Tohatsu MFS75/90/100/115/140A (2025) Parts & Diagrams

OEM and aftermarket replacement parts for Tohatsu MFS75/90/100/115/140A. Scroll down for exploded parts diagrams (26), specifications, and maintenance reference.

Tohatsu MFS75/90/100/115/140A (2025) Parts & Diagrams

🔎 Tohatsu MFS75/90/100/115/140A Reference Library — Exploded parts diagrams (26 diagrams), specifications, common issues, and maintenance checklist.

The Tohatsu MFS75/90/100/115/140A is a 4-Stroke EFI Inline 4-Cylinder outboard motor. Suited for bay boats, pontoons, and center-console fishing boats requiring reliable mid-range power.

Quick Reference Specifications

Specification Value
Engine Type 4-Stroke EFI Inline 4-Cylinder
Horsepower 75 HP
Displacement 1,995 cc
Bore x Stroke 84.0 x 90.0 mm
Spark Plug (Type & Gap) NGK LKR6E
Engine Oil Capacity 4.2 L (with filter)
Recommended Engine Oil SAE 10W-30
Gear Case Oil Capacity 0.98 L
Idle Speed (in gear) 700 RPM
Full Throttle RPM Range 5000-6000 RPM
Fuel Unleaded Gasoline, 86 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 MFS75/90/100/115/140A:

  • 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 Tohatsu MFS75/90/100/115/140A.

