Tohatsu M40/50D2 (2026) Parts & Diagrams

OEM and aftermarket replacement parts for Tohatsu M40/50D2. Scroll down for exploded parts diagrams (30), specifications, and maintenance reference.

Tohatsu M40/50D2 (2026) Parts & Diagrams

🔎 Tohatsu M40/50D2 Reference Library — Exploded parts diagrams (30 diagrams), specifications, common issues, and maintenance checklist.

The Tohatsu M40/50D2 is a 2-Stroke outboard motor. Commonly used on jon boats, pontoons, and mid-size utility craft.

Quick Reference Specifications

Specification Value
Engine Type 2-Stroke
Horsepower 40 HP
Displacement 697
Bore x Stroke 68 x 64
Spark Plug (Type & Gap) NGK B8HS-10
Engine Oil Capacity
Recommended Engine Oil TC-W3 Certified 2-Stroke Oil
Gear Case Oil Capacity
Idle Speed (in gear) 750 RPM (in gear)
Full Throttle RPM Range 5150-5850
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 Tohatsu M40/50D2:

  • 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
  • Fuel System Issues / Hard Starting: Stale fuel and ethanol-related deposits are common in 2-stroke carbureted engines. Clean or rebuild carburetors and replace fuel lines if deteriorated. → Recommended: Carburetor Repair Kit, Fuel Line Assembly
  • Spark Plug Fouling: 2-stroke engines are prone to spark plug fouling from oil residue, especially at low RPM. Replace plugs at each annual service. → Recommended: OEM Spark Plugs
  • 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
  • Thermostat Failure: A stuck thermostat can cause overheating or poor warm-up. Replace if operating temperature is inconsistent. → Recommended: Thermostat Assembly

Parts Diagrams & OEM Part Numbers

Expand the sections below to view detailed exploded parts diagrams and find the exact OEM replacement components for your Tohatsu M40/50D2.

Fig.01 CYLINDER・CRANK CASE (53 parts) Fig.01 CYLINDER・CRANK CASE
Ref OEM Part # Part Name
1 3E3B01105-2 CYL BLOCK & CRANKCASE ASSY
4 345-00117-0 * DOWEL PIN
5 393-01137-0 * NIPPLE 5-4-5
6 393-01131-0 * NIPPLE 5.5-5
7 916124-0845 * BOLT
9 3B7-76093-0 GROMMET 25-5
10 3C8B01001-2 CYLINDER HEAD
11 3C8-01005-5 CYLINDER HEAD GASKET
12 3C8B01021-1 CYLINDER HEAD COVER
13 3C8-01024-2 CYLINDER HEAD COVER GASKET
15 353-01030-0 THERMOSTAT
16 353B01031-0 THERMOSTAT CAP
17 353-01032-0 THERMOSTAT CAP GASKET
18 9101E3-5625 BOLT
19 3B7-01046-0 PLUG
20 345-01111-0 DOWEL PIN 6-12
21 3C8-01012-0 CYLINDER HEAD BOLT
22 3C8-01015-0 WASHER 8.5-19.5-3.2
23 3C8-01513-1 HANGER
24 910114-0835 BOLT
25 940121-0800 WASHER
26 3C8B02301-1 EXHAUST COVER (OUTER)
27 3C8-02302-0 EXHAUST COVER (INNER)
28 3C8-02305-2 EXHAUST COVER GASKET
29 9161G9-0630 BOLT
30 940103-0600 WASHER
31 9106E3-0808 BOLT
32 332-60006-1 GASKET 8.1-15-1
35 3C8-09081-1 COVER
36 3C8-09082-2 GASKET
37 910103-5616 BOLT
38 98AL-40-160 HOSE
39 98AL-40-220 HOSE
40 98AL-40-330 HOSE
41 393-01160-0 CHECK VALVE
48 3T5-01133-0 CLIP φ8
49 338-01133-0 CLIP φ7
51 9701-1-1016 SPARK PLUG (BR8HS10)
52 3PR-06972-0 CLAMP 6.5-47.5P
53 910103-5612 BOLT
54 910103-0630 BOLT
55 930103-0600 NUT
56 3C8-01303-4 ENGINE BASEMENT GASKET
57 3C8-01291-0 CRANKCASE HEAD
58 346-01216-0 O-RING 1.7-59
59 334-00122-0 OIL SEAL 25-40-8
60 3C8-01215-0 OIL SEAL 15.8-28-7
61 910103-5620 BOLT
63 3KM-01142-0 ANODE PLUG ASSY
64 3P0-01143-0 * ANODE PLUG
65 3T5-10046-0 * O-RING 1.9-13
66 3P0-60218-0 * ANODE
67 921503-0530 * SCREW
Fig.02 PISTON・CRANK SHAFT (27 parts) Fig.02 PISTON・CRANK SHAFT
Ref OEM Part # Part Name
1 3E5-00050-1 CRANKSHAFT ASSY W/GEAR
2 345-00040-1 * CONNECTING ROD
3 345-00043-0 * ROLLER BEARING 25-32-20
4 345-00045-0 * BIG END BEARING WASHER
5 3C8-00031-1 * CRANKSHAFT A
6 3C8-00032-0 * CRANKSHAFT B
7 3C8-00033-0 * CRANKSHAFT C
8 3C8-00034-0 * CRANKSHAFT D
9 348-00061-1 * CRANK PIN
10 3C8-00114-0 * MAIN BEARING 6305R
11 3J2-00114-0 * MAIN BEARING
12 945107-2500 * C-RING d=25
