Mercury 2.2M (8075603 & Up) Parts & Diagrams

OEM and aftermarket replacement parts for Mercury 2.2M. Scroll down for exploded parts diagrams (7), specifications, and maintenance reference.

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17-95372 18-95295 12-8035161 26-95348 25-16131 27-95220 Prop Shaft Seal Kit with Shear Pin for Mercury Mariner 2.5HP 3.3HP | JLM Marine
17-95372 18-95295 12-8035161 26-95348 25-16131 27-95220 Prop Shaft Seal Kit with Shear Pin for Mercury Mariner 2.5HP 3.3HP | JLM Marine
$20.50
$20.50
files/12_f0dab45b-421b-4acb-8162-3f3be09b8964.jpgDefault Title
$20.50
309-65021-2 47-95289-2 47-114812 Water Pump Impeller for Tohatsu Nissan Mercury Mariner 2.5A 3.5A 3.5B | JLM Marine
309-65021-2 47-95289-2 47-114812 Water Pump Impeller for Tohatsu Nissan Mercury Mariner 2.5A 3.5A 3.5B | JLM Marine
$9.99
$9.99
files/12_464a2c48-d6fc-406f-94cb-e43ed89bfa85.jpgDefault Title
$9.99

Mercury 2.2M (8075603 & Up) Parts & Diagrams

🔎 Mercury 2.2M Reference Library — Exploded parts diagrams (7 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 2.2M is a 2-Stroke, 1-Cylinder outboard motor. Designed for dinghies, inflatable boats, and small tenders where lightweight portability is essential.

Quick Reference Specifications

Specification Value
Engine Type 2-Stroke, 1-Cylinder
Horsepower 2 HP
Displacement 74.6 cc
Bore x Stroke 47 mm x 43 mm
Spark Plug (Type & Gap) NGK BM6A
Engine Oil Capacity Pre-mix (50:1)
Recommended Engine Oil Quicksilver Premium Plus 2-Cycle TC-W3
Gear Case Oil Capacity —
Idle Speed (in gear) —
Full Throttle RPM Range 4500-5500
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 2.2M:

  • 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 2.2M.