Fig.01 CYLINDER・CRANK CASE (33 parts) Fig.01 CYLINDER・CRANK CASE
Ref OEM Part # Part Name
1 3SSB01100-2 CYL BLOCK & CRANKCASE ASSY
2 345-01111-0 * DOWEL PIN 6-12
3 3AB-01111-0 * DOWEL PIN 6-12
4 3SS-01113-0 * BOLT M10-105-P1.25
5 940103-1000 * WASHER
6 3SS-01114-0 * BOLT M8-55-P1.25
7 3KM-01142-0 ANODE PLUG ASSY
8 3P0-01143-0 * ANODE PLUG
9 3T5-10046-0 * O-RING 1.9-13
10 3P0-60218-0 * ANODE
11 921503-0530 * SCREW
12 3SS-07637-0 OIL FILTER BRACKET
13 3H8-07636-0 OIL FILTER BOLT
14 3SS-07632-0 O-RING
15 910103-5620 BOLT
16 3BJ-07615-0 OIL FILTER
17 3SS-01030-0 THERMOSTAT
18 3SS-01031-0 THERMOSTAT CAP
19 910103-5625 BOLT
20 3SS-65210-0 COOLING HOSE 21-28 440-87
21 3SS-35143-0 CLIP
22 3SS-07620-0 PLUNGER ASSY
23 3SS-07631-0 * O-RING 2.4-18.8
24 3SSB01290-0 CRANKCASE HEAD ASSY
25 151-00053-0 * O-RING 2-66.5
26 3SS-01215-0 * OIL SEAL 22-32-7
27 3SS-01214-0 CRANKCASE HEAD GASKET
28 3B2-61018-0 BOLT 35mm
29 9401E3-0600 WASHER
30 3SS-00115-0 THRUST PLATE
31 3C7-01513-2 HANGER
32 910114-0820 BOLT
33 941322-0800 SPRING WASHER
Fig.02 PISTON・CRANK SHAFT (13 parts) Fig.02 PISTON・CRANK SHAFT
Ref OEM Part # Part Name
1 3SS-00030-0 CRANKSHAFT ASSY
2 3SS-07752-0 PLAIN SHAFT BEARING
3 3UG-07752-0 PLAIN SHAFT BEARING
4 3SS-00121-0 OIL SEAL 52-75-9
5 3UG-00121-0 OIL SEAL 52-75-9
6 3SS-00040-0 CONNECTING ROD ASSY
7 3SS-00084-0 BIG END BEARING
8 3SS-00001-0 PISTON(STD)
9 3SS-00011-1 PISTON RING
10 3SS-00012-1 PISTON RING
11 3SS-00013-0 PISTON RING-OIL
12 3SS-00021-0 PISTON PIN
13 3SS-00024-0 PISTON PIN CLIP
Fig.03 CYLINDERHEAD・OIL PUMP (55 parts) Fig.03 CYLINDERHEAD・OIL PUMP
Ref OEM Part # Part Name
1 3ZG-01000-0 CYLINDER HEAD COMPLETE
2 3SS-01001-0 * CYLINDER HEAD ASSY
8 3ZG-07810-0 * CAMSHAFT ASSY
9 3KY-07950-0 * THRUST BOLT
10 3SS-07825-0 * OIL SEAL 30-47-8
11 3WA-07935-0 * ROCKER ARM
12 3UG-07935-0 * ROCKER ARM
13 3R0-07238-0 * ADJUSTING SCREW
14 3H8-07237-0 * ADJUSTING NUT
15 3SS-07920-0 * ROCKER ARM SHAFT
16 3SS-07922-0 * ROCKER SHAFT BOLT
17 3SS-07925-0 * ROCKER SHAFT SPRING
18 3SS-07927-0 * WASHER 18.2-24-0.5
19 3KY-07901-0 * INTAKE VALVE φ32
20 3KY-07902-0 * EXHAUST VALVE φ28
21 3KY-07903-0 * VALVE SPRING
22 3KY-07921-0 * RETAINER
23 3KY-07923-0 * COTTER
24 3KY-07905-0 * VALVE SPRING SEAT
25 3R3-07204-0 * INTAKE VALVE STEM SEAL
26 3R3-07206-0 * EXHAUST VALVE STEM SEAL
27 3SS-07600-0 * OIL PUMP ASSY
28 3SS-07639-0 * O-RING 2.4-37.2
29 3SS-07635-0 * O-RING 2.4-21.8
30 910103-5635 * BOLT
31 3SS-01005-0 CYLINDER HEAD GASKET
32 3SS-01013-0 CYLINDER HEAD BOLT M10-114
33 3SS-01015-0 WASHER 10.5-20-2
36 3SSB01022-0 CYLINDER HEAD COVER SUB-ASSY
37 3SS-07731-0 BREATHER CHAMBER COVER
38 3SS-07732-0 BREATHER CHAMBER COVER GASKET
39 921503-0406 SCREW
40 3R0-71015-1 OIL FILLER CAP
41 3R0-07422-0 O-RING 3.1-24.4
42 3SS-01024-0 CYLINDER HEAD COVER GASKET
43 910103-5625 BOLT
