Tohatsu MD75/90C2 (2018) Parts & Diagrams

OEM and aftermarket replacement parts for Tohatsu MD75/90C2. Scroll down for exploded parts diagrams (30), specifications, and maintenance reference.

Tohatsu MD75/90C2 (2018) Parts & Diagrams

🔎 Tohatsu MD75/90C2 Reference Library — Exploded parts diagrams (30 diagrams), specifications, common issues, and maintenance checklist.

The Tohatsu MD75/90C2 is a 2-Stroke TLDI outboard motor. Suited for bay boats, pontoons, and center-console fishing boats requiring reliable mid-range power.

Quick Reference Specifications

Specification Value
Engine Type 2-Stroke TLDI
Horsepower 75 HP
Displacement 1267
Bore x Stroke 86 x 72.7
Spark Plug (Type & Gap) NGK IZFR6Q
Engine Oil Capacity
Recommended Engine Oil TC-W3 Certified 2-Stroke Oil
Gear Case Oil Capacity 900 mL (30.4 fl oz)
Idle Speed (in gear)
Full Throttle RPM Range
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 MD75/90C2:

  • 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 MD75/90C2.

Fig.01 CYLINDER・CRANK CASE (56 parts) Fig.01 CYLINDER・CRANK CASE
Ref OEM Part # Part Name
1 3FWB01100-1 CYL BLOCK & CRANKCASE ASSY
2 345-01111-0 * DOWEL PIN 6-12
3 3T9-00117-0 * DOWEL PIN
4 915324-1065 * STUD
5 910103-0618 * BOLT
6 353-76079-0 * COLLAR 6.2-9-9.3
7 931121-1000 * NUT 10-P1.25
8 916129-1065 * BOLT
9 3B7-01116-0 * WASHER 10.5-20-3.2
10 916124-0850 * BOLT
11 916124-0865 * BOLT
13 3T9B01021-0 CYLINDER HEAD COVER
14 3T9-01024-0 CYLINDER HEAD COVER GASKET
16 910103-5625 BOLT
17 3C7-01030-0 THERMOSTAT
18 3T9B01060-0 THERMOSTAT CAP ASSY
19 3T9-01032-1 THERMOSTAT CAP GASKET
20 9101E3-5640 BOLT
21 3FWB01091-0 CYLINDER HEAD
22 3T9-01005-0 CYLINDER HEAD GASKET
23 334-65012-0 DOWEL PIN 4-10
24 916129-0875 BOLT
25 345-01015-0 WASHER 8.5-19.5-3.2
26 3C7-01513-2 HANGER
27 910114-0820 BOLT
28 940103-0800 WASHER
29 3FWB02300-0 EXHAUST COVER ASSY
30 3FW-02305-0 EXHAUST COVER GASKET
31 9101E3-5625 BOLT
32 369-60218-1 ANODE
33 910103-0616 BOLT
34 3FW-01143-0 ANODE PLUG
35 3FW-01146-0 SEAL RING
37 3B7-60218-1 ANODE
38 910103-5630 BOLT
39 3B7-01291-2 CRANKCASE HEAD
40 171-00053-0 O-RING 2-74.5
41 3T9-00121-0 OIL SEAL 35-58-9
42 3C7-01215-0 OIL SEAL 19.6-35-10
43 910103-5620 BOLT
44 9701-1-1111 SPARK PLUG(IZFR6Q)
45 98AB-50-780 HOSE
47 98AB-50-065 HOSE
48 98AB-50-115 HOSE
49 338-02215-0 CLIP φ10
50 3T7-01175-0 NIPPLE ASSY (CHECK VALVE)
51 98AL-40-185 HOSE
54 98AL-40-240 HOSE
55 393-01160-0 CHECK VALVE
56 338-01133-0 CLIP φ7
57 3FW-09115-0 OIL HOSE 2×5
58 3GB-09115-0 OIL HOSE 2×5
59 3T5-84398-0 BAND 104
60 3FW-06972-0 CLAMP
61 3FY-06972-0 CLAMP
62 910103-5612 BOLT
Fig.02 PISTON・CRANK SHAFT (17 parts) Fig.02 PISTON・CRANK SHAFT
Ref OEM Part # Part Name
1 3FW-00030-1 CRANKSHAFT ASSY
2 3FW-00118-0 * MAIN BEARING 40-80-18
4 3B7-00116-0 * SPACER 40-52-7
5 3T7-00119-0 * SPACER 35-48.6-16
6 945107-3500 * C-RING d=35
7 3T5-00113-0 MAIN BEARING
8 3T5-00121-0 * OIL SEAL 36-46-6
9 353-00108-0 O-RING 2.4-44.7
10 3B7-00115-0 THRUST PLATE 66-85-2
11 3T1-00042-0 ROLLER BEARING 23-28-28
12 3T1-00046-0 SMALL END BEARING WASHER
13 3FW-87131-0 PISTON REPAIR KIT (0.5 O/S)
14 3FW-00004-1 PISTON (0.5 O/S)
15 3T1-00021-1 PISTON PIN φ23
16 3T1-00024-0 PISTON PIN CLIP
17 3FW-87124-0 PISTON RING SET (0.5 O/S)
18 3B7-00014-0 PISTON RING (0.5 O/S)
Fig.03 AIR CHAMBER (11 parts) Fig.03 AIR CHAMBER
Ref OEM Part # Part Name
1 3FWB02240-0 AIR CHAMBER ASSY
2 3GF-01139-0 SEALING CAP
3 3T9-02242-0 AIR CHAMBER GASKET
4 3T9-02104-0 INTAKE MANIFOLD GASKET
5 3V1-60001-1 BOLT 6-35
6 3FWB02244-0 AIR CHAMBER COVER
7 3FW-02245-0 AIR CHAMBER COVER GASKET
8 334-65012-0 DOWEL PIN 4-10
9 910103-5645 BOLT
10 345-76092-0 GROMMET 20-3
11 3A3-02100-0 REED VALVE ASSY
Fig.04 AIR RAIL (47 parts) Fig.04 AIR RAIL
Ref OEM Part # Part Name
1 3FW-10080-0 AIR RAIL ASSY
2 3T5-10166-0 * NIPPLE
3 3T5-10098-0 VALVE ASSY (PRESSURE CHECK)