13 3C8-00051-2 * LABYRINTH PACKING
14 951407-0308 * SPRING PIN 3-8
15 3C8-09060-0 * OIL PUMP DRIVE GEAR
17 345-00042-0 ROLLER BEARING 17-21-27
19 3C8-00113-0 MAIN BEARING
20 3C8-00121-0 * OIL SEAL 32-42-6
21 3C8-00108-0 O-RING 2.4-39.7
22 346-00115-0 THRUST PLATE
23 3E3-87124-2 PISTON RING SET (0.5 O/S)
25 356-00014-0 * PISTON RING (0.5 O/S)
27 346-00014-0 * PISTON RING (0.5 O/S)
28 3E3-87131-0 PISTON REPAIR KIT (0.5 O/S)
29 3C8-00004-4 * PISTON (0.5 O/S)
30 3C8-00021-1 * PISTON PIN
31 334-00024-1 * PISTON PIN CLIP
Fig.03 INTAKE MANIFOLD・REED VALVE (10 parts) Fig.03 INTAKE MANIFOLD・REED VALVE
Ref OEM Part # Part Name
1 3E3B02020-0 INTAKE MANIFOLD ASSY
2 3C8-02104-2 INTAKE MANIFOLD GASKET
3 910103-5625 BOLT
4 910103-0625 BOLT
5 3PR-06972-0 CLAMP 6.5-47.5P
6 98AB-50-065 HOSE
7 98AB-50-155 HOSE
8 338-02215-0 CLIP φ10
9 3T5-02100-1 REED VALVE ASSY
10 921521-6516 SCREW
Fig.04 INTAKE SILENCER・CARBURETOR (51 parts) Fig.04 INTAKE SILENCER・CARBURETOR
Ref OEM Part # Part Name
1 3C8-02420-0 BOLT 5-16
2 3C8-02418-0 GASKET
3 3C8-02415-0 INTAKE SILENCER COVER
4 3F3-02423-0 TAPPING SCREW 5-30
5 3E3-03200-4 CARBURETOR ASSY
6 3E3-03207-4 CARBURETOR ASSY (SECOND)
7 3E3-04635-0 * MAIN JET (#135)
8 3M2-04580-0 * SLOW JET (#80)
9 3C8-03169-0 * PLUG
10 3E3-03147-0 * FLOAT VALVE
11 3C8-03126-0 * FLOAT ARM PIN
12 3C8-03125-1 * FLOAT
13 921722-0410 * SCREW
14 3C8-03179-1 * STOP SCREW
15 3C8-03157-0 * SPRING
16 3C8-03156-0 * ADJUST SCREW
17 3C8-03120-0 * FLOAT CHAMBER
18 3C8-03121-0 * FLOAT CHAMBER GASKET
19 3AA-03192-0 * DRAIN SCREW
20 3C8-03193-0 * GASKET
21 3E3-03141-0 * MAIN NOZZLE
22 3C8-03181-0 * CARBURETOR COVER
23 3C8-03182-0 * CARBURETOR COVER GASKET
24 922503-6410 * SCREW
25 3E3-03210-4 CARBURETOR ASSY (THIRD)
26 3C8-04004-0 * PUMP COVER
27 3E3-64333-0 * PRE-COATED SCREW
28 3C8-04018-0 * PUMP COVER GASKET
29 350-04014-0 * CHECK VALVE
30 921703-0305 * SCREW
31 930203-0300 * NUT
32 350-04005-0 * PUMP DIAPHRAGM
33 3C8-04028-0 * PUMP BODY GASKET
34 3C8-04002-0 * PUMP BODY
35 3C8-03123-0 * LOWER FLOAT CHAMBER
36 3E3-02011-0 CARBURETOR GASKET
37 916103-0685 BOLT
38 941303-0600 SPRING WASHER
39 940103-0600 WASHER
40 98AB-50-080 HOSE
41 338-02215-0 CLIP φ10
42 348-63717-1 ROD 5-68
43 3B7-05229-0 BALL JOINT CONNECTOR
44 3C8-05243-0 BALL JOINT CONNECTOR
45 930103-0500 NUT
46 3C8-67191-2 CHOKE ROD 3-90
47 3E3-02411-0 INTAKE SILENCER
49 3C8-02417-0 INTAKE SILENCER LOCK PLATE
50 353-03271-0 STOPPER
51 3C8-67192-0 CHOKE ROD
52 346-67196-1 ROD SNAP 3-B
Fig.05 FUEL LINE (15 parts) Fig.05 FUEL LINE
Ref OEM Part # Part Name
1 3C8-71035-0 OIL FILTER BRACKET
2 910103-6614 BOLT
3 3AD-02230-0 FUEL FILTER ASSY
4 3AD-02237-0 * CUP
5 3AD-02235-0 * O-RING
6 3AD-02234-0 * FILTER
7 930103-0800 NUT
8 940103-0800 WASHER
9 98AB-50-300 HOSE
10 98AB-50-200 HOSE
11 98AB-50-350 HOSE
12 98AB-50-530 HOSE
15 3C8-09075-0 CHECK VALVE COMPLETE
16 98AB-50-215 HOSE
17 338-02215-0 CLIP φ10
Fig.06 THROTTLE (27 parts) Fig.06 THROTTLE
Ref OEM Part # Part Name
1 3C8-63711-1 ADVANCER ARM
2 910103-0635 BOLT
3 346-67115-0 WASHER 6.5-21-1
4 3C8-63732-0 COLLAR 6.2-12-17
6 3E3-63718-1 THROTTLE CAM
7 3E3-63727-0 SPRING
8 3E3-63712-0 ADVANCER LEVER
9 910103-0640 BOLT
10 3C8-66308-0 WASHER 6-16-1.5
12 3E3-63721-0 COLLAR 6.5-10.5-26.3
13 346-05228-1 BALL JOINT
14 3E5-63715-1 ROD 5-90
17 3E3-63709-1 THROTTLE ROD 5-105
18 3B7-05243-0 BALL JOINT CONNECTOR
19 930103-0500 NUT
20 3C8-63733-0 ROD SNAP 5-3
21 3B7-83715-2 CABLE JOINT
22 3AA-83719-0 WASHER 8.5-18-1.6
23 951603-0800 SNAP PIN d=8
24 3C8-05213-1 THROTTLE LIMITER ARM
30 3C8-05221-0 THROTTLE LIMITER ROD 3.5-56
31 3C8-05223-0 ROD SNAP 3.5-4
31a 3N8-05223-0 ROD SNAP 3.5-4
32 3C8-05211-0 STARTER LOCK ARM
33 910103-5625 BOLT
34 940103-0600 WASHER
35 353-76079-0 COLLAR 6.2-9-9.3
Fig.07 RECOIL STARTER (28 parts) Fig.07 RECOIL STARTER
Ref OEM Part # Part Name
