🔎 Mercury 50 BIGFOOT (4-STROKE) Reference Library — Exploded parts diagrams (37 diagrams), specifications, common issues, and maintenance checklist.
The Mercury 50 BIGFOOT (4-STROKE) is a 4-Stroke, Inline 4-Cylinder, EFI, SOHC outboard motor. Commonly used on jon boats, pontoons, and mid-size utility craft.
Quick Reference Specifications
| Specification |
Value |
| Engine Type |
4-Stroke, Inline 4-Cylinder, EFI, SOHC |
| Horsepower |
50 HP |
| Displacement |
995 cc |
| Bore x Stroke |
65 mm x 75 mm |
| Spark Plug (Type & Gap) |
NGK IZFR6F-11 |
| Engine Oil Capacity |
3.0 L (3.17 quart) |
| Recommended Engine Oil |
SAE 25W-40 Mercury FourStroke Oil |
| Gear Case Oil Capacity |
440 mL (14.9 fl oz) |
| Idle Speed (in gear) |
650 ± 50 RPM (in gear) |
| Full Throttle RPM Range |
5000-6000 |
| Fuel |
Unleaded Gasoline, 87 Octane min. |
Always verify specifications against your owner's manual for your specific serial number range.
Common Issues & Recommended Parts
Below are common maintenance scenarios for the Mercury 50 BIGFOOT (4-STROKE):
-
Water Pump / Overheating: If the tell-tale stream is weak or absent, the water pump impeller likely needs replacement. Inspect annually or every 100 hours. → Recommended: Water Pump Impeller Kit
-
Engine Oil / Maintenance Light: 4-stroke engines require regular oil and filter changes. Use marine-grade oil rated for your engine. Change every 100 hours or annually. → Recommended: Oil Filter, Engine Oil
-
Fuel Injector Issues (EFI models): Rough idle or misfires may indicate clogged fuel injectors. Use fuel stabilizer and clean injectors periodically. → Recommended: Fuel Injector, Fuel Filter
-
Gear Case Oil Leak: Check lower unit seals if gear oil appears milky (water contamination). Replace seals and gaskets during lower unit service. → Recommended: Lower Unit Seal Kit, Drain Plug Gaskets
-
Anode Corrosion: Inspect sacrificial anodes regularly, especially in saltwater. Replace when 50% depleted to protect against galvanic corrosion. → Recommended: Zinc/Aluminum Anode Kit
Parts Diagrams & OEM Part Numbers
Expand the sections below to view detailed exploded parts diagrams and find the exact OEM replacement components for your Mercury 50 BIGFOOT (4-STROKE).
▶ACCESSORIES (1 parts)
| Ref |
OEM Part # |
Part Name |
| 0 |
32-877683Q12 |
LINE ASSEMBLY, Fuel (12 Feet) Comment: NO FIITINGS |
▶ADAPTOR PLATE (27 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
8M0162935 |
DIPSTICK |
| 2 |
825989003 |
DIPSTICK TUBE |
| 3 |
8238052 |
SEAL, Lower Cowl |
| 4 |
8289151 |
HEAT SHIELD |
| 5 |
17-23784 |
PIN, Dowel |
| 6 |
22-629101 |
ELBOW, (.125-27) |
| 7 |
54-816311T |
TIE STRAP, (8.00 Inches) |
| 8 |
32-77653101 |
HOSE, (24.500 Inches Bulk) (20 IN.) |
| 9 |
26-16977 |
SEAL, Oil Comment: (BIGFOOT) |
| 10 |
22-384073 |
PLUG, Pipe |
| 11 |
25-822408001 |
GROMMET Comment: (NON BIGFOOT) |
| 12 |
825228A15 |
ADAPTOR PLATE Comment: SN# 0G437999 & Below |
| 13 |
27-825251 |
GASKET Comment: SN# 0G437999 & Below |
| 14 |
25-845746 |
O-RING |
| 15 |
893765 |
PLATE, Oil Pickup-Top Comment: SN# 0G590000 & Up |
| 16 |
32-854793 |
HOSE, Oil Pickup Comment: SN# 0G590000 & Up |
| 17 |
893700 |
BAFFLE Comment: SN# 0G590000 & Up |
| 18 |
54-855228 |
CLAMP Comment: SN# 0G590000 & Up |
| 19 |
825214 |
PICK UP, Oil Comment: SN# 0G437999 & Below |
| 20 |
25-19565002 |
GROMMET |
| 21 |
8M0224385 |
MOUNT |
| 22 |
10-8M0204741 |
SCREW, (M6 x 20) Stainless Steel |
| 23 |
10-8M0204741 |
SCREW, (M6 x 20) Stainless Steel |
| 24 |
8M0210772 |
BODY, Oil Pressure Relief |
| 25 |
18-45882 |
COTTER PIN |
| 26 |
8252151 |
PLUNGER |
| 27 |
24-825216 |
SPRING |
▶BOTTOM COWL (17 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
4020-826277T2 |
BOTTOM COWL Comment: (GRAY-PORT) |
| 2 |
4020-826278T4 |
BOTTOM COWL Comment: (GRAY-STBD.) |
| 3 |
10-82684430 |
SCREW, (M6 x 30) |
| 4 |
12-8M0204649 |
WASHER, (.281 x .500 x .060) Stainless Steel |
| 5 |
825238002 |
SEAL |
| 6 |
10-82684460 |
SCREW, (M6 x 60) |
| 7 |
27-855627 |
GASKET |
| 8 |
22-827948 |
FITTING |
| 9 |
12-855576 |
WASHER |
| 10 |
826273001 |
BOOT |
| 11 |
54-816311T |
TIE STRAP, (8.00 Inches) |
| 12 |
10-4006731 |
SCREW, (M6 x 16) |
| 13 |
893766 |
LATCH HOOK |
| 14 |
13-12134 |
WASHER, Wave |
| 15 |
23-812707 |
BUSHING |
| 16 |
13-12134 |
WASHER, Wave |
| 17 |
825782F2 |
LEVER, Cowl Latch Comment: (GRAY) |
▶CAMSHAFT/OIL PUMP (25 parts)
| Ref |
OEM Part # |
Part Name |
| - |
825034A17 |
CYLINDER HEAD ASSEMBLY |
| 1 |
17-825087 |
PIN (INCLUDED WITH CYL. BLOCK) |
| 2 |
24-825088 |
SPRING |
| 3 |
824796A1 |
TENSIONER ASSEMBLY |
| 4 |
10-81893420 |
SCREW, (M8 x 20) |
| 5 |
10-826165 |
SCREW |
| 6 |
11-825085 |
NUT Comment: SN# 0G437999 & Below |
| 7 |
23-850522 |
SPACER Comment: SN# 0G438000 & Up |
| 8 |
834838 |
LOAD RING Comment: SN# 0G438000 & Up |
| 9 |
12-825082 |
WASHER |
| 10 |
825083T |
GEAR, Drive |
| 11 |
28-893761 |
KEY |
| 12 |
825109 |
BELT |
| 13 |
10-82761140 |
SCREW, (M10 x 40) |
| 14 |
12-4002319 |
WASHER |
| 15 |
825108 |
GEAR, Driven |
| 16 |
26-825048 |
SEAL, Oil |
| 17 |
17-825956 |
PIN, Dowel |
| 18 |
2407-8250471 |
CAMSHAFT |
| 19 |
17-826149 |
PIN |
| 20 |
825058A1 |
PUMP ASSEMBLY, Oil |
| 21 |
25-826152 |
O-RING |
| 22 |
25-826154 |
O-RING |
| 23 |
25-826153 |
O-RING |
| 24 |
10-4000333 |
SCREW, (M6 x 40) |
▶CARBURETOR LINKAGE (41 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
828524 |
DIAPHRAGM |
| 2 |
809587 |
JOINT |
| 3 |
10-827480M |
SCREW |
| 4 |
32-80960110 |
PIPE |
| 5 |
32-80960120 |
PIPE Comment: (QTY. OF 2 WITH CARB WITH ADJUSTABLE PILOT SCREW/ QTY. OF 1 WITH CARB WITH NON-ADJUSTABLE PILOT SCREW) |
