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Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) (0E288000 & Up) Outboard Motor Parts Diagram & Catalog – Free PDF Download

by JLM Marine 30 Apr 2025 0 Comments
Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) Outboard Motor Parts Diagram & Catalog – Free PDF Download

CARBURETOR

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) CARBURETOR:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) CARBURETOR Diagram
Position No. Part Name OEM Number Supersedes
1 CARBURETOR (FO-3D) 1300-852551T1
2 PLUG 19-FO16128 FO106128
3 SHUTTER, Throttle 809442
4 SCREW, Shutters 10-809441
5 E-RING, Throttle Linkage 809446
6 SPRING, Choke Friction FO8805
7 BALL FO4784
8 NOZZLE, Main 809624
9 PIN 17-FO13944
10 FLOAT, Fuel Bowl 891730A01 83363M, FO13554, F10346, FO31554
11 GASKET 27-FO15623 F10138, FO13551
12 GASKET, Fuel Bowl 27-FO2510 F25210
13 BOWL, Fuel FO15366
14 SCREW 1399-5128
15 JET, Main (.058) (0 - 2500 FT.) 809448
15 JET, Main (.056) (2500 - 5000 FT.) 1399-5213
15 JET, Main (.054) (5000 - 7500 FT.) 1399-5225
15 JET, (.052) (7500 - 10000 FT.) 1395-6359
16 NEEDLE, Inlet Comment: (NOTE: DO NOT REMOVE INLET SEAT) F10265 FK10264, F10264, FK10309, FO18017 (NOTE: DO NOT REMOVE INLET SEAT)
17 SHUTTER, Choke F10344
18 SCREW F10268
19 SPRING 24-27160
20 SCREW F10275
21 JET (.046)-THROTTLE 809625
22 ELBOW, Fuel 854005
23 SHAFT AND LEVER, Choke 809440
24 SHAFT AND LEVER, Throttle 809439
25 JET, Main (.054), IDLE AIR BLEED 1399-5225
26 SPRING, Throttle Shaft 24-F10350
27 SPRING, Idle Speed 809445
28 SCREW, Idle Speed 809444
29 LINKAGE, Throttle F10290
30 WASHER F10242
31 WIRE, Throttle Shaft 809443
32 GASKET, Carburetor Mount 27-F715906
33 INSERT, Choke Rod F681677
34 KNOB, Choke F286547
35 BUSHING 23-F197319
36 ROD, Choke 819154
37 RETAINER, Choke Rod 830569 F341384, F1841
- GASKET SET, Carburetor FK10352
- REPAIR KIT, Carburetor 809449A1
- GASKET SET, Powerhead 27-809516A1
- POWERHEAD ASSEMBLY 800-819240A6

CLAMP BRACKETS

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) CLAMP BRACKETS:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) CLAMP BRACKETS Diagram
Position No. Part Name OEM Number Supersedes
1 BRACKET, Stern (PORT) Comment: (MERCURY) 1400-850073T2
1 BRACKET, Stern (PORT) Comment: (MARINER) 1400-850073T4
2 BRACKET, Stern (STARBOARD) Comment: (MERCURY) 1400-850073T3
2 BRACKET, Stern (STARBOARD) Comment: (MARINER) 1400-850073T5
3 WASHER, (.406 x .734 x .063) 12-20553
4 NUT, (.375-16) (.375-16) 11-F7026 F7005
5 SCREW (.250-20 X 3.00)-MOUNTING 10-832820
6 WASHER, (.281 x .500 x .060) Stainless Steel (THIN)-MOUNTING 12-8M0204649
7 WASHER 12-67983
8 NUT, (.250-20), MOUNTING 11-8267118
9 SCREW, (M6 x 35) 10-4000332
10 WASHER, (.281 x .500 x .060) Stainless Steel 12-8M0204649
11 SPACER 23-852963
12 HANDLE, Carrying 830564
13 SCREW, Stern Bracket 10-826248
14 PIN, Roll 17-24198
15 HANDLE, Clamp Screw Comment: (MERCURY) F424075T1
15 HANDLE, Clamp Screw Comment: (MARINER) F424075T2
16 FOOT, Stern Bracket Screw F24074 F9074-2
17 SCREW, (#10-32 x .500) Stainless Steel 10-69022
18 PIN ASSEMBLY, Tilt - Stern Bracket 851924A2
19 PIN, Roll 17-38489
20 SPRING 24-F286461
21 HANDLE, Lock Bar 851929
22 BOLT, Pivot - Stern Bracket (.375-16 X 7.375) 850185
23 PIN, Tilt Lock (.250-20) 17-819707
24 LEVER, Tilt Lock 826251
25 SCREW, (.312-18 Special) (.312-18) 10-F286422-1 F286422
26 WAVE WASHER 13-69150
27 LOCK, Tilt F429541
28 SPACER, Tilt Lock 23-819226 F286451
29 SPRING, Tilt Lock 24-F286544-1 F286544, F285544