2 3E3-05000-0 RECOIL STARTER ASSY
4 3TW-05106-0 * REEL ASSY
5 3R3-05003-0 * RATCHET
6 3TW-05123-0 * RETURN SPRING
8 3TW-06437-0 * TAPPING SCREW 6-25
9 3TY-05913-0 * TAPPING SCREW
11 3TW-05013-0 * STARTER ROPE
12 3C8-05019-0 * STARTER HANDLE
13 3R3-05131-0 * ROPE ANCHOR
15 3C8-05252-0 * STARTER LOCK
16 3C8-05253-0 * STARTER LOCK CAM
17 3C8-05216-0 * STARTER LOCK SPRING
18 3C8-05237-0 * WASHER
19 951503-1520 * SPLIT PIN
20 3C8-05207-0 * STARTER LOCK WIRE
21 3C8-05238-0 * PIPE
22 3TW-05004-0 * STARTER SPRING
23 3TW-05007-0 * FRICTION SPRING
24 3TW-05012-0 * RETURN SPRING
25 3TW-05006-0 * FRICTION PLATE
26 3TW-67503-0 STARTER SEAL
27 3TW-05901-4 STARTER PULLEY
28 3AL-60108-0 PRE-COATED BOLT 6-20
29 3C8-66308-0 WASHER 6-16-1.5
30 3C8-05902-0 STARTER PULLEY PLATE
38 3TW-05031-0 BOLT 8-18
40 314-72185-0 CAUTION DECAL
41 3F0-72185-0 CAUTION DECAL
Fig.08 MAGNETO (28 parts) Fig.08 MAGNETO
Ref OEM Part # Part Name
1 3C8-06101-1 FLYWHEEL W/RING GEAR
2 3C8-06103-3 COIL PLATE ASSY W/ALTERNATOR
3 3C8-06130-2 * PULSAR COIL & PLATE ASSY
4 3B7-06131-0 * PULSAR HOLDER
5 3C8-06120-1 * EXCITER COIL
6 921521-6630 * SCREW
7 3C8-06123-1 * ALTERNATOR ASSY
8 3B7-06135-0 * HOLDER
9 921521-0406 * SCREW
10 3B7-06132-0 * CLAMP
11 921521-6406 * SCREW
12 3B7-06133-0 * BAND
13 921503-6510 SCREW
14 334-00131-0 KEY 19-7-5
15 353-00132-0 NUT 18-P1.5
16 353-00133-0 WASHER 19-34-3
17 3C8-63722-0 GUIDE PLATE
18 3C8-63725-0 GUIDE PLATE COVER
19 3C8-63723-0 SETTING RING
20 346-05228-1 BALL JOINT
21 941303-0600 SPRING WASHER
22 910121-6616 BOLT
23 3C8-06301-0 RING GEAR COVER
25 910103-0625 BOLT
26 3GF-06304-0 COLLAR 9.1-16-10.8
27 3B7-06305-0 RUBBER MOUNT 9-16-4.3
28 3F0-72185-0 CAUTION DECAL
29 314-72185-0 CAUTION DECAL
Fig.09 ELECTRIC PARTS (STARTER MOTOR) (31 parts) Fig.09 ELECTRIC PARTS (STARTER MOTOR)
Ref OEM Part # Part Name
1 3GF-76010-1 STARTER MOTOR ASSY
2 3GF-76015-1 * PINION ASSY
3 3GF-75015-0 * WASHER
4 3GF-75014-0 * BRUSH HOLDER ASSY
5 921521-6408 * SCREW
6 3GF-75016-0 * BUSHING 1
7 3GF-75017-0 * BUSHING 2
8 3GF-75018-0 * O-RING
9 940103-0600 * WASHER
10 941303-0600 * SPRING WASHER
11 930203-0600 * NUT
12 3GF-75019-0 * BOLT
13 941321-0500 * SPRING WASHER
14 940221-0500 * WASHER
15 3C8-06105-0 COIL PLATE STOPPER
16 910103-5825 BOLT
17 940103-0800 WASHER
18 930103-0800 NUT
19 3C8B05101-0 BRACKET
20 3C8-76007-0 DAMPER
21 3C8-76009-0 STARTER MOTOR BAND
22 910103-6825 BOLT
23 910103-6820 BOLT
24 3KM-76040-0 STARTER SOLENOID
25 910103-5616 BOLT
26 3C8-76141-1 STARTER CABLE L=160
27 3B7-76120-2 BATTERY CABLE L=3000
28 910103-6612 BOLT
29 3A3-76145-0 TERMINAL CAP 8-13-28
30 3AA-76145-0 TERMINAL CAP 13-13-28
31 3C8-76049-0 LEAD WIRE
Fig.10 ELECTRIC PARTS (C.D. UNIT) (20 parts) Fig.10 ELECTRIC PARTS (C.D. UNIT)
Ref OEM Part # Part Name
8 3C7-06040-1 IGNITION COIL W/R-CAP
10 3KM-06999-0 * PLUG CAP W/RESISTANCE
14 910103-5620 BOLT
15 151-33159-0 GASKET 6.2-11-1
16 3C7-76142-1 GROUND CABLE L=170
17 3T5-84398-0 BAND 104
18 3C8-06160-1 CD UNIT
19 3TW-60103-0 O-RING 3.1-94.4
20 3TW-06901-1 BRACKET
21 353-76213-0 SPARE FUSE 20A
22 3C8-06902-0 COVER
23 3C8-72028-0 WIRING DIAGRAM DECAL
24 921503-5514 SCREW
25 346-67113-0 MOUNT 8.5-14-2.5
26 3B7-06920-0 RUBBER MOUNT 8.5-14-2.5
27 346-67114-1 SPACER 6.2-9-15.7
28 910103-0630 BOLT
29 346-67115-0 WASHER 6.5-21-1
30 3N4-76142-1 GROUND CABLE L=270
33 910103-0612 BOLT
Fig.11 ELECTRIC PARTS (DIAGRAM) (25 parts) Fig.11 ELECTRIC PARTS (DIAGRAM)
Ref OEM Part # Part Name
1 3B7-76065-5 RECTIFIER COMPLETE
2 921503-7625 SCREW
3 361-76050-0 CHOKE SOLENOID
4 361-76073-0 * PLUNGER
5 921503-6408 SCREW
6 3C8-76055-1 CHOKE SOLENOID BRACKET
7 910103-6616 BOLT
8 3C8-76057-0 CHOKE SOLENOID HOOK
9 951403-0312 SPRING PIN 3-12
10 3C8-76110-0 CORD ASSY
11 353-76062-1 FUSE WIRE ASSY L=900 20A
12 3C8-72580-0 PTT SOLENOID SWITCH (A)
13 3C8-72581-0 PTT SOLENOID SWITCH (B)
13a 930103-0600 * NUT