| 6 |
32-809601 |
PIPE |
| 7 |
32-80960130 |
PIPE |
| 8 |
8095975 |
ROD, Choke |
| 9 |
11829M |
RETAINER |
| 10 |
12-809606 |
WASHER |
| 11 |
809597 |
ROD, Choke |
| 12 |
8095974 |
ROD, Choke |
| 13 |
25-809608 |
COLLAR |
| 14 |
8095981 |
JOINT |
| 15 |
8095972 |
ROD, Choke |
| 16 |
8095971 |
ROD, Choke |
| 17 |
10-80959910 |
SCREW |
| 18 |
809607 |
DAMPER, Throttle |
| 19 |
24-8096021 |
SPRING |
| 20 |
8095973 |
ROD, Choke |
| 21 |
8096001 |
LEVER, Starter |
| 22 |
809600 |
LEVER, Starter |
| 23 |
12-82207M |
WASHER |
| 24 |
10-8095992 |
SCREW |
| 25 |
12-82211M |
WASHER |
| 26 |
10-8095991 |
SCREW |
| 27 |
825106T |
AUTO START ASSEMBLY |
| 28 |
855531 |
COVER Comment: SN# 0G590000 & Up |
| 29 |
827631 |
BRACKET Comment: (INCLUDED W/825105A1 ON INTAKE) |
| 30 |
10-809599 |
SCREW |
| 31 |
11-809604 |
NUT |
| 32 |
12-80960610 |
WASHER |
| 33 |
809605 |
WIRE PULL |
| 34 |
97685T |
SOLENOID ASSEMBLY |
| 35 |
24-8096022 |
SPRING |
| 36 |
809603 |
PLATE |
| 37 |
10-8095993 |
SCREW |
| 38 |
8262311 |
CAM |
| 39 |
23-309772 |
SPACER |
| 40 |
12-4002314 |
WASHER |
| 41 |
10-40056107 |
SCREW, (M5 x 16) |
▶CARBURETOR(ADJUSTABLE PILOT SCREW) (49 parts)
| Ref |
OEM Part # |
Part Name |
| - |
809594A1 |
REPAIR KIT, Carburetor Comment: (One Kit per Carburetor) |
| 1 |
3319-825073A6 |
CARBURETOR Comment: (1) 40/45 |
| 2 |
3319-825073A7 |
CARBURETOR Comment: (2) 40/45 |
| 3 |
3319-825073A8 |
CARBURETOR Comment: (3) 40/45 |
| 4 |
3319-825073T9 |
CARBURETOR Comment: (4) 40/45 |
| 5 |
10-809571 |
SCREW, (M4 x 10) |
| 6 |
809572 |
COVER Comment: (1) |
| 7 |
809573 |
GASKET |
| 8 |
26-827737 |
SEAL, Rubber Comment: (40/45 ) |
| 9 |
10-8095784 |
SCREW SET, Pilot Comment: (40/45) |
| 10 |
25-809124M |
O-RING |
| 11 |
24-809579 |
SPRING, Air Adjusting |
| 12 |
12-826943M |
WASHER Comment: (1/2/3) |
| 13 |
24-8095791 |
SPRING Comment: (1/2/3) |
| 14 |
10-8095781 |
SCREW, Throttle Comment: (1/2/3) |
| 15 |
12-809580 |
WASHER |
| 16 |
53-94722M |
RING, Retaining |
| 17 |
809582 |
LEVER Comment: (1) |
| 18 |
13-92515M |
LOCKWASHER Comment: (1) |
| 19 |
11-809581 |
NUT Comment: (1) |
| 20 |
8095701 |
VALVE, Needle Comment: (40/45) |
| 21 |
10-8095711 |
SCREW, (M4 x 5) |
| 22 |
8095741 |
MAIN NOZZLE Comment: (40/45) |
| 23 |
25-11802M |
O-RING |
| 24 |
809577 |
MAIN NOZZLE |
| 25 |
42,8095761 |
JET, Pilot Comment: (40/45) |
| 26 |
103,8095752 |
JET, Main Comment: (3/4) (40/45) |
| 27 |
809569 |
FLOAT |
| 28 |
17-11794M |
PIN |
| 29 |
27-809568 |
GASKET |
| 30 |
809567 |
BODY Comment: (1/2/3) |
| 31 |
10-81758M |
SCREW, (M4 x 12) |
| 32 |
10-8095783 |
SCREW, Drain (M5 x 6) |
| 33 |
27-8095681 |
GASKET |
| 34 |
8095721 |
COVER Comment: (2) |
| 35 |
53-809584 |
CLIP Comment: (2) |
| 36 |
809585 |
ROLLER Comment: (2) |
| 37 |
8095721 |
COVER Comment: (3) |
| 38 |
11829M |
RETAINER Comment: (4) |
| 39 |
809586 |
ROD, Starter Comment: (4) |
| 40 |
809587 |
JOINT Comment: (4) |
| 41 |
10-8095781 |
SCREW, Throttle Comment: (4) |
| 42 |
24-8095791 |
SPRING, Pilot Adjusting Comment: (4) |
| 43 |
8095721 |
COVER Comment: (4) |
| 44 |
10-8095712 |
SCREW Comment: (4) |
| 45 |
12-8095801 |
WASHER Comment: (4) |
| 46 |
8095821 |
LEVER Comment: (4) |
| 47 |
10-826931M |
SCREW Comment: (4) |
| 48 |
8095671 |
BODY Comment: (4) |
▶CARBURETOR(NON-ADJUSTABLE PILOT SCREW) (45 parts)
| Ref |
OEM Part # |
Part Name |
| - |
809594A1 |
REPAIR KIT, Carburetor Comment: (One Kit per Carburetor) |
| 1 |
3319-825073T11 |
CARBURETOR Comment: (1) 50 NON-ADJUSTABLE PILOT SCREW |
| 2 |
3319-825073T12 |
CARBURETOR Comment: (2) 50 NON-ADJUSTABLE PILOT SCREW |
| 3 |
3319-825073T13 |
CARBURETOR Comment: (3) 50 NON-ADJUSTABLE PILOT SCREW |
| 4 |
3319-825073A14 |
CARBURETOR Comment: (4) 50 NON-ADJUSTABLE PILOT SCREW |
| 5 |
10-809571 |
SCREW, (M4 x 10) |
| 6 |
809572 |
COVER Comment: (1) |
| 7 |
809573 |
GASKET |
| 8 |
12-826943M |
WASHER Comment: (1/2/3) |
| 9 |
24-8095791 |
SPRING Comment: (1/2/3) |
| 10 |
10-8095781 |
SCREW, Throttle Comment: (1/2/3) |
| 11 |
12-809580 |
WASHER |
| 12 |
53-94722M |
RING, Retaining |
| 13 |
809582 |
LEVER Comment: (1) |
| 14 |
13-92515M |
LOCKWASHER Comment: (1) |
| 15 |
11-809581 |
NUT Comment: (1) |
| 16 |
809570 |
NEEDLE VALVE |
| 17 |
10-8095711 |
SCREW, (M4 x 5) |
| 18 |
809574 |
MAIN NOZZLE |
| 19 |
25-11802M |
O-RING |
| 20 |
809577 |
MAIN NOZZLE |
| 21 |
44,8095761 |
JET, Pilot |
| 22 |
112,809575 |
JET, Main |
| 23 |
809569 |
FLOAT |
| 24 |
17-11794M |
PIN |
| 25 |
27-809568 |
GASKET |
| 26 |
809567 |
BODY Comment: (1/2/3) |
| 27 |
10-81758M |
SCREW, (M4 x 12) |
| 28 |
10-8095783 |
SCREW, Drain (M5 x 6) |
| 29 |
27-8095681 |
GASKET |
| 30 |
8095721 |
COVER Comment: (2) |
| 31 |
53-809584 |
CLIP Comment: (2) |
| 32 |
809585 |
ROLLER Comment: (2) |
| 33 |
8095721 |
COVER Comment: (3) |
| 34 |
11829M |
RETAINER Comment: (4) |
| 35 |
809586 |
ROD, Starter Comment: (4) |
| 36 |
809587 |
JOINT Comment: (4) |
| 37 |
10-8095781 |
SCREW, Throttle Comment: (4) |
| 38 |
24-8095791 |
SPRING, Pilot Adjusting Comment: (4) |
| 39 |
8095721 |
COVER Comment: (4) |
| 40 |
10-8095712 |
SCREW Comment: (4) |
| 41 |
12-8095801 |
WASHER Comment: (4) |
| 42 |
8095821 |
LEVER Comment: (4) |
| 43 |
10-826931M |
SCREW Comment: (4) |
| 44 |
8095671 |
BODY Comment: (4) |
▶CLAMP BRACKET(NON BIGFOOT) (16 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
3412-821774T9 |
CLAMP BRACKET Comment: (GRAY-STBD.) |
| 2 |
3411-821773A2 |
CLAMP BRACKET Comment: (GRAY-PORT) |
| 3 |
97-8252711 |
ANODE |
| 4 |
10-8M0204707 |
SCREW, (M6 x 25) |
| 5 |
12-8M0204649 |
WASHER, (.281 x .500 x .060) Stainless Steel |