COWLING

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) COWLING:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) COWLING Diagram
Position No. Part Name OEM Number Supersedes
1 TOP COWL ASSEMBLY Comment: (WITHOUT DECALS) (MERCURY) 100-819135A5
1 TOP COWL ASSEMBLY (#100-819135A 6) Comment: (WITHOUT DECALS) (MARINER)
2 BAFFLE 819447
3 BRACKET, Front 819130 F681774
4 RETAINER, Rear Cowl 819371
5 SCREW (#8-32 X .440) 10-835499
6 LOCKWASHER, Stainless Steel 8,13-26995
7 NUT 8-32,11-850042
8 ROLLER, Latch 23-F681759
9 SCREW (SPECIAL)-LATCH ROLLER 10-F681026
10 NUT, (.250-20) Stainless Steel 11-8M0207776
11 WASHER 12-F8155
12 DECAL SET, Top Cowl Comment: (MERCURY) (SHIFT-FRONT-REAR-PORT-STBD) 37-854206A1
12 DECAL SET, Top Cowl Comment: (MARINER) (SHIFT-FRONT-REAR-PORT-STBD) 37-854207A1
13 BOTTOM COWL ASSEMBLY Comment: (MERCURY) 100-835495A4
13 BOTTOM COWL ASSEMBLY Comment: (MARINER) 100-835495A5
14 PLATE, Front 38-8192814
15 SEAL, Top Of Bottom Cowl (4.075 FT. BULK) (CUT 3.783 FT.) F392756 F318756, F286756, F459756
16 SEAL, Bottom Cowl 827895
17 BUSHING 23-812707 23-71984, 23-F286818, 23-F286828, F480818
18 HANDLE ASSEMBLY, Cowl Latch Comment: (MERCURY) 854004A1
18 HANDLE ASSEMBLY, Cowl Latch Comment: (MARINER) 854004A2
19 WASHER, Wave 13-F2047
20 CAM, Latch Shaft 8M0001081 889566, F481777, F48177
21 WASHER 12-71055
22 LOCKWASHER, (.250) Stainless Steel 13-26992
23 SCREW, (.250-20 x .620) Stainless Steel 10-28635
24 SCREW, (M6 x 20) Stainless Steel 10-8M0204741
25 CONNECTOR, Fuel - Brass 22-8M0182334
26 GROMMET 25-18202
27 GROMMET, Control Cable 25-93527002
28 DECAL, EPA Label Information (APPLIED TO THE TOP INSIDE OF THE TOP COWL) 37-855577A17 37-855577 17

CRANKSHAFT AND PISTON

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) CRANKSHAFT AND PISTON:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) CRANKSHAFT AND PISTON Diagram
Position No. Part Name OEM Number Supersedes
1 CAGE ASSEMBLY, Crankshaft 1100-817753A4
2 SEAL, Oil 26-8M0214939
3 SCREW, (.250-20 x .750) 10-F1914
4 GASKET, Crankshaft Bearing Cage 27-F286277 F286288
5 CRANKSHAFT ASSEMBLY 400-819044A3
6 BEARING, Ball 30-F286028 F286028-1, FA286028
7 LINER, Center Main Rollers 31-819239
8 ROLLERS (16 PER STRIP) 29-819238
9 CONNECTING ROD ASSEMBLY 637-8477A2
10 SCREW, (M5 x 16) 10-823460 10-40081 16
11 BEARING, Needle 29-42186
12 BEARING, Thrust 12-8M0012297 43348
13 BEARING ASSEMBLY, Roller 31-42076A1
14 BEARING, Main 31-8191291
15 SEAL, Crankshaft Lower 26-819214
16 PISTON KIT (STANDARD) 784-9747A8
17 LOCK RING 40-422021
18 RING SET (2 RINGS) (STANDARD) 39-18213A1
19 SEAL, Driveshaft Spline 26-819293 F338129-1, F338129
20 RETAINER, Driveshaft Spline Seal 8193101
- GASKET SET, Powerhead 27-809516A1
- POWERHEAD ASSEMBLY 800-819240A6

CYLINDER BLOCK ASSEMBLY

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) CYLINDER BLOCK ASSEMBLY:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) CYLINDER BLOCK ASSEMBLY Diagram
Position No. Part Name OEM Number Supersedes
1 POWERHEAD ASSEMBLY (COMPLETE) 800-819240A6
1 CYLINDER ASSEMBLY 800-819240A5
2 SCREW, (.250-20 x .750) Stainless Steel 10-92160
3 WASHER, (.281 x .500 x .060) Stainless Steel 12-8M0204649
4 SCREW, (.312-18 x 1.00) 10-54523
5 WASHER, (.328 x .562 x .062) 12-20084
6 PIN 17-F8559 F136372
7 CHECK VALVE 21-426585
8 TUBING, (20.00 Feet Bulk) (CUT 2 PCS-15.00 IN.)(CUT 1 PC-12.058 IN.) 32-892024122 32-99130122
9 STUD, (.312-24 X 1.14) Special 16-834759
10 STUD, (.250-20 x 1.690) 16-826590 16-F681008
11 BRACKET, Throttle Stop 834753
12 GASKET SET, Powerhead 27-809516A1
13 TUBE, Water Jacket 32-819243
14 ELBOW, Tell-Tale Tubing 22-887801
15 HOSE (7.00 IN.)-TELL TALE 32-549507
16 GASKET, Exhaust Cover 27-819140
17 PLATE, Exhaust 819152
18 COVER, Exhaust 1000-819136T1
19 SCREW, (.250-20 X 1.250) 10-819110125 10-F1581
20 SCREW, (.250-20 x .750) Stainless Steel, GROUND WIRE 10-90192
21 GASKET, Cylinder Mount 27-819498
22 TUBE, Exhaust 819157T1
23 WASHER, (.281 x .500 x .060) Stainless Steel 12-8M0204649
24 LOCKWASHER, (.250) Stainless Steel 13-26992
25 SCREW, (.250-20 x .750) Stainless Steel 10-90192
26 COVER ASSEMBLY, Transfer Port 1000-819137T1
27 FITTING 22-15133
28 STUD, Interlock Lever 16-F681134
29 SCREW, (.250-20 x .750) Stainless Steel 10-90192
30 WASHER 12-26907
31 SCREW, (.250-20 x .750) 10-F1535
32 GASKET, Transfer Port Cover 27-819143
33 WASHER, (.344 x .688 x .065) Stainless Steel 12-8M0204690
34 SCREW, (.312-18 x 2.125) 10-F1882 10-F458936, F458036
35 GASKET, Cylinder Head 27-8191382
36 CYLINDER HEAD 900-819145T2
37 GASKET, Cylinder Head Cover 27-8191391
38 COVER, Cylinder Head 819134T
39 WASHER 12-F658504
40 THERMOSTAT, 54°C (130°F) 895338 F97068-2, F97068, F97068-1, F97098-1
41 SPRING, Thermostat 24-819161
42 COVER, Thermostat 819439T
43 SCREW, (.312-18 x 1.00) 10-35386
44 LOCKWASHER, Internal (.250), GROUND SCREW 13-78968
- GASKET SET, Powerhead 27-809516A1
- POWERHEAD ASSEMBLY 800-819240A6