13b 941303-0600 * SPRING WASHER
14 3C8-72582-0 SOLENOID SWITCH CORD (A) L=80
15 3C8-72583-1 SOLENOID SWITCH CORD (B) L=150
16 3C8-72588-0 SOLENOID SWITCH CORD (C) L=900
17 3C8-72589-0 SOLENOID SWITCH CORD (C) L=1100
18 3A3-76145-0 TERMINAL CAP 8-13-28
19 910103-0612 BOLT
20 3C8-76119-0 CORD ASSY
21 3TW-76172-0 OVERHEAT SENSOR ASSY
25 3C8-76171-0 OVERHEAT BUZZER
26 3TW-76174-0 STAY
Fig.12 OIL PUMP (AUTO MIXING MODEL) (35 parts) Fig.12 OIL PUMP (AUTO MIXING MODEL)
Ref OEM Part # Part Name
1 3C8-09000-1 OIL PUMP ASSY
2 3B7-09002-0 * O-RING 1.6-19.2
3 3B7-09004-0 * AIR VENT BOLT
4 3B7-09006-0 * WASHER
5 3C8-09050-1 OIL PUMP BOLT
6 941303-0600 SPRING WASHER
7 3C8-09065-0 OIL PUMP DRIVEN GEAR
8 3C8-09069-0 BUSHING 9-20-20.8
9 3C8-09053-1 OIL PUMP ROD
10 3C8-05243-0 BALL JOINT CONNECTOR
11 930103-0500 NUT
12 99AA-6-0700 PIPE
13 99AA-6-0400 PIPE
14 3GT-35143-0 CLIP φ9.4
15 99AA-4-0230 PIPE
16 3C7-09056-1 CLIP φ8.5
17 3C8-71010-1 OIL TANK
18 3C8-71020-1 OIL LEVEL SENSOR
19 910103-0630 BOLT
20 346-67115-0 WASHER 6.5-21-1
21 346-67113-0 MOUNT 8.5-14-2.5
22 3B7-06920-0 RUBBER MOUNT 8.5-14-2.5
23 346-67114-1 SPACER 6.2-9-15.7
24 3C8-71015-0 OIL FILLER CAP
25 3C8-71016-0 GASKET 36-52-2
26 3C8-71017-0 CAP HOOK
27 3C8-71018-0 OIL TANK CAP CHECK VALVE
28 3C7-71030-0 OIL FILTER ASSY
29 3B7-02237-0 * CUP
30 3B7-02235-0 * O-RING
31 3C7-71033-0 * FILTER
32 3B7-02236-0 * O-RING
33 930103-0800 NUT
34 940103-0800 WASHER
35 3E3-71035-0 OIL FILTER BRACKET
Fig.13 DRIVE SHAFT HOUSING (21 parts) Fig.13 DRIVE SHAFT HOUSING
Ref OEM Part # Part Name
1 3C8Q61192-4 DRIVE SHAFT HOUSING (L)
2 3MC-61017-0 BOLT
3 9401E3-0800 WASHER
4 346-65204-0 WATER PIPE AUXILIARY MOUNT
15 3C8-61012-3 DRIVE SHAFT HOUSING GASKET
16 3C8Q01301-0 ENGINE BASEMENT
17 3C8-67116-0 ENGINE BASEMENT SEAL L=805
18 910103-5625 BOLT
19 345-01111-0 DOWEL PIN 6-12
20 3C8-02311-1 EXHAUST PIPE
21 3C8-02319-0 BOLT 8-30
22 3C8-02312-2 EXHAUST PIPE GASKET
23 3C8-61180-0 EXHAUST HOUSING
24 3C8-61184-0 BOLT 8-30
25 3C8-61181-2 EXHAUST HOUSING GASKET
26 3C8-61182-0 GROMMET
27 3C8Q61210-2 APRON
28 3C8-61212-0 GROMMET
29 3C8-61213-1 SEAL
30 921503-0535 SCREW
31 930403-0500 NYLON NUT 5-P0.8
Fig.14 GEAR CASE (DRIVE SHAFT) (47 parts) Fig.14 GEAR CASE (DRIVE SHAFT)
Ref OEM Part # Part Name
1 3C8Q60000-1 GEAR CASE ASSY
2 345-60211-0 * ROLLER BEARING 22-30-30
3 332-60005-3 PLUG 8-8
4 3B7-60015-2 PLUG M10P1.25
5 3B7-60016-1 GASKET 10.1-15-1
6 332-60006-1 GASKET 8.1-15-1
7 3C8-60217-1 TRIM TAB
8 910103-5620 BOLT
9 3C8-64020-2 BEVEL GEAR B
10 3C8-64027-0 NUT
11 345-64084-0 SHIM 41-51.5-0.5
13 3C8-64302-0 DRIVE SHAFT (L)
14 3C8-60213-0 BALL BEARING 6304
15 3C8-64327-0 DRIVE SHAFT SPRING
16 3C8-65021-2 WATER PUMP IMPELLER
17 332-65022-0 KEY 20-4.6-2
18 3T5-65016-0 PUMP CASE (UPPER)
19 3T5-65011-0 PUMP CASE LINER
20 3C8-65014-0 WATER PIPE SEAL (LOWER)
21 3C8-65017-1 PUMP CASE (LOWER)
22 3C8-64084-0 SHIM 32.9-26-0.5
23 3C8-60223-0 OIL SEAL 17-33-6
24 345-65015-0 O-RING 3.2-47
25 334-65012-0 DOWEL PIN 4-10
26 3C8-65025-0 WATER PUMP GUIDE PLATE
27 3C8-65029-3 GUIDE PLATE GASKET
28 3T5-65018-2 PUMP CASE GASKET
29 9101E3-5855 BOLT
30 3C8-60204-0 SUB-WATER INLET STRAINER
31 910103-5616 BOLT
32 3C8-66011-0 CLUTCH CAM
33 3C8-66013-0 CAM ROD (L)
34 951407-0312 SPRING PIN 3-12
35 3C8-66031-1 CAM ROD BUSHING
36 332-66021-0 O-RING 2.4-5.8
37 3C8-66032-0 O-RING 3.5-21.7
38 3C8-66241-0 SHIFT ROD JOINT
39 951403-0312 SPRING PIN 3-12
40 353-66024-0 STOPPER
41 9101E3-5612 BOLT
42 9101E3-5835 BOLT
43 3C8-65110-0 WATER PIPE (L)
44 345-65206-0 WATER PIPE SEAL (UPPER)
45 345-65205-0 COLLAR 18-20-4.5
46 3C8-60205-1 WATER STRAINER SET
47 921503-0438 * SCREW
48 930403-0400 * NYLON NUT 4-P0.7
Fig.15 GEAR CASE (PROPELLER SHAFT) (28 parts) Fig.15 GEAR CASE (PROPELLER SHAFT)
Ref OEM Part # Part Name
1 345-60215-0 TAPERED ROLLER BEARING 32007