4 3T5-10167-0 PLUG 10.5
5 3T5-10164-1 O-RING 1.9-6.8
6 3T5-10165-0 PLUG STOPPER
7 910103-5612 BOLT
8 98AY-45-105 HOSE
9 3T5-10091-0 CLAMP 29/64
10 910103-0865 BOLT
11 940103-0800 WASHER
12 3GF-10310-0 AIR INJECTOR COMPLETE
13 3T5-10317-0 * O-RING 5-52
14 3Y9-10311-1 * O-RING 2.4-9.6
15 3Y9-10312-0 DISC SPRING
16 3T5-10314-0 FUEL INJECTOR INSERT
17 3T5-10316-0 SEAL
18 3T5-10315-0 FUEL INJECTOR ADAPTER
19 3T5-10300-0 FUEL INJECTOR ASSY
20 3T5-10304-0 * O-RING 2.8-20.2
21 3T5-10303-0 * O-RING 3.5-7.5
22 3T5-10148-0 FUEL REGULATOR ASSY
25 3GF-10090-0 AIR REGULATOR ASSY
26 3T5-10095-0 * O-RING 2.5-20
27 3T5-10094-0 * O-RING 2.5-5
28 3T5-10302-0 HOLDING PLATE
29 3Y9-10302-0 HOLDING PLATE
30 3T1-84398-0 BAND 170
31 3T1-76174-0 STAY
32 3FW-10088-0 AIR HOSE ASSY L=300
34 3FY-10089-0 FUEL HOSE ASSY L=543
35 3T5-10162-0 * O-RING 1.9-9.8
36 3T5B10143-0 * HIGH PRESSURE FUEL FILTER
37 3Y7-06157-0 * PROTECTOR L=210
38 3T5-10086-0 * CLAMP 21/32
39 3T5-10145-0 FUEL FILTER RUBBER MOUNT
40 3FW-10144-0 FUEL FILTER BAND
41 3T5-10169-0 HOLDING PLATE
42 3T5-10153-0 COLLAR 6.7-12.7-3
44 910103-5616 BOLT
45 3T5-10099-0 CAP
46 98AB-50-770 HOSE
47 3FZ-02165-1 FUEL HOSE W/PROTECTOR L=770
48 3GT-35143-0 CLIP φ9.4
49 98AB-50-230 HOSE
50 338-02215-0 CLIP φ10
51 3T5-72196-0 AIR RAIL DECAL
Fig.05 AIR COMPRESSOR (32 parts) Fig.05 AIR COMPRESSOR
Ref OEM Part # Part Name
1 3FWB10000-1 AIR COMPRESSOR ASSY
2 3HKB10009-0 * COMPRESSOR HEAD ASSY
3 3T5-04308-0 ** ADAPTER
4 3T5-04309-0 ** WASHER 10.2-17-2
5 9101F4-5635 * BOLT
6 3T1-10012-0 * GASKET
7 3HK-10010-1 * REED VALVE ASSY
8 3T1-10019-0 * GASKET
9 3T1-87330-0 * PISTON & CONNECTING ROD ASSY
10 3T1-10025-0 * AIR COMPRESSOR PISTON RING
11 3T1-87331-1 * COMPRESSOR CRANKSHAFT ASSY
12 9601-0-6203 * BALL BEARING 6203
13 3T1-10042-0 * COLLAR 13.5-25-13
14 3T5-10046-0 * O-RING 1.9-13
15 3T1B10048-0 * AIR COMPRESSOR CYLINDER ASSY
16 3T1B10049-0 * AIR COMPRESSOR HOUSING ASSY
17 3T1-10054-0 * GASKET
18 3T5-10041-0 * OIL SEAL 25-45-8
19 910103-5625 * BOLT
20 334-65012-0 * DOWEL PIN 4-10
21 3FW-10062-0 * DRIVEN PULLEY
22 309-00132-0 * NUT 10-P1.25
23 3B7-01116-0 * WASHER 10.5-20-3.2
24 3Y9-72514-0 WATER TEMPERATURE SENSOR
25 3G9-66136-0 * O-RING 2-10
26 910103-5830 BOLT
27 345-01111-0 DOWEL PIN 6-12
28 3FW-10060-0 DRIVE PULLEY
29 3FW-10061-0 DRIVE BELT
30 3GF-10130-0 AIR FILTER ASSY
31 98AT130-060 HOSE
32 98AT130-140 HOSE
Fig.06 FUEL FEED PUMP (25 parts) Fig.06 FUEL FEED PUMP
Ref OEM Part # Part Name
1 3FW-04310-0 FUEL FEED PUMP ASSY
2 3T1-04302-0 * FUEL FEED PUMP
3 3FW-04234-0 * CASE ASSY
4 3T5-04312-0 * UPPER CASE ASSY
5 3T5-04308-0 * ADAPTER
6 3T5-04309-0 * WASHER 10.2-17-2
7 3T5-04116-0 * GASKET
8 3T5-04313-0 * GROMMET 37.3-18
9 3T5-04314-0 * GROMMET 24.3-35-5
10 3T5-04236-0 * CABLE TERMINAL ASSY (POSITIVE)
11 3T5-04237-0 * CABLE TERMINAL ASSY (NEGATIVE)
12 3T5-04317-0 * GROMMET
13 3T5-04318-0 * GROMMET
14 3T5-04238-0 * CORD
15 3T5-04239-0 * CORD COVER
16 910103-5512 * BOLT
17 940103-0500 * WASHER
18 3PR-06972-0 * CLAMP 6.5-47.5P
19 3T5-04319-0 * GROMMET 7.5-16.8
20 910103-6518 * BOLT
21 910103-0630 BOLT
22 3C8-66308-0 WASHER 6-16-1.5
23 3F3-06920-0 RUBBER MOUNT 8.5-12-2
24 346-67114-1 SPACER 6.2-9-15.7
25 3T5-06920-0 RUBBER MOUNT 8.5-18-7
Fig.07 THROTTLE (30 parts) Fig.07 THROTTLE
Ref OEM Part # Part Name
1 3B7B63711-3 ADVANCER ARM
2 3B7-63733-0 ROD SNAP 5-2.5
3 3T9-63702-3 LINK ROD ASSY (THROTTLE)
4 3T9-10109-1 LINK ROD ASSY (TPS)
5 910103-0835 BOLT
6 3B7-63730-0 WASHER 8.5-24-1.5
7 3B7-63713-0 BUSHING 12-14-15.5
8 3B7-63731-0 WASHER 12.5-24-1
9 3B7-63732-1 COLLAR 8.4-12-17
10 3B7-83715-2 CABLE JOINT
11 3AA-83719-0 WASHER 8.5-18-1.6
12 951603-0800 SNAP PIN d=8
13 3T9-10100-1 THROTTLE BODY ASSY
14 3T9-63718-1 THROTTLE CAM
15 910103-0616 BOLT
16 346-67115-0 WASHER 6.5-21-1
17 3T5-63721-0 BUSHING 6-24-7