▶CARBURETOR (42 parts) CARBURETOR
Ref OEM Part # Part Name
1 3303-9156 CARBURETOR ASSEMBLY
2 95252 WIRE, Throttle
3 10-95321 BOLT, THROTTLE LEVER
4 95253 BRACKET, THROTTLE LEVER
5 95254 CAP, CARBURETOR
6 24-95322 SPRING, THROTTLE VALVE
7 95255 PLATE
8 53-95323 E RING, JET NEEDLE
9 815126A1 JET NEEDLE
10 95257 VALVE, Throttle
11 95258 NEEDLE JET
12 27-95324 GASKET, FLOAT BOWL
13 95259 FLOAT
14 95260 FLOAT BOWL
15 17-95327 PIN, Hinge, FLOAT
16 95263A1 HINGE, FLOAT
17 96,92510M MAIN JET
18 10-953251 SCREW, DRAIN
19 27-95326 GASKET, DRAIN SCREW
20 95263A1 VALVE, Needle
21 95263A1 SEAT, NEEDLE VALVE
22 10-95328 SCREW, STOP
23 24-95329 SPRING, STOP SCREW
24 95266 LEVER, Shutter
25 10-95331 SCREW, SHUTTER LEVER
26 95265 PLATE, Choke
27 13-400256 WASHER, CHOKE PLATE
28 11-95330 NUT, CHOKE PLATE
29 54-95332 CLAMP, CLAMP, CARBURETOR
30 10-95333 SCREW, CLAMP
31 25-811601 GASKET, CARBURETOR
32 10-95334 SCREW, FLOAT BOWL
33 95268 LEVER, Throttle
34 10-95335 SCREW, THROTTLE LEVER
35 13-95238 LOCKWASHER, LEVER SCREW
36 27-95336 GASKET, LEVER SCREW
37 95267 BRACKET
38 952672 COLLAR, LEVER
39 95269 KNOB, THROTTLE AND CHOKE LEVER
40 10-95338 SCREW, KNOB
41 95270 COVER, CARBURETOR
42 10-95339 SCREW, CARBURETOR COVER
▶CYLINDER BLOCK, CRANKSHAFT AND PISTON (38 parts) CYLINDER BLOCK, CRANKSHAFT AND PISTON
Ref OEM Part # Part Name
- 19251 POWERHEAD ASSEMBLY
1 878-91512 CYLINDER BLOCK ASSEMBLY
2 17-95218 PIN, Dowel
5 10-898103167 BOLT, CRANKCASE TO BLOCK
6 10-95298 BOLT, CRANKCASE TO BLOCK
7 27-95299001 GASKET, CYLINDER HEAD
8 979-9152T2 CYLINDER HEAD
9 10-815063 SCREW, CYLINDER HEAD
10 12-809931044 WASHER, CYLINDER HEAD SCREW
11 22-8M0064617 CONNECTOR, DRAIN HOSE
12 32-8M0057112 HOSE, (150 mm)
13 54-95224 CLIP, DRAIN HOSE
14 952251 HOUSING, CRANKCASE
15 95302 SCREW, HOUSING
16 13-400256 WASHER, HOUSING SCREW
17 54-8M0130961 CLAMP, LEAD WIRE
18 34-95226 REED VALVE
19 34-95304 STOP, REED VALVE
20 95305 SCREW, REED VALVE
21 53-952366 CLIP, PISTON PIN
22 28-95229 KEY, CRANKSHAFT
23 30-898101936 BEARING, Ball, CRANKSHAFT (UPPER)
24 95230 PLATE, CRANKSHAFT (UPPER)
25 26-95232 SEAL, Oil, CRANKSHAFT (UPPER)
26 11-95233 NUT, CRANKSHAFT
27 30-95307 BEARING, Ball, CRANKSHAFT (LOWER)
28 95231 PLATE, CRANKSHAFT (LOWER)
29 26-95308 SEAL, Oil, CRANKSHAFT (LOWER)
30 31-95227 BEARING, Roller, CONNECTING ROD
31 779-9183 PISTON Comment: (.5MM O.S.)
32 39-95309 RING, Piston Comment: (.5MM O.S.)
33 898101917 PIN, Piston
34 463-879147T16 CRANKSHAFT ASSEMBLY
35 463-813049 CRANKSHAFT
36 463-813268 CRANKSHAFT
37 629-813269 CONNECTING ROD
38 31-813270 BEARING
39 813271001 PIN, Crank
▶DRIVESHAFT HOUSING AND CLAMP BRACKETS (32 parts) DRIVESHAFT HOUSING AND CLAMP BRACKETS
Ref OEM Part # Part Name
1 1599-825130T HOUSING, Driveshaft
2 10-16830 SCREW, DRIVESHAFT HOUSING
3 13-400256 WASHER, HOUSING SCREW
4 12-16826 WASHER, HOUSING SCREW
5 95276 CARRYING HANDLE
6 10-8M0204707 BOLT, CARRYING HANDLE
7 11-400212 NUT, CARRYING HANDLE BOLT
8 10-8M0204707 SCREW, DRIVESHAFT HOUSING
9 27-815076002 GASKET, DRIVESHAFT HOUSING
10 823162A3 HANDLE, Steering
11 10-4000354 SCREW, STEERING HANDLE
12 95275 PLATE, STEERING HANDLE
13 22-95364 DAMPER, RUBBER
14 95274 GRIP, STEERING HANDLE
15 3406-8150852 CLAMP BRACKET
16 10-898101337 BOLT, CLAMP BRACKET
17 12-95375 WASHER, CLAMP BRACKET SCREW
18 11-95374 NUT, Nylon, CLAMP BRACKET SCREW
19 95278 BRACKET, THRUST
20 8M0055576 SCREW, THRUST BRACKET
21 12-16826 WASHER, BRACKET SCREW
22 11-400212 NUT, BRACKET SCREW
23 10-95378 THUMB SCREW ASSEMBLY
24 12-95379 PAD, THUMB SCREW
25 3407-9160T1 SWIVEL BRACKET (3407-811204 C-CLAMP HALF)
26 10-16830 SCREW, SWIVEL BRACKET
27 23-95381 BUSHING, SWIVEL BRACKET
28 10-162061 SCREW, ADJUSTING
29 24-953838 SPRING, ADJUSTING SCREW
30 952791 PAD, FRICTION
31 11-400213 NUT, STEERING HANDLE
32 12-16826 WASHER, ADJUSTING SCREW
▶GEAR HOUSING ASSEMBLY COMPLETE (33 parts) GEAR HOUSING ASSEMBLY COMPLETE