2 3C8-60108-2 PRE-COATED BOLT 6-25
3 9401E3-0600 WASHER
4 3C8-64010-1 BEVEL GEAR ASSY (A)
5 3C8-64030-0 BEVEL GEAR C
6 345-64032-0 WASHER 22.1-28-3
7 353-64038-0 SHIM 36-44-0.1
8 3C8-64211-0 PROPELLER SHAFT
9 3C8-64217-0 PIN
9a 3C8-64215-2 CLUTCH
10 3C8-64222-0 SPRING RETAINER
11 3C8-64221-0 SPRING
12 3C8-64219-1 SNAP
13 3C8Q60100-1 PROPELLER SHAFT HOUSING ASSY
14 3C8Q60101-1 * PROPELLER SHAFT HOUSING
15 345-60211-0 * ROLLER BEARING 22-30-30
16 3F3-60223-0 * OIL SEAL 22-37-8
17 9601-0-6007 * BALL BEARING 6007
18 345-60103-0 * O-RING 3.5-69.4
19 3C8-64223-1 PUSH ROD
20 965002-0803 BALL 3/8
21 3T5B64532-1 PROPELLER ASSY (15")
22 3TW-87326-0 PROPELLER HARDWARE KIT
23 3C8-64231-0 * THRUST HOLDER
24 3TW-64232-0 * STOPPER
25 3TW-64124-0 * WASHER 17-40-3
26 353-64121-0 * PROPELLER NUT M16P1.5
27 951503-0325 * SPLIT PIN 3-25
Fig.18 BRACKET (MANUAL TILT) (60 parts) Fig.18 BRACKET (MANUAL TILT)
Ref OEM Part # Part Name
1 3C8Q62112-2 CLAMP BRACKET (R)
2 9101E3-0612 BOLT
3 3C8Q62113-2 CLAMP BRACKET (L)
4 3B7-60218-1 ANODE
5 910103-5630 BOLT
6 3AC-62191-0 SWIVEL BRACKET SHAFT ASSY
7 346-62124-1 NYLON NUT 7/8-14
8 349-62126-0 BUSHING
9 3C8-62132-0 BUSHING 22-25-35.5
10 346-62127-0 CAP NUT
11 3C8-62117-1 DISTANCE PIECE 9.4-13.8-116
12 930103-0800 NUT
14 3C8-62120-1 BOLT 8-170
15 3C8-62121-1 THRUST ROD
16 345-62122-2 THRUST ROD SPRING
17 3C8Q62310-3 SWIVEL BRACKET
18 344-67177-1 GREASE FITTING
19 940103-0600 WASHER
20 345-62441-0 FRICTION PIECE
21 346-62421-1 FRICTION SPRING
22 9101E3-0830 BOLT
23 3E3Q62010-1 STEERING SHAFT ASSY
24 345-62417-0 BUSHING 26-32
25 3A0-62423-2 THRUST PLATE (UPPER) 27-50-1
26 346-62424-1 THRUST PLATE (LOWER) 26.5-46-1
27 3H8-62415-0 O-RING 3.5-25.7
28 945103-2500 C-RING d=25
29 3C8-61302-1 RUBBER MOUNT (LOWER)
30 3C8Q61411-3 MOUNT BRACKET
31 3C8-61336-0 DAMPER (LOWER)
32 3C8-61321-1 BOLT 12-114.5
34 3C7-61338-0 DAMPER 21-36-5
35 930403-1200 NYLON NUT 12-P1.75
36 9402E3-1200 WASHER
37 3C8Q61342-1 MOUNT HOLDING PLATE (LOWER)
38 9101E3-5620 BOLT
39 3C8-62094-0 BOLT 10-48
40 3E3-61301-2 RUBBER MOUNT (UPPER)
41 353-61307-1 BOLT 3/8-100
42 3E3-61333-0 DAMPER (UPPER)
44 3E3-61335-0 LOCK PLATE
45 3C8-61341-0 MOUNT HOLDING PLATE (UPPER)
46 9101E3-5835 BOLT
47 3C8-62396-1 GROUND L=210
48 398-62396-1 GROUND L=130
50 3A3-62396-1 GROUND L=110
51 910103-5612 BOLT
52 3C8-72120-1 RIGGING BOLT SET
53 3C7-62133-2 * BOLT 12-105 P1.25
54 353-61334-0 * WASHER 13-34-3
55 940103-1200 * WASHER
56 3R0-61324-0 * NYLON NUT 12-P1.25
60 3RSQ62105-1 CLAMP SCREW KIT
61 3RSQ62108-0 * CLAMP SCREW ASSY
62 3RS-62106-0 ** CLAMP SCREW
63 3RSQ62102-0 ** CLAMP SCREW HANDLE
64 951403-0622 ** SPRING PIN
65 332-62101-1 * CLAMP SCREW PAD
66 945303-0500 * E-RING d=5
67 9402E3-0800 WASHER
Fig.19 MANUAL TILT (24 parts) Fig.19 MANUAL TILT
Ref OEM Part # Part Name
1 3C8Q62431-2 TILT STOPPER ASSY
2 346-62437-0 BUSHING 10.2-12-29.5
3 346-62439-1 SETTING PLATE
4 9101E3-5820 BOLT
5 3C8-62421-1 FRICTION SPRING
6 346-62438-0 SETTING PIECE
7 3C8-66352-2 REVERSE LOCK (L)
8 3C8-66351-2 REVERSE LOCK (R)
9 3C8-66313-4 REVERSE LOCK ARM
10 3C8-66319-1 REVERSE LOCK SHAFT
11 945303-0600 E-RING d=6
12 3C8-66321-0 REVERSE LOCK ROD
13 951503-0212 SPLIT PIN 2-12
14 3E3-62436-1 TILT STOPPER LEVER
15 3C8-66332-2 REVERSE LOCK SPRING (L)
16 3AL-05254-0 SHOULDER BOLT 6-8
17 3R0-66308-0 WASHER 6-16-1.5
18 940103-0800 WASHER
19 3AL-05212-0 BUSHING 8.1-20
20 3AA-83719-0 WASHER 8.5-18-1.6
21 3C8-66318-1 LINK
22 3C8-66336-0 SPRING
23 346-66333-1 REVERSE LOCK LEVER GRIP
24 346-66334-0 STOPPER
Fig.20 BRACKET (POWER TRIM & TILT) (45 parts) Fig.20 BRACKET (POWER TRIM & TILT)
Ref OEM Part # Part Name
1 3GFQ77211-0 CLAMP BRACKET (PTT-R)
2 3GFQ77212-0 CLAMP BRACKET (PTT-L)
3 3B7-60218-1 ANODE
4 910103-5630 BOLT
5 398-62396-1 GROUND L=130
6 3R0-77118-0 PTT THRUST ROD
7 951603-1000 SNAP PIN
8 3KY-62191-0 SWIVEL BRACKET SHAFT ASSY