FUEL SYSTEM

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) FUEL SYSTEM:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) FUEL SYSTEM Diagram
Position No. Part Name OEM Number Supersedes
1 PUMP ASSEMBLY, Fuel 8192131
2 GASKET/DIAPHRAGM KIT 27-820748A1
3 NOT SOLD SEPARATE, Washer NSS
4 SCREW (#10-24 X 1.250) 10-820749
5 SCREW (#10-24 X 1.625) 10-819499
6 O-RING 25-38933
7 TIE STRAP, (4.00 Inches) 56762
8 HOSE (18.00 IN. BULK) (CUT 1.625 IN.) 32-819398T 32-819398 53
9 HOSE (18.00 IN. BULK) (CUT 3.125 IN.) 32-819398T 32-819398 53
10 HOSE (18.00 IN. BULK) (CUT 10.500 IN.) 32-819398T 32-819398 53
11 COVER, Primer Bulb 851934 F681954-1, F681954
12 BULB, Primer F681046 F681066
13 HOSE (18.00 IN. BULK) (CUT 11.500 IN.) 32-819398T 32-819398 53
14 FILTER, Fuel 35-816296Q03 35-816296Q, 35-816296, 35-16494
- GASKET SET, Powerhead 27-809516A1
- POWERHEAD ASSEMBLY 800-819240A6

FUEL TANK & LINE ASSEMBLY, 6.6 GALLON

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) FUEL TANK & LINE ASSEMBLY, 6.6 GALLON:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) FUEL TANK & LINE ASSEMBLY, 6.6 GALLON Diagram
Position No. Part Name OEM Number Supersedes
1 TANK ASSEMBLY, Fuel - Plastic 6.6 Gallon 1259-859063A1
2 GAUGE/CAP ASSEMBLY 823536
3 CONNECTOR ASSEMBLY 22-8M0175545
4 O-RING 25-823533 25-18471
5 SCREEN 35-823534 35-18029
6 LINE ASSEMBLY, Fuel (8 Feet) (.312 I.D.)(30.00 IN. & 60.00 IN.) 32-877681Q8
7 BULB ASSEMBLY, Primer 13330Q07
8 CHECK VALVE ASSEMBLY (INLET) 21-13331A3
9 CHECK VALVE ASSEMBLY (OUTLET) 21-13331A4
10 CLAMP, Nylon (LARGE) 54-4158210
11 CLAMP, Nylon (SMALL) 54-41582Q7
12 FITTING ASSEMBLY, Fuel Line 22-13563Q3
13 CONNECTOR, (.250-18) 22-89771Q2
14 CLAMP, Nylon (SMALL) 54-41582Q7
15 HOSE, (9.00 Feet Bulk), CUT AS REQ'D 32-85861079
15 HOSE, (100.00 Feet Bulk), CUT AS REQ'D 32-858610100 32-16789100