18 346-05228-1 BALL JOINT
19 930203-0600 NUT
20 940103-0600 WASHER
21 3T5-10110-0 TPS ASSY
22 3T5-10107-0 * RUBBER MOUNT
23 3T5-10128-0 COLLAR 4.2-6-10.5
24 921503-0418 SCREW
25 3T5-10129-0 WASHER 4.2-12.5-0.8
26 3T5-72195-0 TPS DECAL
27 98AB-30-390 HOSE 3-7
28 3T5-84398-0 BAND 104
29 3T5-10104-0 GASKET
30 3T5-02241-0 BOLT 6-25
Fig.08 VAPOR SEPARATOR・FUEL LINE (58 parts) Fig.08 VAPOR SEPARATOR・FUEL LINE
Ref OEM Part # Part Name
1 3T5-10150-1 VAPOR SEPARATOR ASSY
2 922531-6414 * SCREW
3 921503-6430 * SCREW
4 3T5-03230-0 * FLOAT
5 3F3-03232-0 * FLOAT ARM PIN
6 921503-0408 * SCREW
7 3R3-03239-0 * FLOAT VALVE ASSY
8 344-03244-0 * CLIP
9 3T5-03235-0 * O-RING
10 345-03292-0 * DRAIN SCREW
11 336-03293-0 * O-RING
12 910103-0630 BOLT
13 346-67115-0 WASHER 6.5-21-1
14 346-67113-0 MOUNT 8.5-14-2.5
15 3B7-06920-0 RUBBER MOUNT 8.5-14-2.5
16 346-67114-1 SPACER 6.2-9-15.7
17 356-04000-1 FUEL PUMP ASSY
18 334-04004-0 * PUMP COVER
19 9225F2-6528 * SCREW
20 334-04005-0 * PUMP DIAPHRAGM
21 334-04007-0 * DIAPHRAGM GASKET
22 356-04044-0 * CHECK VALVE
23 921722-0306 * SCREW
24 930222-0300 * NUT
25 356-04030-0 * DIAPHRAGM GASKET SET
26 346-04901-2 GASKET
27 910103-0640 BOLT
28 940203-0600 WASHER
29 3T1-02230-0 FUEL FILTER ASSY
30 3B7-02237-0 * CUP
31 3B7-02235-0 * O-RING
32 3B7-02234-0 * FILTER
33 3T5-02229-0 * FLOAT
34 3B7-02236-0 * O-RING
35 930103-0800 NUT
36 940103-0800 WASHER
37 3T5-02239-0 PLATE
38 910103-5616 BOLT
39 3FW-02211-0 FUEL HOSE L=280
40 3FW-02165-0 FUEL HOSE W/PROTECTOR L=280
43 98AB-50-210 HOSE
44 3GB-02165-0 FUEL HOSE W/PROTECTOR L=210
45 3GT-35143-0 CLIP φ9.4
46 98AB-50-075 HOSE
47 3GA-02165-0 FUEL HOSE W/PROTECTOR L=75
48 338-02215-0 CLIP φ10
49 98AB-70-145 HOSE
50 3FW-02170-0 FUEL HOSE W/PROTECTOR L=145
51 3C7-02215-0 CLIP φ12
52 98AB-701000 HOSE
53 3KD-02170-2 FUEL HOSE W/PROTECTOR L=1000
54 345-70114-1 CLIP φ11.3
55 3T1-60018-0 NIPPLE 8-6-8
56 3T5-84398-0 BAND 104
57 3T1-03813-0 PLUG
58 3T1-06917-0 CLAMP φ10
59 3T1-06915-0 CLAMP φ10
60 3U1-06915-0 CLAMP φ10
Fig.09 MAGNETO (8 parts) Fig.09 MAGNETO
Ref OEM Part # Part Name
1 3FW-06091-0 FLYWHEEL W/GEAR
2 3FW-06023-0 ALTERNATOR ASSY
4 3FW-06008-0 COIL BRACKET
5 910103-5630 BOLT
6 345-01111-0 DOWEL PIN 6-12
7 3T5-06145-0 PICK-UP COIL
8 910103-5512 BOLT
9 334-00131-0 KEY
Fig.10 ELECTRIC PARTS (ECU・DIAGRAM) (46 parts) Fig.10 ELECTRIC PARTS (ECU・DIAGRAM)
Ref OEM Part # Part Name
1 3FY-06401-1 ECU ASSY
2 910103-0630 BOLT
3 346-67115-0 WASHER 6.5-21-1
4 346-67113-0 MOUNT 8.5-14-2.5
5 3B7-06920-0 RUBBER MOUNT 8.5-14-2.5
6 3T5-67114-0 SPACER 6.2-9-16.6
7 3Y9-06469-1 IGNITION COIL W/R-CAP
8 3H6-06999-0 * PLUG CAP W/RESISTANCE
10 910103-5630 BOLT
11 3FW-76060-0 RECTIFIER COMPLETE
12 910103-5625 BOLT
14 3FW-06281-0 CABLE TERMINAL HOLDER
15 910103-0620 BOLT
19 3FW-76110-1 CORD ASSY
20 3T1-06330-0 * RELAY
21 3T5-76249-0 * FUSE 30A
22 3Y9-76248-0 * FUSE 25A
23 3T5-76246-0 * FUSE 15A
25 3T1-84398-0 BAND 170
26 3FW-76174-0 STAY
28 369-84398-0 BAND 158
29 3PR-06972-0 CLAMP 6.5-47.5P
31 3FW-06901-0 BRACKET
32 910103-0625 BOLT
33 3C8-66308-0 WASHER 6-16-1.5
34 3F3-06920-0 RUBBER MOUNT 8.5-12-2
35 3T5-76079-0 COLLAR 6.2-9-10.7
36 3AC-76091-0 LEAD WIRE BAND 200
37 3T5-84398-0 BAND 104
38 3T5-06437-0 TAPPING SCREW 6-16
39 3H8-76040-0 STARTER SOLENOID
40 910103-5608 BOLT
42 3C8-72580-0 PTT SOLENOID SWITCH (A)
43 3C8-72581-0 PTT SOLENOID SWITCH (B)
43a 930103-0600 * NUT
43b 941303-0600 * SPRING WASHER
44 3T5-76142-1 GROUND CABLE L=140&285
46 3Y1-76145-0 TERMINAL CAP 8-13-28
47 3A3-76145-0 TERMINAL CAP 8-13-28
48 3Y9-72514-0 WATER TEMPERATURE SENSOR
49 3G9-66136-0 * O-RING 2-10
50 3R3-76141-0 STARTER CABLE L=270
51 910103-5612 BOLT
52 3FW-76120-0 BATTERY CABLE
53 930103-0800 NUT
54 3FW-76145-0 TERMINAL CAP 15.5-18.28
Fig.11 ELECTRIC PARTS (STARTER MOTOR) (1) (18 parts) Fig.11 ELECTRIC PARTS (STARTER MOTOR) (1)