| 6 |
11-91962 |
NUT, (.500-20) |
| 7 |
12-8M0204648 |
WASHER, (1.5 x 3.05 x 0.13) Stainless Steel |
| 8 |
10-814259 |
SCREW, (.500-20 x 4.00) |
| 9 |
822401 |
CAP |
| 10 |
17-25319 |
PIN, (.125 x 0.75 Inches) |
| 11 |
23-823589 |
BUSHING |
| 12 |
17-8224001 |
PIN |
| 13 |
10-4009040 |
SCREW, (M10 x 40) Stainless Steel |
| 14 |
12-4002319 |
WASHER |
| 15 |
11-40140 |
NUT, (M10) |
| 16 |
37-8237011 |
DECAL, Co-Pilot |
▶CRANKSHAFT, PISTON AND CONNECTING ROD (13 parts)
| Ref |
OEM Part # |
Part Name |
| - |
27-832013A96 |
GASKET SET |
| 1 |
2406-831279A2 |
CRANKSHAFT Comment: (BIGFOOT) |
| 2 |
8M0151047 |
SEAL |
| 3 |
26-825028 |
SEAL, Oil Comment: SN# 0G324238 & Below |
| 4 |
8M0151048 |
SEAL Comment: (WITH RAISED RIB ON O.D.) SN# 0G324239 & Up |
| 5 |
600-893530T01 |
CONNECTING ROD |
| 6 |
10-8M0049884 |
BOLT |
| 7 |
23-893630002 |
BEARING, Blue |
| 8 |
2715-825011A2 |
PISTON ASSEMBLY Comment: (.5MM O/S) |
| 9 |
39-8250121 |
RING, Piston Comment: (.5MM O/S) |
| 10 |
39-825015 |
RING, Oil |
| 11 |
41-893863 |
PIN, Piston |
| 12 |
40-825017 |
RETAINER |
▶CYLINDER BLOCK (20 parts)
| Ref |
OEM Part # |
Part Name |
| - |
27-832013A96 |
GASKET SET |
| 1 |
892-824955T8 |
CYLINDER BLOCK ASSEMBLY Comment: (Use with Ref. #4 Oil Seal 26-832013 on Crankshaft) SN# 0G324239 & Up |
| 2 |
17-825010 |
PIN, Dowel |
| 3 |
22-479452 |
PLUG |
| 4 |
23-893631002 |
BEARING, Blue |
| 5 |
10-82506182 |
SCREW, (M8 x 82) |
| 6 |
10-8M0205943 |
SCREW, (M6 x 35) |
| 7 |
27-8M0213112 |
GASKET |
| 8 |
35-8M0162830 |
FILTER ASSEMBLY, Oil |
| 9 |
822625 |
NIPPLE, (M20) |
| 10 |
27-8M0058361 |
GASKET |
| 11 |
825030A1 |
COVER ASSEMBLY, Exhaust Comment: SN# 0G590000 & Up |
| 12 |
22-479452 |
PLUG Comment: SN# 0G590000 & Up |
| 13 |
855676003 |
THERMOSTAT |
| 14 |
27-8M0177107 |
GASKET Comment: (BIGFOOT) |
| 15 |
8M0188835 |
COVER |
| 16 |
10-8M0205943 |
SCREW, (M6 x 35) |
| 17 |
32-8M0108349 |
TUBING, (28.00 Inches Bulk) (11 IN.) |
| 18 |
54-816311T |
TIE STRAP, (8.00 Inches) |
| 19 |
22-996642 |
ELBOW |
▶CYLINDER HEAD (32 parts)
| Ref |
OEM Part # |
Part Name |
| - |
61-822775A98 |
POWERHEAD ASSEMBLY Comment: (BIGFOOT) |
| 1 |
825034A9 |
CYLINDER HEAD ASSEMBLY |
| 2 |
10-83124714 |
BOLT |
| 3 |
12-831246 |
WASHER, Sealing |
| 4 |
8M0054272 |
GUIDE |
| 5 |
53-825038 |
CIRCLIP |
| 6 |
10-84088M |
SCREW, (M6 x 10) |
| 7 |
27-827610 |
GASKET |
| 8 |
826887M |
ANODE |
| 9 |
25-825040 |
GROMMET |
| 10 |
826888M |
COVER |
| 11 |
10-8M0204741 |
SCREW, (M6 x 20) Stainless Steel |
| 12 |
10-827607 |
BOLT |
| 13 |
10-4005785 |
SCREW, (M4 x 10) |
| 14 |
825055 |
COVER |
| 15 |
25-825056 |
O-RING |
| 16 |
8250534 |
COVER Comment: SN# 0G589999 & Below |
| 17 |
22-825054 |
BREATHER PIPE |
| 18 |
10-8M0204741 |
SCREW, (M6 x 20) Stainless Steel |
| 19 |
27-825032 |
GASKET |
| 20 |
17-825010 |
PIN, Dowel |
| 21 |
10-893745025 |
SCREW, (M6 x 25) |
| 22 |
10-82503395 |
SCREW, (M9 x 95) |
| 23 |
27-827610 |
GASKET |
| 24 |
826060 |
DIAPHRAGM |
| 25 |
828528 |
BRACKET Comment: (NON HANDLE) |
| 26 |
830294T1 |
BRACKET Comment: (HANDLE) |
| 27 |
10-40011126 |
SCREW, (M6 x 13) Stainless Steel |
| 28 |
22-629101 |
ELBOW, (.125-27) |
| 29 |
8266241 |
CLAMP |
| 30 |
859578A1 |
PLUG |
| 31 |
25-8M0052669 |
O-RING |
▶DRIVESHAFT HOUSING (27 parts)
| Ref |
OEM Part # |
Part Name |
| - |
27-832013A96 |
GASKET SET |
| 1 |
42941001 |
SEAL, Water Tube |
| 2 |
3532-825218T6 |
HOUSING ASSEMBLY, Driveshaft Comment: (GRAY) NON-BIGFOOT |
| 3 |
1503-852421T4 |
HOUSING ASSEMBLY, Driveshaft Comment: (GRAY) BIGFOOT |
| 4 |
825220T06 |
PIPE, Exhaust |
| 5 |
893770 |
PLATE Comment: BIGFOOT |
| 6 |
10-1993325 |
SCREW, (M10 x 25 MM) Comment: BIGFOOT |
| 7 |
10-824459110 |
SCREW, (M8 x 110) Stainless Steel |
| 8 |
10-88960845 |
SCREW, (M8 x 45) |
| 9 |
8M0043364 |
BUMPER |
| 10 |
8288181 |
PLUG, Drain |
| 11 |
27-8M0204692 |
GASKET |
| 12 |
826276 |
BUMPER |
| 13 |
8M0151042 |
GROMMET |
| 14 |
16-903501 |
STUD, (M10 x 100) Comment: (BIGFOOT) |
| 15 |
12-8M0214963 |
WASHER, (.406 x .750 x .104) |
| 16 |
11-40140 |
NUT, (M10) |
| 17 |
32-897971A01 |
TUBE, Water |
| 18 |
54-828529 |
GUIDE |
| 19 |
10-4000380 |
SCREW, (M10 x 45) |
| 20 |
12-45176 |
WASHER, (.453 x .812 x .105) Stainless Steel |
| 21 |
22-85822A7 |
SPEEDOMETER PICK UP Comment: BIGFOOT |
| 22 |
22-85822T |
CONNECTOR, Straight Comment: BIGFOOT |
| 23 |
22-8M0181450 |
FITTING Comment: BIGFOOT |
| 24 |
23-813745 |
SPACER Comment: BIGFOOT |
| 25 |
43585 |
COUPLING Comment: BIGFOOT |
| 26 |
23-855623 |
BUSHING Comment: BIGFOOT |
▶ELECTRICAL COMPONENTS (36 parts)
| Ref |
OEM Part # |
Part Name |
| - |
61-822775A98 |
POWERHEAD ASSEMBLY Comment: (BIGFOOT) |
| 1 |
10-8M0204741 |
SCREW, (M6 x 20) Stainless Steel |
| 2 |
8250983 |
CONTROLLER ASSEMBLY, Electric Comment: (40/45) |
| 3 |
8347912 |
BRACKET Comment: SN# 0G472133 & Up |
| 4 |
8347913 |
BRACKET Comment: (BIGFOOT) |
| 5 |
825092 |
STAY Comment: SN# 0G472132 & Below |
| 6 |
825094 |
BRACKET, Starter Comment: SN# 0G472132 & Below |
| 7 |
10-81893435 |
SCREW, (M8 x 35) |
| 8 |
825074 |
SOLENOID PLATE |
| 9 |
10-8248324 |
SCREW, (M6 x 16) |
| 10 |
11-401386 |
NUT, (M6) |
| 11 |
825096T01 |
SOLENOID |
| 12 |
8M0010250 |
BRACKET |
| 13 |
825076 |
REGULATOR, Voltage |
| 14 |
10-8248326 |
SCREW, (M6 x 25 MM) |
| 15 |
87-8M0098207 |
PRESSURE SWITCH |
| 16 |
815004M |
PLATE |
| 17 |
87-8280391 |
TEMPERATURE SWITCH |
| 18 |
10-40011126 |
SCREW, (M6 x 13) Stainless Steel |
| 19 |
25-82069M |
GROMMET |
| 20 |
84-825102A1 |
HIGH TENSION LEAD |
| 21 |
33-827858Q |
SPARK PLUG, NGK-DPR6EA-9 |
| 22 |
339-825101T |