9 3C8-77213-0 BUSHING
10 3GFQ77208-1 SWIVEL BRACKET ASSY
11 344-67177-1 * GREASE FITTING
12 353-63207-0 COLLAR 10.2-24-12
13 3R0-62473-0 TILT STOPPER SPRING
14 3GFQ62010-1 STEERING SHAFT ASSY
15 353-62417-0 BUSHING 30-36-41
16 353-62423-1 THRUST PLATE (UPPER) 31.1-50-2
17 353-62415-0 O-RING 3.5-29.7
18 945103-2800 C-RING d=28
19 3Z5Q61411-1 MOUNT BRACKET
22 345-06915-0 CLAMP 6.5-14L
24 3Z4-72574-0 TRIM SENSOR L=1700
25 910103-0620 BOLT
26 3C8-66308-0 WASHER 6-16-1.5
27 336-06973-0 CLAMP 6-9.5L
28 921503-5612 SCREW
29 3T1-72573-1 EXTENSION CORD (TRIM SENSOR) L=6000
30 3KY-77071-0 CYLINDER PIN (UPPER)
31 3R0-77075-0 BUSHING 13-16-40
32 3R0-77076-0 BUSHING 13-17-19.5
33 9101E3-0612 BOLT
34 345-05122-1 WASHER 6.5-23-1.5
35 3UR-77101-0 CYLINDER PIN (LOWER)
36 3C8-77076-1 BUSHING 18-24-22
37 3Z5-77103-0 BUSHING 18-24-57.5
38 3R0-77112-0 WASHER 18.2-34-1
39 945103-1800 C-RING d=18
40 910103-5612 BOLT
41 3RS-77217-1 CLAMP SCREW KIT
42 3RS-77216-0 * CLAMP SCREW (PTT)
43 332-62101-1 * CLAMP SCREW PAD
44 945303-0500 * E-RING d=5
45 3GF-62466-1 TILT STOPPER KIT
46 951403-3516 * SPRING PIN 3.5-16
47 369-62433-1 * TILT STOPPER GRIP
48 3E5-77150-4 PTT ASSY
Fig.21 POWER TRIM & TILT (28 parts) Fig.21 POWER TRIM & TILT
Ref OEM Part # Part Name
2 3E5-77180-1 MOTOR ASSY
3 3Z5-77190-0 * ARMATURE ASSY
4 3E5-77192-1 * MOTOR BRACKET ASSY
5 3Z5-77182-0 ** O-RING 2-55.5
6 3SS-77183-1 ** BRUSH
7 3Z5-77191-1 ** BREAKER
8 3E0-77184-0 ** BRUSH SPRING
9 921503-0520 * SCREW
10 3Z5-77166-0 COUPLING
11 3B7-77167-0 O-RING 1.8-69.6
12 3Z5-77194-0 SCREW
13 3Z5-77460-0 VALVE ASSY
14 3Z5-77450-0 RELIEF VALVE ASSY
15 3R0-77451-0 * O-RING 1.5-3.5
16 3B7-77430-0 PUMP
17 3B7-77432-1 BOLT
18 3B7-77431-1 BOLT
19 3B7-77433-0 O-RING 1.5-6.5
20 3B7-77434-1 FILTER
21 3Z5-77165-1 RESERVE TANK
22 3Z5-77159-0 BOLT
23 3Z5-77221-0 CAP ASSY
24 3Z5-77175-0 MANUAL VALVE ASSY
25 3R0-77173-0 SEAL WASHER
26 3R0-77171-0 C-RING
27 3KY-77367-0 JOINT
28 3Z5-77225-0 PTT O-RING SET
29 3KY-77374-0 NUT
Fig.22 TILLER HANDLE (F TYPE) (32 parts) Fig.22 TILLER HANDLE (F TYPE)
Ref OEM Part # Part Name
1 3E3Q62001-0 STEERING BRACKET
4 3C8Q63003-2 TILLER HANDLE ASSY
5 3C8Q63011-2 * TILLER HANDLE
6 398-63012-0 * GRIP
7 3C8-63041-1 * THROTTLE SHAFT
8 345-63048-0 * THROTTLE SHAFT DAMPER
9 398-63053-0 * SPACER
10 951403-0310 * SPRING PIN 3-10
11 350-63046-0 * BUSHING 8.4-10-11
12 921803-0525 * SCREW
13 3C8-63063-0 * THROTTLE SHAFT SUPPORT
14 9101E3-5612 * BOLT
15 3V1-63035-1 * FRICTION PIECE
16 3V1-63077-0 * ADJUSTING NUT
17 3V1-63036-0 * SPRING
18 910103-0625 * BOLT
19 369-72019-2 * THROTTLE DECAL
20 3C8-63101-0 BUSHING
21 3B2-63108-0 WASHER 30-45-1
22 3B2-63109-0 WAVE WASHER 30-45-1.2
23 3C8-63102-1 BUSHING
24 9401E3-1000 WASHER
25 930103-1000 NUT 10-P1.5
26 3C8-63600-1 THROTTLE WIRE
27 3C8-63607-0 CLIP
28 3C8-63508-1 THROTTLE WIRE BRACKET
29 910103-5614 BOLT
31 3C8-66308-0 WASHER 6-16-1.5
32 910103-0610 BOLT
33 3E5Q63028-1 TILLER HANDLE HOLDER ASSY
34 3C8-02332-0 * STUD BOLT
37 3C8-84339-1 INSTRUCTION DECAL
Fig.23 BOTTOM COWL・SHIFT (72 parts) Fig.23 BOTTOM COWL・SHIFT
Ref OEM Part # Part Name
1 346-67113-0 MOUNT 8.5-14-2.5
2 346-67114-1 SPACER 6.2-9-15.7
3 3C8-67151-2 CHOKE ROD
4 3C8-67156-1 BUSHING
5 345-67117-0 GROMMET 17-2.7
6 3C8Q67141-0 HOOK LEVER
7 3C8-67146-0 WASHER 14-22-1
8 338-67147-0 SEAL RING 13.8-22-3.7
9 369-67105-0 HOOK LEVER BUSHING
10 941403-1400 WAVE WASHER d=14
11 3MC-67142-0 COVER HOOK
12 910103-0612 BOLT
13 3C8-66308-0 WASHER 6-16-1.5
15 3C8-83732-0 GROMMET
16 3C8-76116-1 GROMMET
17 3C8-67162-1 GROMMET
18 345-76092-0 GROMMET 20-3
19 338-67163-0 GROMMET 18-2.5
20 3C8-63624-0 GROMMET 30-12-2.5
21 345-06915-0 CLAMP 6.5-14L
23 930103-0600 NUT
24 3PR-06972-0 CLAMP 6.5-47.5P
25 910103-5610 BOLT
26 3B2-67187-0 GROMMET 16-17.5
27 3T1-01138-0 NIPPLE 6-8-11
28 98AB-50-260 HOSE
29 3C8-76020-2 MAIN SWITCH ASSY