GEAR HOUSING ASSEMBLY, DRIVESHAFT

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) GEAR HOUSING ASSEMBLY, DRIVESHAFT:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) GEAR HOUSING ASSEMBLY, DRIVESHAFT Diagram
Position No. Part Name OEM Number Supersedes
1 GEAR HOUSING ASSEMBLY Comment: (15 IN. SHORT) (COMPLETE) (MERCURY) 1665-8669A42
1 GEAR HOUSING ASSEMBLY Comment: (15 IN. SHORT) (COMPLETE) (MARINER) 1665-8669A43
1 GEAR HOUSING ASSEMBLY Comment: (20 IN. LONG) (COMPLETE) (MERCURY) 1665-8669A44
1 GEAR HOUSING ASSEMBLY Comment: (20 IN. LONG) (COMPLETE) (MARINER) 1665-8669A45
1 GEAR HOUSING ASSEMBLY, Basic-Black 1600-8M0083538 1665-8669A21
1 GEAR HOUSING ASSEMBLY, Basic-Gray 1665-8669A22
2 NOT SOLD SEPARATE, Sleeve NSS
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) 10-79953Q04
7 WASHER, Fiber 12-191833
8 SCREEN, Water Inlet Port 35-41133
9 SCREW, (M5 x 40) 10-40031112
10 FITTING KIT, Magnetic, Plug Fill/Drain 22-8M0058389 22-67892A06
11 WASHER, Fiber 12-191833
12 SCREEN (STARBOARD) 35-41134
13 NUT, (M5), SCREEN SCREW 11-400263
14 BEARING ASSEMBLY, Roller 31-98294A1
15 NOT SOLD SEPARATE, Cup-roller Bearing NSS
16 TRIM TAB 97-98432Q6
17 SCREW, (M8 x 30) 10-4000354
18 SCREW, (M6 x 16) 10-8248324
19 SCREW, (.250-28 x .750) 10-49908
20 GEAR, Pinion 43-98302
21 GASKET 27-993261
22 FACE PLATE 85083
23 WASHER 12-866451
24 KEY 28-8M0214993
25 IMPELLER 47-8M0204712
26 WASHER 12-866451
27 O-RING 25-69202
28 PUMP ASSEMBLY, Water 46-99157A02
29 NOT SOLD SEPARATE, Insert NSS
30 SEAL 26-85090001
31 O-RING 25-86203
32 WASHER, (.323 x .563 x .063) Stainless Steel 12-8M0042642 12-70132
33 ROD, Gear Shift Comment: (15 IN. SHORT MODELS) 853939
33 ROD, Gear Shift Comment: (20 IN. LONG MODELS) 853940
34 DRIVESHAFT Comment: (15 IN. SHORT MODELS) 45-827024T
34 DRIVESHAFT Comment: (20 IN. LONG MODELS) 45-827025T
35 BOOT 85552001
36 RETAINER 93878
37 O-RING, (.734 x .139) 25-35276
38 O-RING, (.239 x .174) 25-85594
39 SHIFT CAM 85562A2
40 PIN, Drive 17-85096
- SEAL KIT 26-85090A2
- REPAIR KIT, Water Pump 46-99157T2

GEAR HOUSING ASSEMBLY, PROPELLER SHAFT

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) GEAR HOUSING ASSEMBLY, PROPELLER SHAFT:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) GEAR HOUSING ASSEMBLY, PROPELLER SHAFT Diagram
Position No. Part Name OEM Number Supersedes
1 GEAR HOUSING ASSEMBLY Comment: (15 IN. SHORT) (COMPLETE) (MERCURY) 1665-8669A42
1 GEAR HOUSING ASSEMBLY Comment: (15 IN. SHORT) (COMPLETE) (MARINER) 1665-8669A43
1 GEAR HOUSING ASSEMBLY Comment: (20 IN. LONG) (COMPLETE) (MERCURY) 1665-8669A44
1 GEAR HOUSING ASSEMBLY Comment: (20 IN. LONG) (COMPLETE) (MARINER) 1665-8669A45
1 GEAR HOUSING ASSEMBLY, Basic-Black 1600-8M0083538 1665-8669A21
1 GEAR HOUSING ASSEMBLY, Basic-Gray 1665-8669A22
41 BEARING ASSEMBLY, Roller 31-8M0103470 31-99328A 1
42 NOT SOLD SEPARATE, Cup-Roller Bearing NSS
43 GEAR ASSEMBLY, Forward 43-44213T1
44 BUSHING 23-85557
45 FOLLOWER, Cam 85094
46 SPRING 24-38114
47 CLUTCH 52-41040T1
48 PIN 17-8M0020999 17-85093
49 SPRING 24-88680
50 PROPELLER SHAFT 44-8166231
51 GEAR, Reverse 43-99542T
52 CARRIER ASSEMBLY, Bearing 99906T1
53 BEARING, Roller 31-21739
54 SEAL, Oil (INNER) 26-41132
55 SEAL, Oil (OUTER) 26-41131
56 O-RING 25-85549
57 PLATE 87293
58 SCREW, (M5 x 16) 10-90883
59 WASHER, (.406 x .750 x .104) 12-8M0214963
60 SCREW, (.375-16 x 1.00) 10-65210
61 THRUST HUB ASSEMBLY 851281
62 PROPELLER (ALUM-10.375 X 13.0 RH) (BLACK MAX) 48-19640A40
62 PROPELLER (ALUM-10.250 X 14.5 RH) (BLACK MAX) 48-19642A40
62 PROPELLER (ALUM-10.375 X 12.0 RH) (BLACK MAX) 48-19639A40
62 PROPELLER (ALUM-10.375 X 11.0 RH) (BLACK MAX) 48-19638A40
62 PROPELLER (ALUM-10.375 X 9.50 RH) (BLACK MAX) 48-19636A10
62 PROPELLER (SS-10.375 X 18.0 RH) (CHOPPER) 48-43592A61
62 PROPELLER (SS-10.375 X 13.0 RH) (VENGEANCE) 48-19644A5
63 PROP NUT (M12 BRASS)-FOR SS PROPELLERS 11-4011912
63 PROP NUT (M12 NYLON)-FOR ALUM PROPELLERS 11-88228
- SEAL KIT 26-85090A2