COIL ASSEMBLY, Ignition |
| 23 |
10-82684430 |
SCREW, (M6 x 30) |
| 24 |
12-8M0214930 |
WASHER Comment: (USE WHERE APPLICABLE) |
| 25 |
84-827350A3 |
HARNESS ASSEMBLY, Engine Wiring |
| 26 |
88-812619 |
FUSE, Yellow - 20 Ampere |
| 27 |
10-40011126 |
SCREW, (M6 x 13) Stainless Steel Comment: (BIGFOOT) |
| 28 |
10-40011126 |
SCREW, (M6 x 13) Stainless Steel |
| 29 |
54-816311T |
TIE STRAP, (8.00 Inches) |
| 30 |
84-88439A4 |
CABLE ASSEMBLY, Battery - Negative |
| 31 |
85-79695T |
BOOT, Insulator - Black |
| 32 |
84-88439A9 |
CABLE ASSEMBLY, Battery - Positive |
| 33 |
8M0032848 |
RETAINER |
| 34 |
87-8M0042301 |
SWITCH |
| 35 |
84-86232A4 |
HARNESS ASSEMBLY, Auxiliary Comment: (HANDLE) |
▶EXTENSION COMPONENTS(NON BIGFOOT) (10 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
11-40140 |
NUT, (M10) |
| 2 |
16-8168665 |
STUD, (M10 x 130) |
| 3 |
16-824083 |
STUD, (M10 x 114) |
| 4 |
12-8M0214963 |
WASHER, (.406 x .750 x .104) |
| 5 |
12-45176 |
WASHER, (.453 x .812 x .105) Stainless Steel |
| 6 |
824072A2 |
SPACER, Driveshaft Housing Extension Comment: (GRAY) |
| 7 |
17-821327 |
PIN, Dowel |
| 8 |
824082A1 |
TUBE ASSEMBLY, Water - Extension |
| 9 |
25-8M0204645 |
O-RING, (.796 x .139) |
| 10 |
26-824084 |
SEAL |
▶FLYWHEEL (16 parts)
| Ref |
OEM Part # |
Part Name |
| - |
61-822775A98 |
POWERHEAD ASSEMBLY Comment: (BIGFOOT) |
| 1 |
825093 |
COVER |
| 2 |
25-8M0153609 |
GROMMET |
| 3 |
32-9912878 |
HOSE, (.187) (26.00 Inches Bulk) (19 IN.) |
| 4 |
25-42117 |
GROMMET Comment: (BIGFOOT) |
| 5 |
11-893789 |
NUT |
| 6 |
12-893762 |
WASHER |
| 7 |
280-825090A2 |
FLYWHEEL Comment: (40/45 /50 BIGFOOT) |
| 8 |
10-82494825 |
SCREW, (M6 x 25) |
| 9 |
398-8250891 |
STATOR Comment: (BIGFOOT) |
| 10 |
825110 |
BASE, Stator |
| 11 |
10-8248326 |
SCREW, (M6 x 25 MM) |
| 12 |
17-825010 |
PIN, Dowel |
| 13 |
28-8261001 |
KEY |
| 14 |
826061 |
COIL, Pulser |
| 15 |
10-82104510 |
SCREW, (M5 x 10) |
▶FUEL PUMP (27 parts)
| Ref |
OEM Part # |
Part Name |
| - |
27-832013A96 |
GASKET SET |
| 1 |
35-816296Q2 |
FILTER, Fuel Comment: SN# 0G589999 & Below |
| 2 |
54-816311T |
TIE STRAP, (8.00 Inches) Comment: SN# 0G589999 & Below |
| 3 |
32-8M0108355 |
HOSE, (57.00 Inches Bulk) (10 IN.) Comment: SN# 0G589999 & Below |
| 4 |
32-8M0108349 |
TUBING, (28.00 Inches Bulk) Comment: SN# 0G589999 & Below |
| 5 |
22-816856Q3 |
CONNECTOR ASSEMBLY, Fuel - Plastic Comment: SN# 0G589999 & Below |
| 6 |
826398T3 |
PUMP ASSEMBLY, Fuel |
| 7 |
10-809564 |
SCREW, (M5 x 35) |
| 8 |
809565 |
COVER |
| 9 |
8095611 |
DIAPHRAGM |
| 10 |
10-41889M |
SCREW, (M3 x 5) |
| 11 |
11-82537M |
NUT |
| 12 |
21-41888M |
CHECK VALVE |
| 13 |
8095612 |
DIAPHRAGM |
| 14 |
17-8095661 |
PIN |
| 15 |
24-809562 |
SPRING |
| 16 |
11-82388M |
NUT, (M5) |
| 17 |
24-8095621 |
SPRING |
| 18 |
8095631 |
PLUNGER |
| 19 |
25-8M0052669 |
O-RING |
| 20 |
10-82684430 |
SCREW, (M6 x 30) |
| 21 |
54-8M0024808 |
J CLIP |
| 22 |
22-8M0148585 |
CONNECTOR ASSEMBLY, Fuel Comment: SN# 0G590000 & Up |
| 23 |
32-8M0108355 |
HOSE, (57.00 Inches Bulk) (19 IN.) Comment: SN# 0G590000 & Up |
| 24 |
32-8M0108355 |
HOSE, (57.00 Inches Bulk) (16 IN.) Comment: SN# 0G590000 & Up |
| 25 |
54-816311T |
TIE STRAP, (8.00 Inches) Comment: SN# 0G590000 & Up |
| 26 |
35-816296Q03 |
FILTER, Fuel Comment: SN# 0G590000 & Up |
▶GEAR HOUSING(DRIVESHAFT)(2.31:1 GEAR RATIO) (41 parts)
| Ref |
OEM Part # |
Part Name |
| - |
46-8M0113799 |
REPAIR KIT, Water Pump |
| 1 |
1667-9011G60 |
GEAR HOUSING ASSEMBLY Comment: (GRAY) BASIC |
| 2 |
17-8M0084244 |
PIN, Dowel - With Hole (.375 x .625) (FRONT) |
| 3 |
10-79953Q04 |
SCREW KIT, (.375-16 x .250) |
| 4 |
22-8M0058389 |
FITTING KIT, Magnetic, Plug Fill/Drain |
| 5 |
12-191833 |
WASHER, Fiber |
| 6 |
17-43044 |
PIN, Dowel - Without Hole (.375 x .625) (REAR) |
| 7 |
31640T07 |
TRIM TAB |
| 8 |
10-825427 |
SCREW, (.437-14 x 1.250) Stainless Steel |
| 9 |
12-45176 |
WASHER, (.453 x .812 x .105) Stainless Steel |
| 10 |
43040T1 |
CARRIER ASSEMBLY |
| 11 |
43046 |
TUBE, Oiler |
| 12 |
97-826134Q |
ANODE |
| 13 |
10-4000333 |
SCREW, (M6 x 40) |
| 14 |
11-401386 |
NUT, (M6) |
| 15 |
43-44484T |
GEAR, Pinion (13 Teeth) (ALSO PART OF 43-850033A2) |
| 16 |
11-35921 |
NUT, (.625-18) |
| 17 |
850307 |
CAM, Shift Control |
| 18 |
31-42677A1 |
BEARING ASSEMBLY, Tapered Roller |
| 19 |
15-44492A1 |
SHIM SET |
| 20 |
45-854808A1 |
DRIVESHAFT ASSEMBLY |
| 21 |
42461A1 |
SLEEVE/RING KIT |
| 22 |
43055A4 |
COVER ASSEMBLY, Water Pump |
| 23 |
27-8M0214931 |
GASKET |
| 24 |
26-43036 |
SEAL, Oil (LOWER) |
| 25 |
26-43035 |
SEAL, Oil (UPPER) |
| 26 |
27-430331 |
GASKET |
| 27 |
27-8172771 |
GASKET |
| 28 |
817275A2 |
HOUSING KIT, Upper Water Pump |
| 29 |
8M0204709 |
FACEPLATE |
| 30 |
10-8M0214957 |
SCREW, (M6 x 30) |
| 31 |
8M0204658 |
SEAL |
| 32 |
28-8M0204723 |
KEY |
| 33 |
47-43026T2 |
IMPELLER |
| 34 |
10-8248326 |
SCREW, (M6 x 25 MM) |
| 35 |
853906A1 |
SHIFT SHAFT ASSEMBLY |
| 36 |
53-29641 |
E RING |
| 37 |
23-43052A4 |
BUSHING ASSEMBLY |
| 38 |
25-8M0204681 |
O-RING, (1.424 x .103) |
| 39 |
26-8M0204708 |
SEAL, Oil |
| 40 |
10-8248326 |
SCREW, (M6 x 25 MM) |
▶GEAR HOUSING(PROPELLER SHAFT)(2.31:1 GEAR RATIO) (28 parts)
| Ref |
OEM Part # |
Part Name |
| - |
26-43035A4 |
SEAL KIT, Gear Housing |
| 1 |
1667-9011G60 |
GEAR HOUSING ASSEMBLY Comment: (GRAY) |
| 41 |
43-859472A3 |
GEAR KIT, Forward (30 TEETH) |
| 42 |
15-44491A1 |
SHIM SET |
| 43 |
31-30894A1 |
BEARING SET, Cup And Cone |
| 44 |
31-30895T |
BEARING, Needle |
| 45 |
850315A1 |
FOLLOWER KIT, Cam |
| 46 |
30-44530 |
BALL |
| 47 |
24-850327 |
SPRING |
| 48 |
52-850048T |
CLUTCH |
| 49 |
