
36 RETAINER, STARTER SPRING 20155
36 RETAINER, STARTER SPRING 39835
37 SPRING, STARTER REWIND 24-29340T02
37 SPRING, STARTER REWIND 24-39502T02
38 BUSHING, SPRING GUIDE 23-28912
39 SHEAVE ASSEMBLY 50-30994
39 SHEAVE ASSEMBLY 76053A1
40 PAWL, STARTER 30596
41 WASHER, WAVE - STARTER PAWL 13-36206
42 BUSHING, NYLON - SHEAVE SHAFT SPACER 23-28919
43 SPACER, SHEAVE SHAFT 45477A1
44 RETAINER, WAVE WASHER (NOT AS SHOWN) 26179
44 RETAINER, WAVE WASHER 39840
45 WASHER, WAVE WASHER RETAINER 12-26180
46 WASHER, WAVE - RETAINER TENSION 13-20160
47 PLATE, RETAINER - STARTER PAWL 30595
47 PLATE, RETAINER - STARTER PAWL 66845
48 SHAFT, SHEAVE 45477A1
49 STARTER CABLE ASSEMBLY 50-12066Q10
50 HANDLE, STARTER CABLE 28747
51 RETAINER, STARTER CABLE AND HANDLE 79470A1
52 BRACKET ASSEMBLY, FRONT SUPPORT 47904A2
53 FLANGE, RUBBER - FRONT SUPPORT BRACKET 37921
54 TUBE, DRAIN - FRONT SUPPORT BRACKET TO BOTTOM COWL 32-8M0108355 32-8M0047428, 32-830756109, 32-99127109, 32-877821
55 SCREW, FRONT SUPPORT BRACKET TO BOTTOM COWL (1") 10-35386

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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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