IGNITION SYSTEM

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) IGNITION SYSTEM:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) IGNITION SYSTEM Diagram
Position No. Part Name OEM Number Supersedes
- STATOR ASSEMBLY (COMPLETE) 819155A2
1 PLATE, Stator 300-819155T
2 MODULE KIT, Ignition 300-850899T1
3 CONNECTOR (SERVICE ONLY) 86-8M0204694
4 SCREW (#8-32 X .750)-IGN MODULE MOUNT 10-824353
5 CABLE ASSEMBLY, Modules To Harness 84-12479A60
6 BOOT/TERMINAL KIT 85-63709A1
7 MARKER SET, Ignition Cables 1,2,3,20117A1
8 NUT (SPECIAL)-FLYWHEEL F681091
9 FLYWHEEL 200-824380T4
10 SWITCH ASSEMBLY, Stop 87-824440A14 87-824440A 6
11 COVER ASSEMBLY, Stop Switch 824466A3
12 BEZEL, Stop Switch Cover 824915
13 SWITCH ASSEMBLY, Emergency Stop 87-826214A1
14 NUT (SPECIAL)-STOP SWITCH SLEEVE 11-855594 22-F681188, F660188
15 LANYARD ASSEMBLY 879104 819399A 1
16 KEY, Crankshaft/Flywheel 28-F458498-1 F458498, F54498
17 CAM, Throttle 8278961
18 CABLE ASSEMBLY, Ground 84-821375A44
19 TIE STRAP, (4.00 Inches) 56762
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 SCREW, (#10-24 x .500) (#10-24 X .500)-STATOR PLATE 10-824358
21 SPARK PLUG (CHAMPION # L82C) 33-896323 33-811
21 SPARK PLUG (RFI) (CHAMPION # RL82C) 33-896329874 33-874
22 HARNESS ASSEMBLY, Engine Stop 84-79138A93
23 PLUG, Male 13541
24 CLAMP 54-831275

PAINT

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) PAINT:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) PAINT Diagram
Position No. Part Name OEM Number Supersedes
- PAINT, (Black) (355 ML) SPRAY CANADA (CASE OF 12) EXTERNAL PARTS-MERCURY 92-7837312
- PAINT, (Black) (15 ML) BRUSH BOTTLE (BOX OF 12) EXTERNAL PARTS-MERCURY 92-82288612
- PAINT, Nickel Gray (12 Ounces) (355 ML) SPRAY CANADA (CASE OF 12) EXTERNAL PARTS-MARINER 92-77171A12
- PAINT, Nickel Gray (.5 Ounces) (15 ML) BRUSH BOTTLE (BOX OF 12) EXTERNAL PARTS-MARINER 92-82614212
- PAINT, Clear Acrylic (355 ML) SPRAY CANADA (CASE OF 12) FOR COWL ONLY-MERCURY AND MARINER 92-81910712
- PAINT (355 ML) SPRAY CANADA (CASE OF 12) ALL POWERHEADS AND ALUM PROPELLER PARTS 92-1878112
- PAINT, Silver (12 Ounces) (355 ML) SPRAY CANADA (CASE OF 12) GEAR SHIFT HANDLE ONLY-MERCURY AND MARINER COWL ONLY-MARINE 92-97842A12
- PAINT, Silver (.5 Ounces) (15 ML) BRUSH BOTTLE (BOX OF 12) GEAR SHIFT HANDLE ONLY-MERCURY AND MARINER COWL ONLY-MARINER 92-82582312

REED PLATE/MANIFOLD ASSEMBLY

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) REED PLATE/MANIFOLD ASSEMBLY:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) REED PLATE/MANIFOLD ASSEMBLY Diagram
Position No. Part Name OEM Number Supersedes
1 MANIFOLD ASSEMBLY, Intake 819150A4
2 CHECK VALVE 21-426982
3 STUD, (.250-20 x .910) (.250-20 X .910) WITH DRI LOK 16-826622 16-F2788004, 16-F19209-2, F19209-1, F19209
4 NUT, (.250-20), CARBURETOR MOUNT 11-20890
5 SCREW, (.250-20 X 1.250) (.250-20 X 1.250) 10-819110125 10-F1581
6 REED 34-827308
7 STOP, Reed 34-827307
8 SCREW WITH LOCKWASHER, (#6-32 X .312) (#6-32 X .312) 10-819074 F1755, F1298
9 GASKET, Reed Plate 27-819142
10 PLATE, Reed 819153T
11 GASKET, Intake Manifold 27-819141
- GASKET SET, Powerhead 27-809516A1
- POWERHEAD ASSEMBLY 800-819240A6

REMOTE CONTROL LINKAGE, DESIGN I

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) REMOTE CONTROL LINKAGE, DESIGN I:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) REMOTE CONTROL LINKAGE, DESIGN I Diagram
Position No. Part Name OEM Number Supersedes
1 STEERING KIT, Remote 827889A2
2 TUBE, Cable Guide 71565
3 NUT, (.875-14) 11-8M0041651 11-37984
4 TAB WASHER 14-42100
5 BRACKET, Cable Tube 827890
6 LOCK, Tilt F676541-2 F676541, F676541-1
7 LINK, Steering 827889A2
8 WASHER, (.390 x .625 x .062) Stainless Steel 12-37828
9 NUT, (.375-24) 11-8M0204726
10 BOLT, Pivot - Stern Bracket (.375-16 X 7.375) 850185
11 NUT, (.375-16) (.375-16) 11-F7026 F7005
12 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
13 SCREW, (.375-24 x 1.750) 10-90072
14 SPACER 23-F522359 F523359
15 SPACER 23-F84215
16 CONVERSION KIT, Remote Control Comment: (MERCURY) (DESIGN I) 830771A8
16 CONVERSION KIT, Remote Control Comment: (MARINER) (DESIGN I) 830771A9
17 COTTER PIN 18-26811
18 WASHER, (.2656 x .625 x .0625) Stainless Steel 12-35462
19 STUD, Throttle Control 16-828819
20 LOCKWASHER, Internal 10,13-F8058 F17028, F17089, FE4296238
21 LEVER, Throttle 8191481
22 NUT, 10-32,11-8M0204718
23 GROMMET 25-93527002
24 SCREW (SPECIAL) 10-830772
25 ANCHOR ASSEMBLY, Remote Steering Cable Comment: (MERCURY) 855791A2
25 ANCHOR ASSEMBLY, Remote Steering Cable Comment: (MARINER) 855791A3
26 DECAL, Front Plate 38-8192812
27 SCREW, (#10-24 x .560) 10-852453 10-F1733
28 NUT, 10-24,11-F7009 11-F7011, 11-F7070, FI151625
29 LOCKWASHER, Internal Tooth 13-72521
30 SCREW, (.312-18 x 1.12) 10-38837
31 ARM, Remote Steering Comment: (MERCURY) 830006T2
31 ARM, Remote Steering (#830006T 3) Comment: (MARINER)
32 PLUG 19-48323