30 3F3-76219-0 * MAIN SWITCH KEY No.303
31 3C8-76080-2 NEUTRAL SWITCH
32 3B7-63731-0 WASHER 12.5-24-1
33 3E0-72615-0 PTT SWITCH ASSY
34 3F3-72616-1 GASKET
35 3GF-72617-0 PTT SWITCH ASSY BRACKET
37 3C8-71040-1 PILOT LAMP ASSY
38 3C8-06820-0 STOP SWITCH ASSY
39 31H-06848-0 * STOP SWITCH LANYARD ASSY
40 3E3-66110-0 SHIFT LEVER
41 3C8-66122-1 SHIFT ARM
42 350-67101-0 BUSHING
43 941403-1200 WAVE WASHER d=12
44 3C8-66225-0 SHIFT ROD LEVER
45 951703-0800 SNAP RETAINER d=8
46 3C8-66113-1 SHIFT DETENT SPRING
47 3C8-66117-0 SHIFT DETENT SUPPORTER
50 3C8-66135-0 SHIFT LEVER SHAFT
51 3AA-83719-0 WASHER 8.5-18-1.6
52 3B7-01046-0 PLUG
53 3B7-83715-2 CABLE JOINT
54 951603-0800 SNAP PIN d=8
55 3B2-70260-1 FUEL CONNECTOR (MALE)
56 332-70261-0 NUT 10-P1.25
57 336-70112-0 GASKET 10.2-16-0.5
58 9101E3-0630 BOLT
59 346-67115-0 WASHER 6.5-21-1
60 3M2-66226-0 GROMMET 17-3
61 3C8-66211-0 SHIFT ROD
62 951403-0312 SPRING PIN 3-12
63 3C8Q83737-0 CABLE CLIP BRACKET ASSY
64 3Z5-83738-0 * CLUTCH CABLE CLIP BRACKET
66 910103-5612 * BOLT
67 3C8-83821-0 SCREW 4-20 P0.5
68 941303-0400 SPRING WASHER
69 3C8Q76118-0 CLAMP
70 910103-5625 BOLT
71 910103-5616 BOLT
72 369-84398-1 BAND 202
73 3A3-72026-1 SPARK PLUG DECAL (BR8HS10)
74 3C8Q67110-1 BOTTOM COWL W/GROMMET
75 3C8Q67100-2 * BOTTOM COWL
76 3F3-72618-0 * GROMMET 47-2.5
79 369-66043-1 GROMMET 10.7-3.5
80 3TW-67179-0 DRAIN PLUG (ENGINE BASEMENT)
Fig.24 TOP COWL (19 parts) Fig.24 TOP COWL
Ref OEM Part # Part Name
1 3E3Q67645-9 TOP COWL ASSY
2 3GFQ67640-0 * TOP COWL SUB-ASSY
3 3TYQ67640-0 * TOP COWL SUB-ASSY
5 3E3Q67521-1 ** TILT HANDLE
6 3TWQ67521-0 ** TILT HANDLE
7 930403-0600 ** NYLON NUT 6-P1.0
8 3C8-66308-0 ** WASHER 6-16-1.5
9 3C8-67501-1 ** TOP COWL SEAL
10 3E3Q67210-1 ** FILLER LID
11 3B7-67211-0 ** FILLER LID HINGE
12 3C8-67212-1 ** SPRING
13 910103-0614 ** BOLT
14 930103-0600 ** NUT
15 941303-0600 ** SPRING WASHER
16 3E3-67213-0 ** SEAL L=275
17 3E3-87801-4 * DECAL SET (M50D2)
18 3C8-67578-2 * SHIFT DECAL
22 3F0-72185-0 CAUTION DECAL
23 3AC-72200-0 STOP SWITCH DECAL
Fig.25 FUEL TANK (20 parts) Fig.25 FUEL TANK
Ref OEM Part # Part Name
1 3B7-70200-5 PRIMER BULB ASSY
1a 1D8-70225-0 * PRIMER BULB SUB-ASSY
2 3C7-70220-1 ** JOINT ASSY (INLET)
3 3C7-70224-1 ** JOINT ASSY (OUTLET)
4 3C7-70211-1 ** PRIMER BULB
5 3C7-70217-0 ** CLAMP
6 98AB-70-700 * HOSE
7 98AB-701600 * HOSE
8 3B7-70280-1 * FUEL CONNECTOR MARK
9 3GF-70281-0 * FUEL CONNECTOR
10 3GF-70250-1 * FUEL CONNECTOR
11 332-70201-0 * CLAMP
12 3KZ-70177-0 FUEL TANK ASSY 25L
13 3RS-70020-0 * FUEL TANK CAP ASSY
14 3RS-70021-0 ** TANK FILLER CAP GASKET
15 3E0-70270-0 * QUICK-CONNECTOR (MALE)
16 3AC-70157-0 * FUEL PICK-UP ASSY W/GAUGE
17 3AC-70140-0 * SCREW
18 3AC-70145-0 * WASHER
19 3AC-70150-0 * GASKET
Fig.26 COMPONENT PARTS OF REMOTE CONTROL (56 parts) Fig.26 COMPONENT PARTS OF REMOTE CONTROL
Ref OEM Part # Part Name
1 3U2B84330-2 REMOTE CONTROL HEAD ASSY (RC12A)
2 3U2B84340-2 REMOTE CONTROL HEAD ASSY (RC12B)
3 3A3-84365-1 * THROTTLE ARM
4 3A3-84428-0 * THROTTLE FRICTION ARM
5 945303-0600 * E-RING d=6
6 353-84394-0 * WASHER
7 3U2-84427-0 * ADJUSTING SCREW
8 3A3-84381-0 * SHIFT GEAR ASSY
9 3A3-83314-2 * CABLE TERMINAL
10 3A3-84364-2 * DRIVE GEAR
11 930103-0500 * NUT
12 910103-0525 * BOLT
13 3A3-84376-0 * GROMMET
14 3U2B84441-0 * REAR HOUSING
15 3U2B84366-0 * REAR PANEL
16 3U2-84401-0 * NEUTRAL LOCK ARM
17 3A3-84403-0 * NEUTRAL LOCK SPRING
18 3U2-84404-0 * GRIP
19 3U2-84343-0 * CONTROL LEVER
20 3A3-84368-0 * WAVE WASHER
21 3A3-84391-0 * FREE THROTTLE DRUM
22 3A3-84435-0 * BUSHING
23 3A3-84422-0 * THRUST PLATE
24 921603-0512 * SCREW
25 3E3-84339-0 * INSTRUCTION DECAL
26 3A3-84432-0 * BUSHING
27 3U2-84375-0 * SCREW
28 3VK-84375-0 * SCREW
28a 3U2-64333-0 * PRE-COATED SCREW
29 3VL-84375-0 * SCREW
30 3A3-84374-0 * SPACER
31 353-84371-0 * WASHER
32 3U2-84371-0 * WASHER