17-8M0100263 |
PIN, Cross |
| 50 |
24-30893 |
SPRING |
| 51 |
44-8M0140445 |
PROPELLER SHAFT |
| 52 |
43-850034T |
GEAR, Reverse (30 Teeth) |
| 53 |
8M0168901 |
CARRIER ASSEMBLY, Bearing |
| 54 |
25-8M0214974 |
O-RING, (3.609 x .139) |
| 55 |
31-30956T |
BEARING, Needle |
| 56 |
26-8M0205728 |
SEAL, Oil (INNER) |
| 57 |
26-8M0205729 |
SEAL, Oil (OUTER) |
| 58 |
31-12578T |
BEARING, Needle |
| 59 |
12-12577 |
THRUST WASHER |
| 60 |
31-12576 |
BEARING, Thrust |
| 61 |
16-8M0034456 |
STUD, (M8 x 1.25 x 48) (M8 X 48) |
| 62 |
12-855941 |
WASHER, (.323 x .590 x .112) Stainless Steel |
| 63 |
11-401378 |
NUT, (M8) |
| 64 |
13191Q01 |
THRUST WASHER Comment: THESE PARTS ARE NOT INCLUDED WITH REPLACEMENT |
| 65 |
11-52707Q1 |
PROP NUT KIT, (.750-16) Comment: THESE PARTS ARE NOT INCLUDED WITH REPLACEMENT |
| 66 |
14-816629Q |
TAB WASHER Comment: THESE PARTS ARE NOT INCLUDED WITH REPLACEMENT |
▶GEARHOUSING(DRIVESHAFT)(1.83:1/2:1 GEAR RATIO) (39 parts)
| Ref |
OEM Part # |
Part Name |
| - |
821354A2 |
REPAIR KIT, Water Pump |
| 1 |
1682-821306T13 |
GEAR HOUSING ASSEMBLY Comment: (BASIC-GRAY) |
| 2 |
818226A1 |
SEAL/PLATE KIT |
| 3 |
NSS |
NOT SOLD SEPARATE, Plate Comment: (PART OF 818226A1) |
| 4 |
10-79953Q04 |
SCREW KIT, (.375-16 x .250) |
| 5 |
12-191833 |
WASHER, Fiber |
| 6 |
22-8M0058389 |
FITTING KIT, Magnetic, Plug Fill/Drain |
| 7 |
12-191833 |
WASHER, Fiber |
| 8 |
11-55910 |
NUT, (.437-20) |
| 9 |
43-821326T1 |
GEAR, Pinion (13 TEETH) Comment: (2:1 GEAR RATIO) |
| 10 |
31-821321A2 |
BEARING ASSEMBLY |
| 11 |
NSS |
NOT SOLD SEPARATE, Cup (PART OF 31-821321A2) |
| 12 |
10-8248324 |
SCREW, (M6 x 16) |
| 13 |
46-821351A3 |
PUMP ASSEMBLY, Water |
| 14 |
8235471 |
SEAL |
| 15 |
12-866451 |
WASHER |
| 16 |
28-8M0214993 |
KEY |
| 17 |
12-866451 |
WASHER |
| 18 |
27-822189 |
GASKET, Upper Water Pump |
| 19 |
27-8M0214956 |
GASKET, Lower Water Pump |
| 20 |
8213542 |
FACE PLATE |
| 21 |
47-8M0204712 |
IMPELLER |
| 22 |
46-821307A2 |
BASE ASSEMBLY, Water Pump |
| 23 |
26-821309 |
SEAL |
| 24 |
26-821310 |
SEAL |
| 25 |
25-821308 |
O-RING, (1.421 x .139) |
| 26 |
45-826195A1 |
DRIVESHAFT Comment: (33-1/3)(LL) |
| 27 |
30-821311 |
BEARING, Ball |
| 28 |
823548T |
TIE STRAP |
| 29 |
822158 |
BOOT |
| 30 |
821827 |
RETAINER |
| 31 |
25-26855 |
O-RING, (1.609 x .139) |
| 32 |
25-85594 |
O-RING, (.239 x .174) |
| 33 |
12-814803 |
WASHER |
| 34 |
8278652 |
SHIFT SHAFT Comment: (33.64)(LL) |
| 35 |
12-8M0204649 |
WASHER, (.281 x .500 x .060) Stainless Steel |
| 36 |
17-85593 |
PIN, (.078 x .437) |
| 37 |
8213161 |
CAM, Shift |
| 38 |
17-822369 |
PIN, (.125 x .625) |
▶GEARHOUSING(PROPSHAFT)(1.83:1/2:1 GEAR RATIO) (37 parts)
| Ref |
OEM Part # |
Part Name |
| - |
823547A2 |
SEAL KIT |
| 1 |
1682-821306T13 |
GEAR HOUSING ASSEMBLY Comment: (GRAY) |
| 39 |
17-821327 |
PIN, Dowel |
| 40 |
27-823942 |
GASKET |
| 41 |
32-8M0026108 |
TUBE |
| 42 |
19-824928001 |
PLUG, Rubber |
| 43 |
821829 |
SCREEN |
| 44 |
822157T2 |
TRIM TAB |
| 45 |
10-82497020 |
SCREW, (M8 x 20) |
| 46 |
12-72397 |
WASHER |
| 47 |
43-821315T1 |
GEAR ASSEMBLY, Forward (26 TEETH) Comment: (2:1 GEAR RATIO) |
| 48 |
31-8M0103470 |
BEARING ASSEMBLY, Roller |
| 49 |
NSS |
NOT SOLD SEPARATE, Cup |
| 50 |
31-41326 |
BEARING, Roller |
| 51 |
821578 |
FOLLOWER, Cam |
| 52 |
24-8261991 |
SPRING |
| 53 |
17-8M0020999 |
PIN |
| 54 |
52-821314T |
CLUTCH |
| 55 |
24-38114 |
SPRING |
| 56 |
44-8M0140441 |
PROPELLER SHAFT |
| 57 |
43-821312T1 |
GEAR, Reverse (26 TEETH) Comment: (2:1 GEAR RATIO) |
| 58 |
30-20839T |
BEARING, Ball |
| 59 |
8M0168900 |
CARRIER ASSEMBLY, Bearing |
| 60 |
25-815460 |
O-RING |
| 61 |
31-21700 |
BEARING, Needle |
| 62 |
26-8M0205511 |
SEAL, Oil |
| 63 |
26-8M0203757 |
SEAL, Oil |
| 64 |
12-855941 |
WASHER, (.323 x .590 x .112) Stainless Steel Comment: (USE W/THREADED INSERT) |
| 65 |
10-85594030 |
SCREW, (M8 x 30) Comment: (USE W/THREADED INSERT) |
| 66 |
8227731 |
INSERT, Threaded |
| 67 |
NSS |
NOT SOLD SEPARATE, Decal-Gear Ratio |
| 68 |
73345A1 |
THRUST HUB Comment: THESE REPLACEMENT PARTS ARE NOT INCLUDED WITH COMPLETE GEAR HOUSING REPLACEMENT |
| 69 |
11-69578Q1 |
PROP NUT KIT Comment: THESE REPLACEMENT PARTS ARE NOT INCLUDED WITH COMPLETE GEAR HOUSING REPLACEMENT |
| 70 |
14-8M0214942 |
TAB WASHER Comment: THESE REPLACEMENT PARTS ARE NOT INCLUDED WITH COMPLETE GEAR HOUSING REPLACEMENT |
| 71 |
10-4000380 |
SCREW, (M10 x 45) Comment: THESE REPLACEMENT PARTS ARE NOT INCLUDED WITH COMPLETE GEAR HOUSING REPLACEMENT |
| 72 |
12-45176 |
WASHER, (.453 x .812 x .105) Stainless Steel Comment: THESE REPLACEMENT PARTS ARE NOT INCLUDED WITH COMPLETE GEAR HOUSING REPLACEMENT |
| 73 |
19-95925 |
PLUG Comment: THESE REPLACEMENT PARTS ARE NOT INCLUDED WITH COMPLETE GEAR HOUSING REPLACEMENT |
▶INTAKE (34 parts)
| Ref |
OEM Part # |
Part Name |
| - |
809594A1 |
REPAIR KIT, Carburetor Comment: (One Kit per Carburetor) |
| 1 |
10-8248326 |
SCREW, (M6 x 25 MM) |
| 2 |
25-8250572 |
O-RING |
| 3 |
827579 |
INSULATOR |
| 4 |
19-827633 |
PLUG |
| 5 |
825077 |
JOINT, Carburetor |
| 6 |
17-23784 |
PIN, Dowel |
| 7 |
25-826156 |
O-RING |
| 8 |
25-8250572 |
O-RING |
| 9 |
25-826157 |
O-RING |
| 10 |
25-809596 |
GROMMET |
| 11 |
54-816311T |
TIE STRAP, (8.00 Inches) |
| 12 |
32-822674 |
BREATHER PIPE |
| 13 |
54-827612 |
CLAMP |
| 14 |
23-17044M |
BUSHING |
| 15 |
10-82615890 |
SCREW, (M6 x 90) |
| 16 |
10-82684430 |
SCREW, (M6 x 30) |
| 17 |
23-827578 |
COLLAR |
| 18 |
825105A1 |
SILENCER ASSEMBLY, Intake |
| 19 |
56762 |
TIE STRAP, (4.00 Inches) |
| 20 |
13540 |
CAP, Female |
| 21 |
54-98974M |
CLIP |
| 22 |
32-826568 |