REMOTE CONTROL LINKAGE, DESIGN II

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) REMOTE CONTROL LINKAGE, DESIGN II:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) REMOTE CONTROL LINKAGE, DESIGN II Diagram
Position No. Part Name OEM Number Supersedes
1 STEERING KIT, Remote 827889A2
2 TUBE, Cable Guide 71565
3 NUT, (.875-14) 11-8M0041651 11-37984
4 TAB WASHER 14-42100
5 BRACKET, Cable Tube 827890
6 LOCK, Tilt F676541-2 F676541, F676541-1
7 LINK, Steering 827889A2
8 WASHER, (.390 x .625 x .062) Stainless Steel 12-37828
9 NUT, (.375-24) 11-8M0204726
10 BOLT, Pivot - Stern Bracket (.375-16 X 7.375) 850185
11 NUT, (.375-16) (.375-16) 11-F7026 F7005
12 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
13 SCREW, (.375-24 x 1.750) 10-90072
14 SPACER 23-F522359 F523359
15 SPACER 23-F84215
16 CONVERSION KIT, Remote Control Comment: (MERCURY) (DESIGN II) 830771A8
16 CONVERSION KIT, Remote Control Comment: (MARINER) (DESIGN II) 830771A9
17 COTTER PIN 18-26811
18 WASHER, (.2656 x .625 x .0625) Stainless Steel 12-35462
19 STUD, Throttle Control 16-828819
20 LOCKWASHER, Internal 10,13-F8058 F17028, F17089, FE4296238
21 LEVER, Throttle 8191481
22 NUT, 10-32,11-8M0204718
23 GROMMET 25-93527002
24 NUT, (.250-20) Stainless Steel 11-8M0207776
25 ANCHOR ASSEMBLY, Remote Steering Cable Comment: (MERCURY) 855791A2
25 ANCHOR ASSEMBLY, Remote Steering Cable Comment: (MARINER) 855791A3
26 DECAL, Front Plate 38-8192812
27 SCREW, (#10-24 x .560) 10-852453 10-F1733
28 NUT, 10-24,11-F7009 11-F7011, 11-F7070, FI151625
29 LOCKWASHER, Internal Tooth 13-72521
30 SCREW, (.312-18 x 1.12) 10-38837
31 ARM, Remote Steering Comment: (MERCURY) 830006T2
31 ARM, Remote Steering (#830006T 3) Comment: (MARINER)
32 PLUG 19-48323
33 SLEEVE 23-855648

SHIFT LINKAGE

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) SHIFT LINKAGE:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) SHIFT LINKAGE Diagram
Position No. Part Name OEM Number Supersedes
1 STOP, Starter Pulley Interlock F681490
2 ARM, Starter Interlock F681003-1 F681003
3 WASHER 12-F8143
4 SCREW, (#10-16 x .500) 10-48408
5 LINK, Starter Interlock F681263-1 F681263
6 LEVER, Intermediate Interlock F681742
7 NUT, 10-32,11-20110
8 SPRING, Interlock Lever 24-F681424
9 STUD, Interlock Lever 16-F681134
10 BEARING, Spark Control 816514 F84035, F84035-1, F84035-2
11 STUD, (.250-20 x 1.690) (.250-20 X 1.690) 16-826590 16-F681008
12 LEVER, Neutral Speed Interlock 824357 F681997-1, F681997
13 NUT, (.250-20) Stainless Steel 11-8M0207776
14 ROD, Interlock 819159
15 SCREW 10-819625 10-F84026
16 CONNECTOR, Gear Shift Rod F286685
17 STUD 16-F98273 F98278, F695531, F695531-1, F9873
18 LEVER, Gear Shift 855621T 819508T 1
19 PIN, (.125 x 0.75 Inches) 17-25319
20 PIN, Gear Shift Lever F286871T F286871
21 BUSHING 23-26841
22 ROD, Upper Gear Shift 8193781
23 SCREW, (#10-24 x .500) 10-F1976
24 WASHER, (.203 x .406 x .040) 12-89302
25 SPRING 24-39627
26 SPRING, Plate 824994
27 LINK, Shift Lever 850388
28 WASHER, Bowed 13-F8048
29 LOCKWASHER, Stainless Steel 10,13-26996
30 LOCKWASHER, Internal 10,13-F8058 F17028, F17089, FE4296238
31 SHAFT, Shift Handle 850386
32 LEVER ASSEMBLY, Detent Cam 850387A1
33 STUD, (#10-32 x .750) 16-846345
34 PIN 17-25905
35 SCREW, (#10-32 X .380) (#10-32 X .380) 10-42813
36 HANDLE, Shift 852545
37 WASHER 12-4002314
38 SCREW, (#10-32 x .750) 10-15124
- POWERHEAD ASSEMBLY 800-819240A6