Ref OEM Part # Part Name
1 3FW-06301-0 RING GEAR COVER
2 3T1-67005-0 GROMMET 16-2.5
3 3KZ-72181-1 CAUTION DECAL (B)
4 3Y9-72194-0 FUSE DECAL
5 3FW-72026-0 SPARK PLUG DECAL (IZFR6Q)
6 1E0-36056-0 HOOK
7 910103-0840 BOLT
8 3B7-63730-0 WASHER 8.5-24-1.5
9 3C7-76003-1 SPACER 8.4-12-21.5
10 3C7-76004-0 STARTER MOTOR MOUNT
11 3FW-76005-0 STARTER MOTOR MOUNT
12 3FWB76011-0 STARTER MOTOR BRACKET
15 3FWB76006-0 STARTER MOTOR BRACKET
16 9161F4-0845 BOLT
17 940103-0800 WASHER
18 3FW-76007-0 DAMPER
19 3FW-76009-0 STARTER MOTOR BAND
20 910103-5820 BOLT
Fig.12 STARTER MOTOR (9 parts) Fig.12 STARTER MOTOR
Ref OEM Part # Part Name
1 3FW-76010-0 STARTER MOTOR ASSY
2 3FW-76014-0 * BRUSH HOLDER
3 3FW-76314-0 * INTERNAL GEAR
4 3FW-76015-0 * PINION ASSY
5 3FW-76317-0 * PLANET GEAR
6 3FW-76318-0 * WASHER SET
7 3FW-76320-0 * SHIFT LEVER SET
8 3FW-76321-0 * MAGNETIC SWITCH
9 3FW-76322-0 * DUST COVER SET
Fig.13 OIL PUMP (42 parts) Fig.13 OIL PUMP
Ref OEM Part # Part Name
1 3T7-09010-0 ELECTRIC OIL PUMP
2 345-67113-0 MOUNT 12-18-2.5
3 3C7-67114-1 SPACER 8.4-12-17
4 910103-0835 BOLT
5 3B7-63730-0 WASHER 8.5-24-1.5
6 3T7-09072-0 BRACKET
7 3FY-76174-0 STAY
8 3T1-84398-0 BAND 170
9 99AA-6-0200 PIPE
11 99AA-2-0560 PIPE
12 99AA-2-0380 PIPE
13 99AA-2-0395 PIPE
14 99AA-2-0275 PIPE
15 99AA-2-0180 PIPE
16 3FW-09110-0 OIL PIPE
17 99AA-2-0465 PIPE
18 3T7-09076-0 JOINT
19 3T5-84398-0 BAND 104
20 3BJ-02215-0 CLIP φ7.8
21 3B7-09052-0 CLIP φ6.9
22 910103-5630 BOLT
23 99AA-6-1150 PIPE
24 3GT-35143-0 CLIP φ9.4
25 369-84398-0 BAND 158
26 3FW-71010-0 OIL TANK
27 3C8-71015-0 OIL FILLER CAP
28 3C8-71016-0 GASKET 36-52-2
29 3C8-71017-0 CAP HOOK
30 3C8-71018-0 OIL TANK CAP CHECK VALVE
31 3T5-71020-0 OIL LEVEL SENSOR
32 910103-0630 BOLT
33 346-67115-0 WASHER 6.5-21-1
34 346-67113-0 MOUNT 8.5-14-2.5
35 3B7-06920-0 RUBBER MOUNT 8.5-14-2.5
36 346-67114-1 SPACER 6.2-9-15.7
37 3C7-71030-0 OIL FILTER ASSY
38 3B7-02237-0 * CUP
39 3B7-02235-0 * O-RING
40 3C7-71033-0 * FILTER
41 3B7-02236-0 * O-RING
42 930103-0800 NUT
43 940103-0800 WASHER
Fig.14 DRIVE SHAFT HOUSING (40 parts) Fig.14 DRIVE SHAFT HOUSING
Ref OEM Part # Part Name
1 3T9Q01301-1 ENGINE BASEMENT
2 3B7-67179-0 DRAIN PLUG (ENGINE BASEMENT)
3 3B7-67116-0 ENGINE BASEMENT SEAL L=690
4 3B7-01303-4 ENGINE BASEMENT GASKET
5 345-01111-0 DOWEL PIN 6-12
6 910103-5635 BOLT
7 3B7-02311-0 EXHAUST PIPE
8 3V1-60001-1 BOLT 6-35
9 3B7-02312-2 EXHAUST PIPE GASKET
10 3D8-61180-0 EXHAUST HOUSING
11 3B7-61182-1 GROMMET
12 3B7-61207-0 IDLE EXHAUST PORT GROMMET
13 9101E3-0830 BOLT
15 3B7-61181-2 EXHAUST HOUSING GASKET
16 3FWQ61192-1 DRIVE SHAFT HOUSING (L)
17 3B7-61017-3 BOLT 8-105
18 3B7-61018-2 BOLT 8-115
20 3B7-61012-2 DRIVE SHAFT HOUSING GASKET
21 3B7Q61110-0 EXTENSION HOUSING
22 3T1-60001-1 BOLT 8-35
23 9153E3-0825 STUD
24 930103-0800 NUT
25 9402E3-0800 WASHER
26 3B7-60001-5 BOLT 10-40
27 9402E3-1000 WASHER
28 3B7-61186-0 REVERSE GAS PASSAGE PIPE
29 3T1Q61241-0 IDLE EXHAUST PASSAGE
30 3T1-61242-0 IDLE EXH PASSAGE SEPARATION
31 3T1Q61245-0 IDLE EXH PASSAGE COVER ASSY
32 3T1-61244-0 GASKET
33 9101E3-5620 BOLT
34 9101E3-5635 BOLT
35 3T1-61097-0 WATER OUTLET HOSE
36 3T1-61212-0 GROMMET
37 3T1Q61225-1 APRON ASSY
38 3T1-61213-0 * SEAL
39 9101E3-5612 BOLT
40 9101E3-5616 BOLT
41 3B7-61112-1 STUD 10-165
42 3B7-61114-0 NUT 10-P1.25
Fig.15 GEAR CASE (DRIVE SHAFT) (62 parts) Fig.15 GEAR CASE (DRIVE SHAFT)
Ref OEM Part # Part Name
1 3C7Q60000-6 GEAR CASE ASSY
2 3C7-60211-1 * ROLLER BEARING 28.6-38.1-3
3 332-60005-2 PLUG 8-8
4 332-60006-0 GASKET 8.1-15-1
5 3B7-60012-1 GEAR CASE PLATE
6 9216E3-0614 SCREW
7 3B7-60013-0 GEAR CASE PLATE PLUG
8 3B7-60217-1 TRIM TAB
9 3B7-60219-0 TRIM TAB GASKET
10 915303-0825 STUD
11 930403-0800 NYLON NUT 8-P1.25
12 3B7-60015-1 PLUG M10P1.25
13 3B7-60016-1 GASKET 10.1-15-1
14 3C7-60017-0 NIPPLE 6-1/8
15 3FW-64020-0 BEVEL GEAR B