HOSE |
| 23 |
22-97083M |
TEE FITTING |
| 24 |
32-11840M |
HOSE |
| 25 |
32-826563 |
HOSE |
| 26 |
54-98974M |
CLIP |
| 27 |
32-826565 |
HOSE |
| 28 |
32-826566 |
HOSE, Fuel |
| 29 |
54-811261M |
CLAMP |
| 30 |
22-828527 |
CONNECTOR |
| 31 |
32-11840M |
HOSE |
| 32 |
32-828525 |
HOSE |
| 33 |
54-814967M |
CLIP |
▶INTAKE/EXHAUST VALVES (17 parts)
| Ref |
OEM Part # |
Part Name |
| - |
825034A17 |
CYLINDER HEAD ASSEMBLY |
| 1 |
8M0119204 |
VALVE, Exhaust |
| 2 |
822648 |
VALVE, Intake |
| 3 |
12-825044 |
WASHER, Valve Spring |
| 4 |
26-822647 |
SEAL, Valve Stem |
| 5 |
24-823678 |
SPRING, Valve Outer |
| 6 |
822650 |
RETAINER |
| 7 |
28-893554 |
KEY |
| 8 |
898821A01 |
ROCKER ARM |
| 9 |
10-825046 |
SCREW |
| 10 |
11-826150 |
NUT |
| 11 |
825049 |
SHAFT, Rocker |
| 12 |
825050 |
BRACKET |
| 13 |
825051 |
PLATE |
| 14 |
24-825052 |
SPRING |
| 15 |
10-82641030 |
SCREW, (M8 x 30) |
| 16 |
19-825042 |
PLUG |
▶LINKAGE(BIGFOOT) (22 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
10-40011158 |
SCREW, (M8 x 70) Stainless Steel |
| 2 |
10-814776 |
SCREW, Adjusting (M6 x 55) |
| 3 |
11-401196 |
NUT, (M6) |
| 4 |
42942 |
CAP |
| 5 |
826587 |
RETAINER |
| 6 |
822682A4 |
LEVER, Throttle |
| 7 |
23-825078 |
BUSHING |
| 8 |
822459 |
RETAINER |
| 9 |
8259571 |
LEVER, Shift |
| 10 |
827706A4 |
BRACKET |
| 11 |
98889 |
LATCH |
| 12 |
10-8248324 |
SCREW, (M6 x 16) |
| 13 |
23-15885 |
SLEEVE |
| 14 |
893777 |
SHIFT ROD |
| 15 |
8501631 |
GUIDE |
| 16 |
893769A01 |
SHIFT LINK |
| 17 |
23-48475 |
BUSHING |
| 18 |
12-8M0204649 |
WASHER, (.281 x .500 x .060) Stainless Steel |
| 19 |
11-401386 |
NUT, (M6) |
| 20 |
18-25191 |
COTTER PIN |
| 21 |
850166T2 |
LEVER ASSEMBLY, Shift Shaft |
| 22 |
23-850165 |
BUSHING |
▶LINKAGE(NON BIGFOOT) (33 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
10-40011158 |
SCREW, (M8 x 70) Stainless Steel |
| 2 |
10-814776 |
SCREW, Adjusting (M6 x 55) |
| 3 |
11-401196 |
NUT, (M6) |
| 4 |
42942 |
CAP Comment: (40/50) |
| 5 |
23-830181 |
BUSHING Comment: (45) |
| 6 |
826587 |
RETAINER |
| 7 |
822682A4 |
LEVER, Throttle |
| 8 |
23-825078 |
BUSHING |
| 9 |
822459 |
RETAINER Comment: NON HANDLE |
| 10 |
8259571 |
LEVER, Shift Comment: NON HANDLE SN# 0G589999 & Below |
| 11 |
827706A4 |
BRACKET Comment: NON HANDLE |
| 12 |
98889 |
LATCH Comment: NON HANDLE |
| 13 |
10-8248324 |
SCREW, (M6 x 16) Comment: NON HANDLE |
| 14 |
23-15885 |
SLEEVE Comment: NON HANDLE |
| 15 |
882820 |
SHIFT ROD Comment: NON HANDLE |
| 16 |
8262312 |
CAM, Throttle Comment: (40 ITALIAN) |
| 17 |
23-309772 |
SPACER |
| 18 |
12-4002314 |
WASHER |
| 19 |
10-40056107 |
SCREW, (M5 x 16) |
| 20 |
826588A4 |
SHIFT SHAFT ASSEMBLY, Horizontal Comment: SN# 0G472133 & Up |
| 21 |
8277071 |
RETAINER Comment: SN# 0G472133 & Up |
| 22 |
826588A1 |
SHIFT SHAFT ASSEMBLY, Horizontal Comment: SN# 0G472132 & Below |
| 23 |
8277071 |
RETAINER Comment: SN# 0G472132 & Below |
| 24 |
8030072 |
BRACKET Comment: SN# 0G472132 & Below |
| 25 |
10-8248326 |
SCREW, (M6 x 25 MM) Comment: SN# 0G472132 & Below |
| 26 |
12-8M0214930 |
WASHER |
| 27 |
18-210711 |
COTTER PIN |
| 28 |
24-826077 |
SPRING, Detent |
| 29 |
824994 |
SPRING, Plate |
| 30 |
10-40011107 |
SCREW, (M5 x 16) Stainless Steel |
| 31 |
87-8M0052927 |
SWITCH Comment: HANDLE MODELS |
| 32 |
10-88075020 |
SCREW, (M3.5 x 20) Stainless Steel Comment: HANDLE MODELS |
| 33 |
824923 |
PLATE Comment: HANDLE MODELS |
▶MISCELLANEOUS INFORMATION (1 parts)
| Ref |
OEM Part # |
Part Name |
| 0 |
37-855577A45 |
DECAL, EPA Label Information (1998) |
▶POWER TRIM COMPONENTS(BIGFOOT) (30 parts)
| Ref |
OEM Part # |
Part Name |
| - |
84-826802A15 |
HARNESS/RELAY ASSEMBLY |
| 1 |
855833 |
SHOCK ROD KIT |
| 2 |
8M0171822 |
PISTON ASSEMBLY, Memory |
| 3 |
25-8M0171819 |
O-RING KIT, Rebuild |
| 5 |
893904T01 |
CYLINDER ASSEMBLY |
| 6 |
893905A02 |
VALVE KIT, Trim Limit |
| 7 |
893906A02 |
PUMP ASSEMBLY |
| 8 |
893907A02 |
MOTOR KIT |
| 9 |
22-8134351 |
PLUG |
| 10 |
893929A01 |
MANUAL RELEASE ASSEMBLY |
| 11 |
893909A02 |
MANIFOLD KIT |
| 12 |
10-809876A1 |
SCREW KIT (MOTOR) |
| 13 |
809877A1 |
DRIVESHAFT/SEAL KIT |
| 14 |
35-893912A02 |
FILTER KIT |
| 15 |
893913A02 |
POPPET KIT |
| 16 |
88238A18 |
CABLE ASSEMBLY |
| 17 |
17-821539 |
PIN, Trilobe |
| 18 |
17-19607 |
PIN |
| 19 |
17-822869001 |
PIN |
| 20 |
84-852539A1 |
HARNESS ASSEMBLY, Adaptor |
| 21 |
84-826802A12 |
HARNESS ASSEMBLY |
| 22 |
8M0207773 |
RELAY ASSEMBLY |
| 23 |
828102 |
BRACKET |
| 24 |
25-818967 |
GROMMET |
| 25 |
23-8M0214955 |
BUSHING |
| 26 |
10-8248326 |
SCREW, (M6 x 25 MM) |
| 27 |
13541 |
PLUG, Male |
| 28 |
54-22740 |
CLIP |
| 29 |
8M0084613 |
C WASHER |
| 30 |
10-878609 |
SCREW, (#10-16 x .600) |
▶POWER TRIM(NON BIGFOOT) (34 parts)
| Ref |
OEM Part # |
Part Name |
| - |
84-826802A14 |
HARNESS/RELAY ASSEMBLY, Trim Comment: SN# 0G472133 & Up |
| 1 |
822344T14 |
POWER TRIM |
| 2 |
893931A01 |
SHOCK ROD ASSEMBLY |
| 3 |
827671A1 |
PILOT CHECK ASSEMBLY |
| 4 |
827672A1 |
TILT RELIEF VALVE ASSEMBLY |
| 5 |
827673A1 |
SEAT ASSEMBLY, Suction |
| 6 |
827674A1 |
PUMP ASSEMBLY |
| 7 |
NSS |
NOT SOLD SEPARATE, Spring/down Relief Ball |
| 8 |
NSS |
NOT SOLD SEPARATE, Screw (10-32 x 1-1/4 IN.) |
| 9 |
NSS |
NOT SOLD SEPARATE, Filter |
| 10 |
NSS |
NOT SOLD SEPARATE, Seal Ring |
| 11 |
827675A1 |
MOTOR ASSEMBLY |
| 12 |
NSS |
NOT SOLD SEPARATE, Screw (1/4-28 x 5/8 IN.) |
| 13 |
88238A15 |
CABLE ASSEMBLY |
| 14 |
NSS |
NOT SOLD SEPARATE, Lockwasher |
| 15 |
NSS |
NOT SOLD SEPARATE, O-Ring |
| 16 |
NSS |
NOT SOLD SEPARATE, Coupler |
| 17 |
827676 |
PISTON, Memory |
| 18 |
893929A01 |