STARTER REWIND COMPONENTS

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) STARTER REWIND COMPONENTS:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) STARTER REWIND COMPONENTS Diagram
Position No. Part Name OEM Number Supersedes
1 HOUSING, Starter F6814081
2 DECAL KIT, Shift to Neutral 37-825149A1
3 SCREW, (.250-20 x .750) Stainless Steel 10-90192
4 INSERT, Starter Housing 23-F681405T 23-F681405
5 INSERT, Starter Rope F681428
6 RING, Retaining 53-818853 53-42689
7 BRACKET 819245T1
8 NUT, (.250-20) Stainless Steel 11-8M0207776
9 SCREW, (.250-20 x .620) 10-98254
10 SPRING, Starter Rewind 24-F681970
11 PULLEY ASSEMBLY, Starter Rewind 42034A2
12 CAP 19-817362 19-F681971
13 SEAL, Pulley Bearing 26-124941
14 ROPE (64.00/67.00 IN.) 50-12066T03
15 RETAINER, Starter Pulley F681592
16 SCREW, (#10-16 x .500) 10-48408
17 SCREW 10-819625 10-F84026
18 SUPPORT ASSEMBLY, Handle FA681630T FA681630, F681953, F681630
19 PLATE, Handle Support 8302821
20 FASTENER, Handle Support Plate F6818741
21 SCREW, (.250-14 x .500) 10-F2210
22 HANDLE, Rope F681132
23 RETAINER, Rope Handle F681817
- POWERHEAD ASSEMBLY 800-819240A6

SWIVEL BRACKET AND DRIVESHAFT HOUSING

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) SWIVEL BRACKET AND DRIVESHAFT HOUSING:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) SWIVEL BRACKET AND DRIVESHAFT HOUSING Diagram
Position No. Part Name OEM Number Supersedes
1 WASHER, Swivel Bracket 12-F286011
2 SWIVEL BRACKET KIT Comment: (MERCURY) 1400-850049A3
2 SWIVEL BRACKET KIT Comment: (MARINER) 1400-850049A4
3 BEARING (1.125 IN.) (TOP) 23-F681169
4 BEARING (1.750 IN.) (BOTTOM) 23-F286169
5 FITTING 22-F213274 F1952, F213374, F55274
6 SHOE, Friction F681631
7 CLAMP, Steering Friction 54-F286573-1 F286573
8 SCREW, (.250-20 x 1.375) 10-F1820
9 WASHER 12-8M0207778
10 NUT, (.250-20) (.250-20) 11-F1608
11 PIN, Spring 17-F1794 F8535, 17-F8536, F8534
12 PIN, Spring 17-F8538 F8539
13 BUSHING 23-26856
14 LEVER, Reverse Lock 833156
15 LEVER ASSEMBLY, Reverse Lock Intermediate 820095A2
16 BUSHING 23-F536813
17 WASHER 12-F2037 12-F525286
18 LEVER, Reverse Lock Release F286827
19 PIN, Groove 17-F1806
20 WASHER 12-F2037 12-F525286
21 DECAL, Fuel Mix 37-8180291
22 DECAL, Tilt Release 37-8302531
23 LINK, Reverse Lock Lever 852528
24 SPRING, Reverse Lock 24-F286300
25 LOCK, Reverse 850259
26 BRACKET, Shallow Water Drive 8301111
27 SCREW KIT, (.250-20 x 2.375) (.250-20 X 2.375) FA1844 F1801
28 LOCKWASHER, (.250) Stainless Steel 13-26992
29 NUT, (.250-20) 11-64015
30 BRACKET, Shock Mount Lower Comment: (MERCURY) 819320T1
30 BRACKET, Shock Mount Lower Comment: (MARINER) 819320T2
31 SPACER ASSEMBLY Comment: (20 IN. LONG MODELS) (MERCURY) 826361T2
31 SPACER ASSEMBLY Comment: (20 IN. LONG MODELS) (MARINER) 826361T3
32 PIN, Dowel (.187 x .530) Comment: (20 IN. LONG MODELS) 17-8M0084726 17-85500 (20 IN. LONG MODELS)
33 SCREW, (.375-16 x 1.00) Comment: (20 IN. MODELS) 10-65210
34 WASHER, (.406 x .750 x .104) Comment: (20 IN. LONG MODELS) 12-8M0214963
35 LINE, Water Inlet Comment: (15 IN. SHORT MODELS) 32-819149
35 LINE, Water Inlet Comment: (20 IN. LONG MODELS) 32-8191491
36 SLEEVE, Water Inlet Line F286914-1 F286914
37 SHOCK MOUNT, Lower 8193192
38 HOUSING ASSEMBLY, Driveshaft Comment: (MERCURY) 1500-819215T3
38 HOUSING ASSEMBLY, Driveshaft Comment: (MARINER) 1500-819215T4
39 COVER 25-F46899-1 F46899
40 SHOCK MOUNT, Upper F517347