33 930103-0600 * NUT
34 3A3-84383-0 * WASHER
35 3A3-84421-0 * ROLLER
36 3U2-84431-0 * BUSHING
37 940103-0800 * WASHER
38 3U2-84442-0 * BOLT
39 353-84388-0 * DETENT ROLLER
40 3U2B84312-0 * FREE THROTTLE LEVER
41 921503-0406 * SCREW
42 3A3-84423-0 * DETENT RETAINER
43 3A3-84307-0 * DETENT SPRING
44 3A3-84424-0 * FREE THROTTLE ROLLER
45 3A3-84426-0 * ROLLER RETAINER
46 3A3-84425-0 * FREE THROTTLE SPRING
47 3VK-63107-0 * COVER
48 3U2-63506-0 * HOLDER
49 3U2-84917-0 * BOLT
50 3U2-77367-0 * JOINT
51 3U2-72187-0 * CAUTION DECAL (SIGP)
52 3U2B84440-0 * FRONT HOUSING
53 3U2-84452-0 * TILT SWITCH PLUG
54 353-76037-0 * CABLE TERMINAL PLUG
55 3U2-06973-0 * CLAMP
Fig.27 COMPONENT PARTS OF REMOTE CONTROL (ELECTRIC PARTS) (16 parts) Fig.27 COMPONENT PARTS OF REMOTE CONTROL (ELECTRIC PARTS)
Ref OEM Part # Part Name
1 3GF-76020-0 MAIN SWITCH ASSY
2 3GF-76219-0 * MAIN SWITCH KEY
3 3GF-76205-0 * MAIN SWITCH KEY COVERING CAP
4 3A3-76115-1 CORD ASSY L=6200
5 353-72546-0 ASSIST CORD (RED) L=200
6 3VS-84331-0 DECAL (LEVER)
7 3U2-84336-1 SHIFT POSITION DECAL
9 3U2-84398-0 BAND
10 3A3-76086-1 NEUTRAL SWITCH (REMOTE CONT)
11 921503-5316 SCREW
12 3C8-76171-0 OVERHEAT BUZZER
13 3A3-06830-0 STOP SWITCH ASSY
14 31H-06848-0 * STOP SWITCH LANYARD ASSY
15 3VS-72200-0 STOP SWITCH DECAL
16 3U2-84334-0 REMOTE CONTROL LOGO DECAL
17 3U2-72615-0 PTT SWITCH ASSY
Fig.28 ACCESSORIES (1) (16 parts) Fig.28 ACCESSORIES (1)
Ref OEM Part # Part Name
1 3C8-84910-2 DRAG LINK ASSY
2 3C8-84914-1 * COLLAR 9.6-13-6.5
3 3C8-84916-0 * COLLAR 9.6-19-6
4 951503-0215 * SPLIT PIN
5 3C8-84917-0 * BOLT 3/8-19
6 353-84918-0 * NYLON NUT 3/8-24UNF
7 353-84916-0 * WASHER 9.6-18-2
8 3F3-84908-0 * SEAL RING
11 3B7-72201-0 SAFETY ROPE φ5-1600
12 3C8-72100-2 TOOL KIT
13 3PB-72638-2 TACHOMETER KIT
20 3UA-72537-0 METER LEAD WIRE L=2000
21 353-76037-0 CABLE TERMINAL PLUG
29 3B7-60007-0 FLUSHING PLUG
38 353-72521-1 METER LAMP SWITCH
39 353-72548-0 ASSIST CORD (BLK) L=200
Fig.28A ACCESSORIES (2) (5 parts) Fig.28A ACCESSORIES (2)
Ref OEM Part # Part Name
1 3WA-72523-3 TRIM METER KIT
2 3WA-72532-1 HOUR METER KIT
3 3WA-72531-1 VOLTMETER KIT
4 3WA-72527-3 WATER PRESSURE METER KIT
6 3WA-72600-1 FUEL METER KIT
Fig.30 OPTIONAL PARTS(1) (18 parts) Fig.30 OPTIONAL PARTS(1)
Ref OEM Part # Part Name
1 3C8Q84960-0 CLEVIS ASSY
2 3C8-84962-0 * COLLAR 9.6-13-20.5
4 3C8-84963-0 * BOLT 3/8-43
6 3C8-84964-0 * BOLT 3/8-35
7 3C8-84900-1 TIE BAR KIT
9 353-84918-0 * NYLON NUT 3/8-24UNF
10 3C8-84936-0 * STEERING ROD JOINT
11 3C8-84914-1 * COLLAR 9.6-13-6.5
12 353-84916-0 * WASHER 9.6-18-2
13 3C8-84917-0 * BOLT 3/8-19
14 951503-0215 * SPLIT PIN
15 3C8-84937-0 * BOLT 3/8-30
16 3E3-84830-0 STEERING HOOK
17 3E3-62097-0 STUD 10-25 P1.25
18 3C8-62098-0 NYLON NUT 10-P1.25
19 940203-1000 WASHER
20 353-84904-0 DRAG LINK SPACER
21 3A3-81301-0 TWIN REMOTE CONTROL KIT
Fig.32 OPTIONAL PARTS(2) (4 parts) Fig.32 OPTIONAL PARTS(2)
Ref OEM Part # Part Name
1 3C8-76160-3 RECTIFIER KIT
2 921503-7625 * SCREW
3 3A3-76114-0 EXTENSION CORD L=2000
4 3Z4-72573-0 EXTENSION CORD (TRIM SENSOR) L=2000
Fig.33 ASSEMBLY・KIT PARTS (9 parts) Fig.33 ASSEMBLY・KIT PARTS
Ref OEM Part # Part Name
1 3T5Q87302-6 LOWER UNIT ASSY (L)
2 922503-6410 * SCREW
3 3C8-87121-C POWER HEAD GASKET SET
4 9101E3-5855 * BOLT
5 3Z5-65238-1 * PUMP CASE LINER
6 3T5-87321-4 LOWER UNIT GASKET SET
7 921503-7625 * SCREW
8 3E3B87090-E ENGINE SHORT BLOCK KIT
9 951407-0312 * SPRING PIN 3-12

100-Hour / Annual Service Checklist

Regular maintenance keeps your Tohatsu M40/50D2 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. Inspect and clean carburetor(s); check fuel mixture settings
  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. Decarbonize exhaust ports and piston crown if needed
  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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