MANUAL RELEASE ASSEMBLY |
| 19 |
19-811613 |
PLUG ASSEMBLY |
| 20 |
84-819514A58 |
HARNESS ASSEMBLY, Trim Comment: SN# 0G472132 & Below |
| 21 |
821509T01 |
RELAY Comment: SN# 0G472132 & Below |
| 22 |
821382 |
BRACKET Comment: SN# 0G472132 & Below |
| 23 |
25-818967 |
GROMMET Comment: SN# 0G472132 & Below |
| 24 |
23-8M0214955 |
BUSHING Comment: SN# 0G472132 & Below |
| 25 |
10-8248326 |
SCREW, (M6 x 25 MM) Comment: SN# 0G472132 & Below |
| 26 |
13541 |
PLUG, Male Comment: SN# 0G472132 & Below |
| 27 |
84-826802A9 |
HARNESS ASSEMBLY, Trim Comment: SN# 0G472133 & Up |
| 28 |
8M0207773 |
RELAY ASSEMBLY Comment: SN# 0G472133 & Up |
| 29 |
828102 |
BRACKET Comment: SN# 0G472133 & Up |
| 30 |
25-818967 |
GROMMET Comment: SN# 0G472133 & Up |
| 31 |
23-8M0214955 |
BUSHING Comment: SN# 0G472133 & Up |
| 32 |
10-8248326 |
SCREW, (M6 x 25 MM) Comment: SN# 0G472133 & Up |
| 33 |
84-852539A1 |
HARNESS ASSEMBLY, Adaptor Comment: SN# 0G472133 & Up |
▶Power Trim Mounting(Non-Bigfoot) (14 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
17-822481001 |
PIN, Anchor (14 mm) |
| 2 |
23-822482 |
BUSHING |
| 3 |
23-822484 |
BUSHING |
| 4 |
12-825190 |
WASHER |
| 5 |
11-826712 |
NUT, (M14) |
| 6 |
10-4009040 |
SCREW, (M10 x 40) Stainless Steel |
| 7 |
12-4002319 |
WASHER |
| 8 |
11-40140 |
NUT, (M10) |
| 9 |
10-878609 |
SCREW, (#10-16 x .600) |
| 10 |
8M0084613 |
C WASHER |
| 11 |
54-22740 |
CLIP |
| 12 |
17-821539 |
PIN, Trilobe |
| 13 |
17-822480 |
PIN, Pivot |
| 14 |
23-823507 |
BUSHING |
▶STARTER MOTOR(S/N-0G472132 AND BELOW) (22 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
50-825095 |
STARTER MOTOR ASSEMBLY |
| 2 |
809556 |
RETAINER |
| 3 |
809555T |
GEAR |
| 4 |
809557 |
BRACKET, Front |
| 5 |
809588 |
METAL |
| 6 |
25-809550 |
O-RING |
| 7 |
12-809548 |
WASHER KIT |
| 8 |
809547 |
ARMATURE |
| 9 |
809549 |
STATOR |
| 10 |
24-809553 |
SPRING |
| 11 |
809552 |
HOLDER ASSEMBLY, Brush |
| 12 |
809551 |
BRUSH SET |
| 13 |
12-8095481 |
WASHER |
| 14 |
809554 |
BRACKET, Rear |
| 15 |
10-809558 |
BOLT |
| 16 |
10-40011153 |
SCREW, (M8 x 45) Stainless Steel |
| 17 |
10-8240717 |
SCREW, (M8 x 30) |
| 18 |
10-81893420 |
SCREW, (M8 x 20) |
| 19 |
13-26992 |
LOCKWASHER, (.250) Stainless Steel |
| 20 |
11-64015 |
NUT, (.250-20) |
| 21 |
54-814634 |
CLAMP |
| 22 |
84-93388A6 |
CABLE ASSEMBLY, (5.500 Inches) |
▶STARTER MOTOR(S/N-0G472133 AND UP) (15 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
50-898265001 |
STARTER MOTOR ASSEMBLY |
| 2 |
10-965661 |
THRU BOLT |
| 3 |
906431 |
DRIVE KIT |
| 4 |
685751 |
DRIVE ASSEMBLY |
| 5 |
8236392 |
DRIVE CAP |
| 6 |
8236382 |
ARMATURE |
| 7 |
8119011 |
CAP, Commutator |
| 8 |
898265016 |
BRUSH/SPRING KIT |
| 9 |
898265014 |
HOLDER |
| 10 |
F15158 |
SCREW |
| 11 |
10-81893450 |
SCREW, (M8 x 50) |
| 12 |
13-26992 |
LOCKWASHER, (.250) Stainless Steel |
| 13 |
11-64015 |
NUT, (.250-20) |
| 14 |
54-814634 |
CLAMP (USE WHERE APPLICABLE) |
| 15 |
84-93388A14 |
CABLE ASSEMBLY |
▶STEERING ARM (29 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
11-896963 |
NUT, (M12) |
| 2 |
893773002 |
STRAP |
| 3 |
8M0224385 |
MOUNT |
| 4 |
8M0156878 |
BUMPER |
| 5 |
53-89531 |
RING, Retaining |
| 6 |
8M0118183 |
ARM, Steering Comment: (GRAY) |
| 7 |
8M0184092 |
BRACKET Comment: NON HANDLE |
| 8 |
14-8M0009820 |
TAB WASHER Comment: NON HANDLE |
| 9 |
10-4000377 |
SCREW, (M10 x 30) Comment: NON HANDLE |
| 10 |
10-898835001 |
BOLT, (M12 x 154) |
| 11 |
12-4002321 |
WASHER, (12.80 mm x 24.0 mm x 2.4 mm) Stainless Steel Comment: (BIGFOOT) |
| 12 |
23-8279971 |
SPACER |
| 13 |
8M0219909 |
SWIVEL TUBE Comment: (BIGFOOT) |
| 14 |
84-88238T01 |
CABLE ASSEMBLY |
| 15 |
8M0207768 |
CABLE ASSEMBLY, Ground |
| 16 |
10-823567105 |
SCREW, (M10 x 105) Hex Flange - Stainless Steel |
| 17 |
12-45176 |
WASHER, (.453 x .812 x .105) Stainless Steel Comment: (BIGFOOT) |
| 18 |
893703 |
BRACKET |
| 19 |
10-878607 |
SCREW, (#10-16 x .380) |
| 20 |
11-40140 |
NUT, (M10) |
| 21 |
11-8M0204726 |
NUT, (.375-24) Comment: HANDLE |
| 22 |
823792 |
LEVER Comment: HANDLE |
| 23 |
12-29330 |
WASHER Comment: HANDLE |
| 24 |
821961 |
ROD (THREADED) Comment: HANDLE |
| 25 |
821957 |
BRAKE PLATE Comment: HANDLE |
| 26 |
8165621 |
DISC Comment: HANDLE |
| 27 |
8M0007471 |
PLATE Comment: HANDLE |
| 28 |
8165621 |
DISC Comment: HANDLE |
| 29 |
10-768042 |
SHOULDER SCREW, Hex Comment: HANDLE |
▶SWIVEL BRACKET (28 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
19608A14 |
LINK ROD Comment: NON HANDLE |
| 2 |
10-823919 |
SCREW, (.375-24 x 1.500) Comment: NON HANDLE |
| 3 |
12-8M0109680 |
WASHER, (.390 x .546 x .12) Comment: NON HANDLE |
| 4 |
12-37828 |
WASHER, (.390 x .625 x .062) Stainless Steel Comment: NON HANDLE |
| 5 |
11-8M0204726 |
NUT, (.375-24) Comment: NON HANDLE |
| 6 |
822397 |
PUCK |
| 7 |
23-8217711 |
BUSHING |
| 8 |
1401-850066T01 |
SWIVEL BRACKET ASSEMBLY Comment: (GRAY) BIGFOOT |
| 9 |
23-19606 |
BEARING Comment: BIGFOOT |
| 10 |
22-8M0169589 |
FITTING, Grease Comment: BIGFOOT |
| 11 |
3410-827402T6 |
SWIVEL BRACKET Comment: (GRAY-NON-BIGFOOT) SN# 0G437999 & Below |
| 12 |
23-821777T1 |
BUSHING (LOWER) Comment: (NON-BIGFOOT) SN# 0G437999 & Below |
| 13 |
22-8M0169589 |
FITTING, Grease |
| 14 |
19624A1 |
SEAL KIT Comment: NON HANDLE |
| 15 |
25-29619 |
O-RING, (.583 x .103) Comment: NON HANDLE |
| 16 |
23-78861 |
SPACER Comment: NON HANDLE |
| 17 |
26-8M0205512 |
SEAL |
| 18 |
12-19619 |
WASHER |
| 19 |
11-858869 |
NUT, (7/8-14) |
| 20 |
10-40011149 |
SCREW, (M8 x 25) Stainless Steel Comment: NON HANDLE |
| 21 |
8282451 |
SEAL Comment: NON HANDLE |
| 22 |
12-19619 |
WASHER |