TILLER HANDLE/LINKAGE

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) TILLER HANDLE/LINKAGE:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) TILLER HANDLE/LINKAGE Diagram
Position No. Part Name OEM Number Supersedes
1 SHAFT, Throttle Control 851928 F431838
2 BUSHING 23-26841
3 RETAINER KIT, Steering Shaft FA343178 F286178, F343178
4 SET SCREW, (.250-28 X .250) (.250-28 X .250) 10-832794 10-F1859
5 PIN 17-29908
6 GEAR, Steering Shaft 43-8180091
7 PIN, Groove 17-F1807
8 SCREW (SPECIAL) 10-823595 10-F286080
9 SPRING, Steering Handle Stop 24-F286868
10 BUSHING 23-26856
11 STOP, Steering Handle F286490T F286490
12 BRACKET ASSEMBLY, Steering Arm Comment: (MERCURY) 835373A6
12 BRACKET ASSEMBLY, Steering Arm Comment: (MARINER) 835373A7
13 SCREW, (.250-20 x 1.750) (.250-20 X 1.750) 10-828815
14 BUMPER 19-F286539
15 NUT, (.250-20) Stainless Steel 11-8M0207776
16 LOCKWASHER, Internal Tooth 13-72521
17 SCREW, (.312-18 x 1.12) 10-38837
18 INSERT, Steering Handle Pivot F2862241
19 BUSHING 23-812707 23-71984, 23-F286818, 23-F286828, F480818
20 WASHER, Steering Handle 12-F286220
21 BUSHING 23-26856
22 HANDLE, Steering Comment: (MERCURY) 819279T1
22 HANDLE, Steering Comment: (MARINER) 819279T2
23 O-RING, (.796 x .139) (LARGE) 25-8M0204645
24 O-RING, (.674 x .103) (SMALL) 25-38101
25 DECAL, Speed/Shift Indicator 37-F712894 37-F709894
26 HANDLE/GRIP ASSEMBLY, Throttle 828406A1
27 GRIP, Throttle/Steering Handle 828406 F458695
28 PIN, Roll 17-72255
29 WEDGE, Steering Handle 819227 F341693
30 BUSHING 23-97896
31 LOCKWASHER, Internal 10,13-F8058 F17028, F17089, FE4296238
32 SCREW, (#10-24 x .875) 10-F1829
33 BEARING F4878161
34 SHAFT, Steering Handle 819160
35 STOP, Throttle 832759
36 SET SCREW, (.250-28 X .250) (.250-28 X .250) 10-832794 10-F1859
37 BRACKET ASSEMBLY, Steering (#817751A 7) Comment: (MERCURY)
37 BRACKET ASSEMBLY, Steering Comment: (MARINER) 817751A8
38 FITTING, Grease 22-F523274
39 SCREW (SPECIAL)-PIVOT 10-823594
40 NUT, (.312-24) Stainless Steel 11-82670911
41 WASHER (SPECIAL) 12-F286282
42 LEVER, Magneto Control 819148
43 BEARING, Control Lever 23-F183813
44 STUD, (.312-24 X 1.14) Special (.312-24 X 1.140) 16-834759
45 LINK, Throttle Shaft 826846
46 LINK, Throttle Cam 824142T 824142, F286509
- POWERHEAD ASSEMBLY 800-819240A6

TOOLS, SPECIAL

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Below is the parts list for Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) TOOLS, SPECIAL:

Mercury 25 H.P. LIGHTNING (3 CYL.) (INTL. ONLY) TOOLS, SPECIAL Diagram
Position No. Part Name OEM Number Supersedes
- BRUSH, Wire 803504T FT2991, FJ8358
- EXPANDER TOOL, Piston Ring 91-24697
- KNOCK OFF NUT, Flywheel Removal 91-803601T FT2909
- WEDGE TOOL, Flywheel FT2989
- INSTALLER TOOL, Piston Pin 91-13663T1
- BLOCK, Piston And Piston Pin FT2990-1 FT2990
- TESTER KIT FT8950
- PULLER PLATE, Universal 91-37241
- PULLER ASSEMBLY, Slide Hammer 91-34569A1
- INSTALLER TOOL, Bearing Carrier 91-93843T1
- PULLER 91-27780
- PULLER KIT, Bearing 91-31229A7
- PILOT WASHER 91-36571T
- PLATE 91-29310
- SHAFT 91-31229
- NUT, (.625-18) 11-24156
- WASHER (.656 X 1.312 X .095) 12-34961
- TESTER, Eight Chamber 91-850439T1
- TIMING LIGHT 91-99379
- SERVICE TACHOMETER 91-59339
- MULTI METER 91-99750A1
- COMPOUND, (8 Ounce), NEEDLE BEARINGS 92-802868A1
- LUBRICANT 92-898101390 92-FT2987-1, FT2987
- SEALANT, RTV #1473 92-809825 92-90113 2, 92-91600 1
- RTV SILICONE, (3 Ounce Tube) Metallic Blue 92-809825 92-90113 2, 92-91600 1
- SEALANT 92-809818 FT2962-2, FT2962, FT2962-1, FK66
- LOCTITE 271 THREADLOCKER, 10 ml 92-809819
- LOCTITE 271 THREADLOCKER, 50 ml 92-809820 92-823089 1
- MULTI LUBE 2 4 C, (8 Ounce Tube) 92-802859Q1
- GEAR LUBE, (10 Ounce Tube) 92-802844Q1
- GREASE 92-816391A4

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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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