16 353-64016-0 SHIM 52-60.5-0.1
17 3B7-64027-0 NUT M16-P1.5
18 3C7-64303-3 DRIVE SHAFT (UL)
19 3C7-60213-0 TAPERED ROLLER BEARING 0506
20 3C7-60214-0 BALL BEARING 16007
21 3C7-64327-1 DRIVE SHAFT SPRING
22 3C7-64328-0 DRIVE SHAFT SPRING GUIDE
23 3C7-60210-0 WAVE WASHER d=47.2
24 3C7-65021-1 WATER PUMP IMPELLER
25 3B7-65022-1 KEY 28-5.7-4
26 3C7-65016-0 PUMP CASE SUB-ASSY (UPPER)
27 3C7-65011-0 PUMP CASE LINER
28 3C7-65014-0 WATER PIPE SEAL (LOWER)
29 3C7-65017-2 PUMP CASE (LOWER)
30 3C7-60223-1 OIL SEAL 22-42-7
31 346-64084-0 SHIM 35-41.9-0.5
32 3B7-65015-0 O-RING 3.1-54.4
33 334-65012-0 DOWEL PIN 4-10
34 3C7-65018-0 PUMP CASE GASKET
35 3C7-65025-0 WATER PUMP GUIDE PLATE
36 3C7-65029-0 GUIDE PLATE GASKET
37 9161E3-0885 BOLT
38 940103-0800 WASHER
39 3B7-66011-1 CLUTCH CAM
40 3B7-66014-1 CAM ROD (UL)
41 951403-3510 SPRING PIN 3.5-10
42 3B7-66031-1 CAM ROD BUSHING
43 345-66021-0 O-RING 1.9-6.8
44 3B7-66023-0 O-RING 3.5-27.7
45 353-66241-1 SHIFT ROD JOINT
46 951403-3516 SPRING PIN 3.5-16
47 353-66024-0 STOPPER
48 9101E3-5612 BOLT
49 3T1-60001-1 BOLT 8-35
50 9402E3-0800 WASHER
51 3B7-60001-5 BOLT 10-40
52 9402E3-1000 WASHER
53 98AL-40-920 HOSE
54 3C7-60018-0 NIPPLE 6-6
55 3T5-84398-0 BAND 104
56 3C7-65120-0 WATER PIPE (UL)
57 3C7-65206-0 WATER PIPE SEAL (UPPER)
58 345-65205-0 COLLAR 18-20-4.5
59 3C7-65204-0 WATER PIPE AUXILIARY MOUNT
60 3C7-60205-1 WATER STRAINER SET
61 921503-0445 * SCREW
62 930403-0400 * NYLON NUT 4-P0.7
Fig.16 GEAR CASE (PROPELLER SHAFT) (29 parts) Fig.16 GEAR CASE (PROPELLER SHAFT)
Ref OEM Part # Part Name
1 3C7-60215-0 TAPERED ROLLER BEARING 30209
2 3B7Q87323-1 PROPELLER SHAFT HOUSING ASSY
3 3B7Q60101-1 * PROPELLER SHAFT HOUSING
4 3B7-60103-0 * O-RING 3.1-94.4
5 3B7-60211-0 * ROLLER BEARING 30-40-30
6 3B7-60111-0 * OIL SEAL 30-50-12
7 9601-0-6208 * BALL BEARING 6208
8 3C7-60108-2 PRE-COATED BOLT 8-30
9 9402E3-0800 WASHER
10 3FW-64010-0 BEVEL GEAR ASSY (A)
11 3B7-64011-0 * ROLLER BEARING 25-32-26
12 3Y7-64093-0 BEVEL GEAR C
13 3B7-64016-0 SHIM 47-57-0.1
14 3B7-64035-0 WASHER t=2.8
15 3B7-64037-0 SHIM 42-50-0.1
16 3B7-64211-0 PROPELLER SHAFT
17 3T1-64215-2 CLUTCH
18 3B7-64218-0 PIN
19 3B7-64219-1 SNAP
20 3T1-64222-0 SPRING RETAINER L=30.5
21 346-64221-0 SPRING
22 3T1-64223-0 PUSH ROD
23 3T1-64224-0 BALL
24 353-64121-0 PROPELLER NUT M16P1.5
25 345-64124-0 WASHER 17-32-3
26 951503-0325 SPLIT PIN 3-25
27 3HKB64545-0 PROPELLER ASSY (21")
28 3HK-64238-0 * PROPELLER HUB KIT
29 3HK-64235-0 ** FORWARD THRUST WASHER
Fig.17 BRACKET (83 parts) Fig.17 BRACKET
Ref OEM Part # Part Name
1 3E0Q62313-3 SWIVEL BRACKET ASSY
4 3B7-77085-1 BOLT 12-20 P1.75
6 3E0Q62112-0 CLAMP BRACKET (R)
7 3E0Q62113-1 CLAMP BRACKET (L)
8 9102E3-1020 BOLT
9 9402E3-1000 WASHER
10 3T1-72574-0 TRIM SENSOR L=1700
11 9101E3-0620 BOLT
12 3R0-66308-0 WASHER 6-16-1.5
13 3PR-06972-0 CLAMP 6.5-47.5P
14 9101E3-5612 BOLT
15 345-06915-0 CLAMP 6.5-14L
16 9215E3-5612 SCREW
17 3E0-62191-1 SWIVEL BRACKET SHAFT ASSY
18 344-67177-1 GREASE FITTING
19 940103-0600 WASHER
20 3E0-62126-0 BUSHING 25.6-28.6-40
21 346-62124-1 NYLON NUT 7/8-14
22 3FW-62116-0 WASHER 25.7-50-1
23 3E0-62121-1 THRUST ROD
24 3B7-62129-1 PIN
25 3C7-60218-2 ANODE
26 910103-5630 BOLT
27 3Y9-62431-1 TILT STOPPER ASSY
28 951403-3516 * SPRING PIN 3.5-16
29 3T1-61315-0 * WASHER 10.5-18-2
30 3Y9-62433-0 * TILT STOPPER GRIP
31 3E0-62473-1 TILT STOPPER SPRING
32 353-63207-0 COLLAR 10.2-12-12
33 3FWQ62010-1 STEERING SHAFT ASSY
34 3FW-83830-0 STEERING HOOK PLATE
35 910103-1030 BOLT
36 3B7-62414-0 SEAL RING
37 3B7-62417-0 BUSHING 32-40-45
38 3FW-62423-0 THRUST PLATE (UPPER) 32.9-56-2
39 3B7-62415-0 O-RING 4.5-32
40 945103-3200 C-RING d=32
41 3B7-61301-0 RUBBER MOUNT (UPPER)
42 3B7-61307-2 BOLT 7/16-115
44 3B7-61335-0 WASHER 11.5-32-3
45 3B7-61341-1 MOUNT HOLDING PLATE (UPPER)
46 9101E3-5835 BOLT