Ref OEM Part # Part Name
1 1668-825122T1 GEAR HOUSING ASSEMBLY
2 30-95342 BEARING, Ball, DRIVESHAFT (LOWER)
3 23-95343 SPACER
4 30-95344 BEARING, Ball, DRIVESHAFT (UPPER)
5 53-95345 RING, Snap, BALL BEARING
6 97-823913Q ANODE
7 10-16832 SCREW, ANODE
8 22-8M0229353 PLUG, OIL
9 27-95220 GASKET, OIL PLUG
10 30-95347 BEARING, PROPELLER SHAFT
11 30-95344 BEARING, Ball, PROPELLER SHAFT
12 26-95348 SEAL, Oil, PROPELLER SHAFT
13 46-952871 PUMP, Water
14 25-95288 O-RING, WATER PUMP
15 47-952892 IMPELLER
16 825114 COVER, GEAR HOUSING
17 95302 SCREW, COVER
18 12-16826 WASHER, COVER SCREW
19 26-95350 SEAL, Oil, DRIVESHAFT
20 32-95359 TUBE ASSEMBLY, Water
21 25-953601 GROMMET, WATER TUBE (UPPER)
22 23-95361 BUSHING, WATERTUBE (LOWER)
23 45-95290 DRIVESHAFT (UPPER)
24 45-95369 DRIVESHAFT (LOWER)
25 95277 PIPE, DRIVESHAFT
26 44-95291A1 PROPELLER SHAFT (WITH BEVEL GEAR)
27 15-811647A1 SHIM, BEVEL GEAR
28 43-95293 GEAR, Pinion
29 53-815066 RING, Snap, PINION GEAR
30 28-95371 KEY, IMPELLER
31 17-815111Q02 SHEAR PIN, PROPELLER
32 48-815083A01 PROPELLER
33 18-95295 COTTER PIN, PROPELLER
▶MISCELLANEOUS PARTS/ACCESSORIES (1 parts) MISCELLANEOUS PARTS/ACCESSORIES
Ref OEM Part # Part Name
- 91-95399 TOOL KIT
▶RECOIL STARTER AND IGNITION COMPONENTS (33 parts) RECOIL STARTER AND IGNITION COMPONENTS
Ref OEM Part # Part Name
1 95244 HOUSING, Starter
2 10-95396 BOLT, STARTER HOUSING
3 95251 PLUG, STARTER HOUSING
4 50-12066Q10 ROPE
5 95249 HANDLE, Starter, STARTER ROPE
6 24-95284 SPRING, RECOIL
7 95245 SHEAVE, Starter
8 95246 RATCHET
9 24-95315 SPRING, FRICTION
10 95247 COVER
11 24-95316 SPRING, RETURN
12 95248 FRICTION PLATE
13 12-95317 THRUST WASHER
14 53-95318 E RING
15 95250 PULLEY, STARTER
16 10-16828 SCREW, STARTER PULLEY
17 12-95320 WASHER, PULLEY SCREW
18 262-811595 FLYWHEEL MAGNETO ASSEMBLY
19 262-9184 FLYWHEEL
20 95237 BREAKER
21 10-95311 SCREW, BREAKER
22 95241T COIL, Exciter
23 10-95313 SCREW, EXCITER COIL
24 811598 CONDENSER
25 10-16821 SCREW, CONDENSER
26 95239 BASE, MAGNETO
27 10-95310 SCREW, MAGNETO BASE
28 95242T COIL, Ignition
29 10-95314 SCREW, IGNITION COIL
30 12-95320 WASHER, IGNITION COIL SCREW
31 33-19796 SPARK PLUG (CHAMPION RL-87YC)
32 85-95282A1 CAP, SPARK PLUG
33 87-823037A04 SWITCH ASSEMBLY, Stop
▶TOP COWL AND FUEL TANK (20 parts) TOP COWL AND FUEL TANK
Ref OEM Part # Part Name
1 2189-9161 TOP COWL ASSEMBLY, PORT
2 2189-9185 TOP COWL ASSEMBLY, STARBOARD
3 10-16827 SCREW, TOP COWL
4 95281 COVER, TOP COWL
5 25-95387 GROMMET
6 95280 PLATE, TOP COWL
7 10-95386 BOLT, PLATE TO TOP COWL
8 11-95385 NUT, PLATE SCREW
9 1200-8M0073609 TANK, Fuel
10 36-8M0080157 CAP ASSEMBLY, FUEL TANK
11 27-8M0065762 GASKET, CAP
12 25-815109 SEAL, RUBBER, FUEL TANK
13 10-803858 SCREW, FUEL TANK
14 12-95320 WASHER, FUEL TANK SCREW
15 12-95392 WASHER, FUEL TANK SCREW
16 23-95390 SPACER, FUEL TANK SCREW
17 22-95393 VALVE, FUEL
18 32-8M0057113 LINE, Fuel (250 mm)
19 54-95395 CLIP, Stainless Steel, FUEL LINE
20 25-95398 GROMMET, COVER

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 2.2M running reliably season after season. Most of these tasks can be performed with basic tools and the factory service manual.

  1. Replace water pump impeller and inspect wear plate
  2. Change engine oil and oil filter (check drain plug washer)
  3. Replace spark plugs and check ignition timing
  4. Drain and refill lower unit gear oil; inspect for water contamination
  5. Inspect fuel lines, primer bulb, and fuel filter for deterioration
  6. Check and replace sacrificial anodes (zinc or aluminum)
  7. Inspect propeller for damage; check shaft seal and cotter pin
  8. Check valve clearance (refer to service manual for specifications)
  9. Lubricate all grease points (steering, tilt tube, shift linkage)
  10. 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.

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