| 23 |
8M0041938 |
TILT TUBE |
| 24 |
11-858869 |
NUT, (7/8-14) |
| 25 |
17-821539 |
PIN, Trilobe |
| 26 |
23-823507 |
BUSHING Comment: NON-BIGFOOT |
| 27 |
17-822480 |
PIN, Pivot (UPPER) Comment: NON-BIGFOOT |
| 28 |
17-822869001 |
PIN Comment: (BIGFOOT) |
▶TILLER HANDLE (45 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
822148T06 |
COVER KIT |
| 2 |
822150 |
PULLEY |
| 3 |
NSS |
NOT SOLD SEPARATE, Case |
| 4 |
10-878608 |
SCREW, (#10-16 x .500) |
| 5 |
4324210 |
CABLE ASSEMBLY, Throttle (30.50 Inches) |
| 6 |
4324211 |
CABLE ASSEMBLY, Throttle (41.50 Inches) |
| 7 |
85-960099 |
SLEEVE, (12.00 Inches) |
| 8 |
10-82526225 |
SCREW, (M8 x 25 MM) |
| 9 |
822407F2 |
COVER Comment: (GRAY) |
| 10 |
23-821477 |
BUSHING |
| 11 |
828813T2 |
ARM, Steering Handle Comment: (GRAY) |
| 12 |
822441 |
RETAINER |
| 13 |
10-40011107 |
SCREW, (M5 x 16) Stainless Steel |
| 14 |
10-8M0204707 |
SCREW, (M6 x 25) |
| 15 |
892995 |
LOCK, Throttle |
| 16 |
24-96203 |
SPRING |
| 17 |
821972T |
KNOB, Throttle |
| 18 |
824918 |
CLIP |
| 19 |
87-823609A12 |
SWITCH ASSEMBLY Comment: (START) |
| 20 |
889734 |
HOUSING, Switch |
| 21 |
NSS |
NOT SOLD SEPARATE, Decal-Start |
| 22 |
8M0138696 |
TILLER TUBE |
| 23 |
37-8242004 |
DECAL |
| 24 |
821465 |
HANDLE, Throttle |
| 25 |
8M0221732 |
GRIP |
| 26 |
87-8M0104614 |
SWITCH ASSEMBLY Comment: (STOP) |
| 27 |
10-82239312 |
SCREW, (M5 x 12) |
| 28 |
12-8M0214930 |
WASHER |
| 29 |
84-8M0088388 |
ALARM ASSEMBLY |
| 30 |
823687 |
CLIP |
| 31 |
14-8M0009820 |
TAB WASHER |
| 32 |
10-82484890 |
SCREW, (M10 x 90) |
| 33 |
87-11083A31 |
SWITCH Comment: (STOP) |
| 34 |
15920Q54 |
LANYARD ASSEMBLY |
| 35 |
8M0032846 |
RETAINER, Brass |
| 36 |
10-40011151 |
SCREW, (M8 x 35) Stainless Steel |
| 37 |
13-12134 |
WASHER, Wave |
| 38 |
830180A01 |
HANDLE |
| 39 |
23-830181 |
BUSHING |
| 40 |
8301821 |
SHIFT ROD |
| 41 |
821455A5 |
BRACKET, Tiller Comment: (GRAY) |
| 42 |
13-826792 |
WAVE WASHER |
| 43 |
23-821477 |
BUSHING |
| 44 |
12-827314 |
WASHER |
| 45 |
32-828547633 |
CONDUIT, (.620 Inside Diameter x 3.00 Feet Bulk) |
▶TOOLS, SPECIAL (1 parts)
| Ref |
OEM Part # |
Part Name |
| - |
91-63209 |
HEAT LAMP Comment: TRIM/TILT SYSTEM |
▶TOP COWL (15 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
4019-825239T4 |
TOP COWL ASSEMBLY Comment: (SILVER) |
| 2 |
826291F1 |
LATCH Comment: (SILVER) |
| 3 |
10-8231871 |
SCREW, (M4 x 14.5) |
| 4 |
8,13-26995 |
LOCKWASHER, Stainless Steel |
| 5 |
11-8237515 |
NUT, (M4) |
| 6 |
8M0153618 |
SEAL |
| 7 |
825243A03 |
SOUND BLANKET KIT |
| 8 |
NSS |
NOT SOLD SEPARATE, Sound Blanket |
| 9 |
893763 |
BRACKET ASSEMBLY, Latch Roller |
| 10 |
10-8248324 |
SCREW, (M6 x 16) |
| 11 |
8M0038412 |
BRACKET |
| 12 |
10-8231871 |
SCREW, (M4 x 14.5) |
| 13 |
8,13-26995 |
LOCKWASHER, Stainless Steel |
| 14 |
11-8237515 |
NUT, (M4) |
| 15 |
47341A11 |
ROPE AND HANDLE KIT, Manual/Emergency Start |
▶TRANSOM BRACKET(BIGFOOT) (26 parts)
| Ref |
OEM Part # |
Part Name |
| 1 |
3418-822866A2 |
BRACKET ASSEMBLY, Transom Comment: (GRAY) PORT |
| 2 |
22-8M0169589 |
FITTING, Grease Comment: PORT |
| 3 |
17-99604 |
PIN, Groove Comment: PORT |
| 4 |
3418-822865F3 |
BRACKET, Transom Comment: (GRAY) STARBOARD |
| 5 |
19618A3 |
LEVER ASSEMBLY, Tilt Lock Comment: (GRAY) |
| 6 |
24-99622 |
SPRING |
| 7 |
23-65830 |
NYLINER |
| 8 |
24-812708 |
SPRING |
| 9 |
812709T6 |
KNOB Comment: (GRAY) |
| 10 |
17-99615 |
PIN, Groove |
| 11 |
12-19619 |
WASHER |
| 12 |
18486F6 |
BRACKET, Anchor Comment: (GRAY) |
| 13 |
97-818298Q1 |
ANODE KIT |
| 14 |
10-8M0204707 |
SCREW, (M6 x 25) |
| 15 |
12-8M0204649 |
WASHER, (.281 x .500 x .060) Stainless Steel |
| 16 |
10-4000355 |
SCREW, (M8 x 35) |
| 17 |
13-400257 |
LOCKWASHER, (M8) |
| 18 |
11-401388 |
NUT, (M8) |
| 20 |
8M0041938 |
TILT TUBE |
| 21 |
11-858869 |
NUT, (7/8-14) |
| 22 |
19624A1 |
SEAL KIT |
| 23 |
25-29619 |
O-RING, (.583 x .103) |
| 24 |
23-78861 |
SPACER |
| 25 |
10-814259 |
SCREW, (.500-20 x 4.00) |
| 26 |
12-8M0204648 |
WASHER, (1.5 x 3.05 x 0.13) Stainless Steel |
| 27 |
11-91962 |
NUT, (.500-20) |
▶Trim Switch Kit (8 parts)
| Ref |
OEM Part # |
Part Name |
| - |
87-18286A18 |
SWITCH KIT, Trim (10.00 Feet) |
| 1 |
18861 |
RETAINER |
| 2 |
814820 |
ADAPTOR |
| 3 |
NSS |
NOT SOLD SEPARATE, Switch |
| 4 |
88-8M0207796 |
FUSE, 20 Ampere |
| 5 |
84-95084A2 |
CABLE ASSEMBLY |
| 6 |
84-11149A2 |
CABLE ASSEMBLY, (6.00 Inches) |
| 7 |
10-813523 |
SCREW, (#10-16 x 2.25) |
100-Hour / Annual Service Checklist
Regular maintenance keeps your Mercury 50 BIGFOOT (4-STROKE) running reliably season after season. Most of these tasks can be performed with basic tools and the factory service manual.
- Replace water pump impeller and inspect wear plate
- Change engine oil and oil filter (check drain plug washer)
- Replace spark plugs and check ignition timing
- Drain and refill lower unit gear oil; inspect for water contamination
- Inspect fuel lines, primer bulb, and fuel filter for deterioration
- Check and replace sacrificial anodes (zinc or aluminum)
- Inspect propeller for damage; check shaft seal and cotter pin
- Check valve clearance (refer to service manual for specifications)
- Lubricate all grease points (steering, tilt tube, shift linkage)
- Inspect control cables and throttle/shift linkage for smooth operation
-
Pro Tip: Always flush the engine with fresh water after saltwater use — even a quick 10-minute flush significantly extends component life.
-
Pro Tip: Use fuel stabilizer in the tank before winter storage, and fog the cylinders to prevent internal corrosion during extended periods of non-use.