47 3B7-61339-0 DAMPER (UPPER)
48 9101E3-0625 BOLT
49 3C8-66308-0 WASHER 6-16-1.5
50 3C7Q61411-2 MOUNT BRACKET
51 353-61302-2 RUBBER MOUNT (LOWER)
52 353-61321-3 BOLT M12-151
53 9402E3-1200 WASHER
55 3C7-61338-0 DAMPER 21-36-5
56 3B7-61324-0 NUT 12-P1.5
57 353-61315-1 WASHER 12.2-25-2
58 3B7Q61342-0 MOUNT HOLDING PLATE (LOWER)
59 3N4-61343-0 BOLT 8-25
60 3C7-61336-0 DAMPER (LOWER)
61 3C8-62396-1 GROUND L=210
62 3A3-62396-1 GROUND L=110
63 398-62396-1 GROUND L=130
64 910103-5612 BOLT
65 3FW-84905-0 DRAG LINK ASSY
66 3FW-84914-0 * SPACER 9.6-19-26.5
67 3E0-84917-0 * BOLT 3/8-50
68 353-84918-0 * NYLON NUT 3/8-24UNF
69 353-84916-0 * WASHER 9.6-18-2
70 3F3-84908-0 * SEAL RING
71 3C8-77071-1 CYLINDER PIN (UPPER)
72 345-05122-1 WASHER 6.5-23-1.5
73 9101E3-0612 BOLT
74 3C8-77075-0 BUSHING 18-24-19
75 3E0-77076-0 BUSHING 18-20-20.5
76 369-60218-1 ANODE
77 910103-5616 BOLT
78 3E0-77101-2 CYLINDER PIN (LOWER)
79 346-62412-1 WASHER 22.6-30-2
80 945103-2200 C-RING d=22
81 3E0-77103-0 BUSHING 22-25.4-23.5
82 3T5-84398-0 BAND 104
83 3T9-77150-1 PTT ASSY
84 3C8-72120-0 RIGGING BOLT SET
85 3C7-62133-2 BOLT 12-105 P1.25
86 353-61334-0 WASHER 13-34-3
87 940103-1200 WASHER
88 3C7-62139-1 NUT 12-P1.25
Fig.18 POWER TRIM & TILT (45 parts) Fig.18 POWER TRIM & TILT
Ref OEM Part # Part Name
1 3T9-77180-0 MOTOR ASSY
2 3T9-77195-0 * YOKE ASSY
3 3E0-77190-0 * ARMATURE ASSY
4 353-77182-1 * O-RING
5 3E0-77192-0 * MOTOR BRACKET ASSY
6 3E0-77183-0 ** BRUSH
7 353-77191-0 ** BREAKER
8 3E0-77184-0 ** BRUSH SPRING
9 3E0-77199-1 BOLT
10 3E0-77430-1 PUMP
11 3E0-77434-0 * FILTER
12 3E0-77163-0 COUPLING
13 3B7-77167-0 O-RING 1.8-69.6
14 3E0-77176-1 MANUAL VALVE
15 3B7-77411-0 * O-RING
16 3E0-77407-0 * O-RING
17 3E0-77408-0 * BACK-UP RING
18 9450E3-1800 C-RING d=18
19 3E0-77365-1 PISTON ROD ASSY
20 3E0-77383-0 * O-RING
22 3B7-77377-1 FREE PISTON
23 3B7-77375-0 O-RING
24 3B7-77376-0 BACK-UP RING
25 3E0-77388-0 TRIM PISTON ASSY
26 3B7-77392-0 * O-RING
27 3B7-77393-0 * BACK-UP RING
28 3E0-77395-0 ROD GUIDE SUB-ASSY
29 3E0-77398-0 * O-RING
30 3E0-77472-1 PLUG
31 3B7-77179-0 O-RING
32 3E0-77475-0 FILTER
33 3E0-77479-0 ORIFICE
34 3E0-77165-0 RESERVE TANK
35 3E0-77168-0 CAP
36 3E0-77169-0 O-RING
37 3E0-77159-1 BOLT
38 3E0-77431-1 BOLT
39 3E0-77432-1 BOLT
40 3E0-77167-0 O-RING
41 3E0-77557-0 ORIFICE
42 3E0-77558-0 BALL
43 3E0-77559-0 PIN
44 3B7-77169-0 O-RING
45 3E0-77453-0 VALVE SEAT
46 3E0-77456-0 FILTER
Fig.19 BOTTOM COWL (45 parts) Fig.19 BOTTOM COWL
Ref OEM Part # Part Name
1 3T1Q67100-2 BOTTOM COWL
2 345-67113-0 MOUNT 12-18-2.5
3 3C7-67114-1 SPACER 8.4-12-17
4 9101E3-0835 BOLT
5 3B7-63730-0 WASHER 8.5-24-1.5
6 3KVQ76118-0 CLAMP
7 910103-5625 BOLT
8 3C7-67164-0 GROMMET
9 3C7-77156-0 GROMMET 20-6
10 345-66226-0 GROMMET 17-3
11 3T1-76116-1 GROMMET
12 3T1-67161-0 GROMMET
13 3R0-02426-1 CLAMP 60
14 398-06972-0 CLAMP 6.5-67P
15 910103-5612 BOLT
16 3C7-72577-0 CLAMP
17 910103-5616 BOLT
18 3AC-72615-0 PTT SWITCH ASSY
19 3F3-72616-1 GASKET
20 3T1-72617-0 PTT SWITCH ASSY BRACKET
21 3FW-72410-1 FLUSHING HOSE
22 3T1-07737-1 CLIP φ17.8
23 3T1-72403-0 FLUSHING CONNECTOR
25 3R0-07422-0 O-RING 3.1-24.4
26 3T1-72404-0 FLUSHING CONNECTOR CAP
27 3T1-67680-0 HOOK LEVER ASSY (LEFT)
28 3T1-67681-0 HOOK LEVER ASSY (RIGHT)
29 3T1-63731-0 WASHER 18.5-30-1
30 3T1-62435-0 O-RING φ3.5-18
31 3T1-63109-0 WAVE WASHER 18.7-26-0.3
32 3C8-77075-0 BUSHING 18-24-19
33 3T1-67142-0 COVER HOOK
34 3T1-67146-0 WASHER 5.3-20-2
35 910203-0520 BOLT
36 3R3Q67141-0 HOOK LEVER
37 3R3-67142-0 COVER HOOK
38 338-67147-0 SEAL RING 13.8-22-3.7
39 332-67105-1 HOOK LEVER BUSHING 14-16-1.8
40 941403-1400 WAVE WASHER d=14
41 3R0-66308-0 WASHER 6-16-1.5
42 3FW-83734-0 CABLE CLIP
43 3FW-83735-0 CABLE CLIP
44 3T1-01138-0 NIPPLE 6-8-11
45 98AB-50-180 HOSE
46 3C7-72030-0 INTERFERENCE DECAL
Fig.20 SHIFT (21 parts) Fig.20 SHIFT
Ref OEM Part # Part Name
1 3Y9-66225-0 SHIFT ROD LEVER
2 930403-1000 NYLON NUT 10-P1.5
3 3T9-66225-0 SHIFT LEVER SHAFT
4 353-66145-1 HOLDER
5 3T1-60108-0 PRE-COATED BOLT 8-25
6 332-61315-0 WASHER 10.5-18-1.5
7 353-83728-1 PIN
8 930103-0600 NUT
9 3B7-66122-2 SHIFT ARM
10 910103-5835 BOLT
11 3B7-63713-0 BUSHING 12-14-15.5
12 3B7-63732-1 COLLAR 8.4-12-17
13 3B7-63730-0 WASHER 8.5-24-1.5
14 3B7-63731-0 WASHER 12.5-24-1
15 3T9-66215-0 SHIFT ROD (L)
16 951603-0600 SNAP PIN d=6
17 3AL-83719-0 WASHER 7-18-1.6
18 951403-3516 SPRING PIN 3.5-16
19 3FW-66148-0 LINK ROD ASSY (SHIFT)
20 951603-0800 SNAP PIN d=8
21 3AA-83719-0 WASHER 8.5-18-1.6
Fig.21 TOP COWL (27 parts) Fig.21 TOP COWL
Ref OEM Part # Part Name
1 3T1-72043-0 OIL CAUTION DECAL
2 3FWQ67645-5 TOP COWL ASSY
3 3FWQ67640-0 * TOP COWL SUB-ASSY
4 3FW-67602-0 ** SOUND ISOLATION (LEFT)
5 3FW-67603-0 ** SOUND ISOLATION (RIGHT)
6 3FW-67604-0 ** SOUND ISOLATION (TOP)
7 3FW-67513-0 ** COVER STAY (REAR)
8 3FW-67516-0 ** PLATE
9 3R0-67517-0 ** ROLLER 6.1-14.7-14
10 940103-0600 ** WASHER
11 945303-0500 ** E-RING d=5
12 3FW-67501-0 ** TOP COWL SEAL
13 3T1Q67521-0 ** TILT HANDLE
14 3C8-66308-0 ** WASHER 6-16-1.5
15 930403-0600 ** NYLON NUT 6-P1.0
16 3T1-67660-0 ** COWL HANDLE
17 3T5-06437-0 ** TAPPING SCREW 6-16
18 345-05122-1 ** WASHER 6.5-23-1.5
19 3T1-67213-0 ** SEAL
20 3T1Q67209-1 ** FILLER LID ASSY
21 3FW-67211-0 ** FILLER LID HINGE
22 3T1-67212-0 ** SPRING
23 910103-0616 ** BOLT
24 3KY-67531-0 * FRONT DECAL
26 3FY-87802-2 * DECAL SET (MD75C2)
27 3C7-72180-3 CAUTION DECAL (A)
28 3AC-72185-0 CAUTION DECAL
Fig.22 COMPONENT PARTS OF REMOTE CONTROL (53 parts) Fig.22 COMPONENT PARTS OF REMOTE CONTROL
Ref OEM Part # Part Name
1 3U2B84500-0 REMOTE CONTROL HEAD ASSY(RC12F)
2 3A3-84365-1 * THROTTLE ARM
3 3A3-84428-0 * THROTTLE FRICTION ARM
4 945303-0600 * E-RING d=6
5 353-84394-0 * WASHER
6 3U2-84427-0 * ADJUSTING SCREW
7 3A3-84381-0 * SHIFT GEAR ASSY
8 3A3-83314-2 * CABLE TERMINAL
9 3A3-84364-2 * DRIVE GEAR
10 930103-0500 * NUT
11 910103-0525 * BOLT
12 3A3-84376-0 * GROMMET
13 3U2B84441-0 * REAR HOUSING
14 3U2B84366-0 * REAR PANEL
15 3U2-84401-0 * NEUTRAL LOCK ARM
16 3A3-84403-0 * NEUTRAL LOCK SPRING
17 3U2-84404-0 * GRIP
18 3U2-84343-0 * CONTROL LEVER
19 3A3-84368-0 * WAVE WASHER
20 3A3-84391-0 * FREE THROTTLE DRUM
21 3A3-84435-0 * BUSHING
22 3A3-84422-0 * THRUST PLATE
23 921603-0512 * SCREW
24 3VK-84339-0 * INSTRUCTION DECAL
25 3A3-84432-0 * BUSHING
26 3U2-84375-0 * SCREW
27 3VK-84375-0 * SCREW
28 3VL-84375-0 * SCREW
29 3A3-84374-0 * SPACER
30 353-84371-0 * WASHER
31 3U2-84371-0 * WASHER
32 930103-0600 * NUT
33 3A3-84383-0 * WASHER
34 3A3-84421-0 * ROLLER
35 3U2-84431-0 * BUSHING
36 940103-0800 * WASHER
37 3U2-84442-0 * BOLT
38 353-84388-0 * DETENT ROLLER
39 3U2B84312-0 * FREE THROTTLE LEVER
40 921503-0406 * SCREW
41 3A3-84423-0 * DETENT RETAINER
42 3A3-84307-0 * DETENT SPRING
43 3A3-84424-0 * FREE THROTTLE ROLLER
44 3A3-84426-0 * ROLLER RETAINER
45 3A3-84425-0 * FREE THROTTLE SPRING
46 3U2-63107-0 * COVER
47 3U2-63506-0 * HOLDER
48 3U2-84917-0 * BOLT
49 3U2-77367-0 * JOINT
50 3U2-72187-0 * CAUTION DECAL(SIGP)
51 3U2B84440-0 * FRONT HOUSING
52 3U2-06973-0 * CLAMP
53 3A3-81301-0 TWIN REMOTE CONTROL KIT
Fig.23 COMPONENT PARTS OF REMOTE CONTROL (ELECTRIC PARTS) (17 parts) Fig.23 COMPONENT PARTS OF REMOTE CONTROL (ELECTRIC PARTS)
Ref OEM Part # Part Name
1 3T5-76114-0 EXTENSION CORD L=2000 (11P)
2 3GF-76219-0 * MAIN SWITCH KEY
3 3GF-76205-0 MAIN SWITCH KEY COVERING CAP
4 3T5-76115-1 CORD ASSY L=6200
5 353-72546-0 ASSIST CORD (RED) L=200
6 3U2-84331-0 DECAL (LEVER)
7 3U2-84336-0 SHIFT POSITION DECAL
8 3A3-84398-0 BAND
9 3U2-84398-0 BAND
10 3T5-76086-0 NEUTRAL SWITCH (REMOTE CONT)
11 921503-5316 SCREW
12 3C8-76171-0 OVERHEAT BUZZER
13 3A3-06830-0 STOP SWITCH ASSY
14 353-06821-0 * STOP SWITCH LANYARD ASSY
15 3U2-72200-0 STOP SWITCH DECAL
16 3U2-84334-0 REMOTE CONTROL LOGO DECAL
17 3U2-72615-0 PTT SWITCH ASSY
Fig.24 ACCESSORIES (12 parts) Fig.24 ACCESSORIES
Ref OEM Part # Part Name
1 3T1-70200-1 PRIMER BULB ASSY
2 3C7-70220-1 * JOINT ASSY (INLET)
3 3C7-70224-1 * JOINT ASSY (OUTLET)
4 3GF-70211-1 * PRIMER BULB
5 3C7-70217-0 * CLAMP
6 98AB-70-700 * HOSE
7 98AB-701600 * HOSE
8 332-70201-0 * CLAMP
9 3H6-72100-0 TOOL KIT
10 3T5-72050-0 BUZZER CAUTION DECAL
11 3T1-72405-0 HOSE JOINT (WATER-WORKS)
12 3B7-72043-0 OIL CAUTION DECAL
Fig.24 AOPTIONAL PARTS (1) (7 parts) Fig.24 AOPTIONAL PARTS (1)
Ref OEM Part # Part Name
1 3GL-72647-1 TACHOMETER
2 3GL-72598-0 WATER PRESSURE METER KIT
3 3GL-72529-0 VOLTMETER ASSY
4 3GL-72571-0 TRIM METER KIT
5 3GL-72596-0 FUEL METER ASSY
6 3GL-72524-0 HOUR METER ASSY
7 3GL-72672-0 SPEEDOMETER KIT (60MPH)
Fig.25 OPTIONAL PARTS (2) (28 parts) Fig.25 OPTIONAL PARTS (2)
Ref OEM Part # Part Name
9 3Z5-72640-1 TACHOMETER W/OIL LAMP
10 3B7-72658-0 * OIL BULB 12V-1.7W
11 3B7-72659-0 * METER BULB 12V-1.7W
12 3B7-72656-0 * METER DAMPER
13 3B7-72661-0 * FITTING PLATE
14 930203-0500 * NUT
15 941303-0500 * SPRING WASHER
16 3E0-72529-0 VOLTMETER ASSY
19 3B7-72662-0 * FITTING PLATE
22 3E0-72524-0 HOUR METER ASSY
23 3B7-72657-0 * METER BULB 12V-1.7W
25 3B7-72664-0 * FITTING PLATE
28 3T1-72571-0 TRIM METER ASSY
29 3T1-72659-0 * METER BULB 12V-1.7W
30 3T1-72653-0 * METER BULB CAP
31 3B7-72655-0 * METER DAMPER
32 3T1-72665-0 * FITTING PLATE
33 941303-0400 * SPRING WASHER
34 930203-0400 * NUT
35 3Z4-72573-0 EXTENSION CORD (TRIM SENSOR) L=2000
36 3T5-76112-0 EXTENSION CORD L=2000 (2P)
50 353-72521-1 METER LAMP SWITCH
51 353-72548-0 ASSIST CORD (BLK) L=200
52 3T5-72537-1 METER LEAD WIRE L=8000
53 3GF-10230-0 ALTITUDE ADJUSTMENT KIT
54 3B7-60007-0 FLUSHING PLUG
55 3B7-64231-2 THRUST HOLDER
56 3B7-64233-1 STOPPER
Fig.26 OPTIONAL PARTS (3) (14 parts) Fig.26 OPTIONAL PARTS (3)
Ref OEM Part # Part Name
1 3U3-84490-0 CONTROL HEAD ASSY (TOP-SINGLE)
2 3U3-84540-0 CONTROL HEAD ASSY (TOP-TWIN)
3 3U3-84600-0 CONT HEAD ASSY (FLUSH MOUNT)
4 3U3-84620-0 CONT HEAD ASSY(CENTER CONSOLE)
5 3U3-84541-0 BEZEL COVER KIT
6 3U6-84541-0 BEZEL COVER KIT
7 3U3-84373-0 SPACER SET
8 3U6-84373-0 SPACER SET
9 3U3-84313-0 FREE THROTTLE BUTTON
10 3U8-84541-0 BEZEL COVER KIT
11 3U8-84313-0 FREE THROTTLE BUTTON
12 3U3-83710-0 CABLE JOINT ASSY
13 3U3-72560-0 PTT SWITCH ASSY
14 3U3-76086-0 NEUTRAL SWITCH (REMOTE CONT)
Fig.26A OPTIONAL PARTS (4) (11 parts) Fig.26A OPTIONAL PARTS (4)
Ref OEM Part # Part Name
1 3KY-72637-0 TOCS STARTER KIT
2 3KY-76131-0 * ENGINE DROP CABLE L=6m
3 3KY-76120-0 * BATTERY CABLE
5 3KY-76153-0 * TERMINATOR (MALE)
6 3KY-76152-0 * TERMINATOR (FEMALE)
7 3KY-76151-0 * TEE CONNECTOR
8 3KY-72672-0 SPEEDOMETER KIT (60MPH)
9 3KY-72600-0 FUEL METER KIT
11 3KY-72573-0 EXTENSION CORD (TRIM SENSOR) L=6000
12 3KY-76132-0 BACKBONE CABLE L=5m
13 3KY-72638-0 TACHOMETER KIT
Fig.27 RIGGING KIT (9 parts) Fig.27 RIGGING KIT
Ref OEM Part # Part Name
1 3T5-71040-0 PILOT LAMP ASSY
2 3GLQ84550-3 PRE-RIGGING KIT
3 3U2B84500-0 * REMOTE CONTROL HEAD ASSY(RC12F)
7 3GM-84550-2 PRE-RIGGING KIT
8 3GF-84560-1 * RIGGING CORD KIT
10 3T5-72537-1 * METER LEAD WIRE L=8000
11 3T1-72573-0 * EXTENSION CORD (TRIM SENSOR) L=6000
12 353-72548-0 * ASSIST CORD (BLK) L=200
13 3Y9-76049-0 LEAD WIRE L=200
Fig.28 ASSEMBLY・KIT PARTS (7 parts) Fig.28 ASSEMBLY・KIT PARTS
Ref OEM Part # Part Name
1 3FWQ87304-4 LOWER UNIT ASSY (UL)
2 3FWB87090-4 ENGINE SHORT BLOCK KIT
3 3T9-02242-0 * AIR CHAMBER GASKET
4 3T9-87321-2 LOWER UNIT GASKET SET
5 940103-0800 * WASHER
6 3C7-65239-1 * WATER PUMP GUIDE PLATE
7 98AL-40-920 * HOSE

100-Hour / Annual Service Checklist

Regular maintenance keeps your Tohatsu MD75/90C2 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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