44 9701-1-1130 SPARK PLUG (LKR6E)
45 3SS-07735-0 BREATHER HOSE 50-575-125
46 3T5-84398-0 BAND 104
48 3SS-02327-0 EXHAUST MANIFOLD ASSY
49 3UG-02327-0 EXHAUST MANIFOLD ASSY
51 3KM-01142-0 * ANODE PLUG ASSY
52 3P0-01143-0 ** ANODE PLUG
53 3T5-10046-0 ** O-RING 1.9-13
54 3P0-60218-0 ** ANODE
55 921503-0530 ** SCREW
57 3KM-01012-0 CYLINDER HEAD BOLT
59 3SS-02335-0 EXHAUST MANIFOLD GASKET
60 3UG-02335-0 EXHAUST MANIFOLD GASKET
61 345-01111-0 DOWEL PIN 6-12
62 3SS-10311-0 O-RING 3.1-74.4
63 3UG-10311-0 O-RING 3.1-49.4
64 940103-0800 WASHER
65 3VS-72510-0 ENGINE TEMP SENSOR
66 3SS-84398-0 BAND φ9-φ45
Fig.04 PULLEY・TIMING BELT (13 parts) Fig.04 PULLEY・TIMING BELT
Ref OEM Part # Part Name
1 3SS-10060-0 DRIVE PULLEY
2 309-00131-0 KEY 10-3.7-3
3 3SS-10063-0 BELT GUIDE
4 3SS-10068-0 NUT M45-P1.5
5 3SS-10065-0 DRIVEN PULLEY W/ANGLE PLATE
8 3SS-02319-0 BOLT M12-40-P1.25
9 3SS-01116-0 WASHER 13-26-3.2
10 3SS-10045-0 TIMING BELT
11 3SS-10070-0 TIMING BELT TENSIONER
12 345-01111-0 DOWEL PIN 6-12
13 3SS-07817-0 CAM ANGLE SENSOR
15 3SS-07819-0 CAM ANGLE SENSOR BRACKET
16 910103-5620 BOLT
Fig.05 INTAKE MANIFOLD・FUEL SYSTEM (87 parts) Fig.05 INTAKE MANIFOLD・FUEL SYSTEM
Ref OEM Part # Part Name
1 3SS-02091-0 INTAKE MANIFOLD
2 3SS-10211-0 ISC VALVE
3 921503-0414 SCREW
4 3RS-10214-0 MAP SENSOR
5 921503-0516 SCREW
6 940103-0500 WASHER
7 3SSB10201-0 FUEL RAIL
8 3T5-10099-0 CAP
9 3T5-10098-1 VALVE ASSY (PRESSURE CHECK)
10 3SS-10300-0 FUEL INJECTOR ASSY
11 3RS-10323-0 SEAL RING
12 910103-5635 BOLT
13 3BA-63207-0 COLLAR 6.5-12.5-7.5
14 3SS-10100-0 THROTTLE BODY ASSY
15 3SS-10104-0 GASKET
16 910103-5825 BOLT
17 3SS-10150-1 VAPOR SEPARATOR ASSY
18 98AB-50-220 HOSE
19 3GT-35143-0 CLIP φ9.4
20 3SS-03813-0 PLUG
21 3T1-06917-0 CLAMP φ10
22 98AL-40-920 HOSE
23 3BJ-02215-0 CLIP φ7.8
24 3KY-06920-0 RUBBER MOUNT
25 940103-0800 WASHER
26 3KY-01080-1 PIN φ8-22
27 3KY-10155-0 BUSHING
28 3SS-06162-0 SPACER
30 3UG-65212-0 WATER HOSE L=650 5-7
31 3SS-65212-0 WATER HOSE L=160 33-7
34 181-33182-1 CLIP φ12.5
35 345-70114-1 CLIP φ11.3
36 3ACB10143-0 HIGH PRESSURE FUEL FILTER
37 3AC-10145-0 FUEL FILTER RUBBER MOUNT
38 3SS-02239-0 PLATE
39 910103-5616 BOLT
40 3SS-02209-0 LOW PERMEATION HOSE L=50 6.5-14.5
41 3AC-02209-0 LOW PERMEATION HOSE L=140
42 3AC-10087-0 CLAMP φ16.8
43 3T5-10086-0 CLAMP 21/32
44 3SS-04085-0 FUEL HOSE W/PROTECTOR
46 3SS-84398-0 BAND φ9-φ45
47 3SS-02135-0 LOW PERMEATION HOSE L=220 5-10
48 3SS-03952-0 INSULATOR
49 3SS-02012-0 O-RING φ1.9
50 910103-5835 BOLT
51 910103-5845 BOLT
52 3B2-01111-0 DOWEL PIN 6-16
53 3SS-02503-0 HOLDER
54 3SS-10046-0 O-RING
56 3SS-02409-0 INTAKE SILENCER ASSY
57 3UJ-03536-0 RESTRICTOR
58 3NT-02095-0 BOLT 35mm
59 940103-0600 WASHER
60 3SS-04000-0 FUEL PUMP ASSY
61 3SS-03818-0 O-RING 3.5-31.2
62 910103-5625 BOLT
63 3SS-02211-0 FUEL HOSE L=250 5.5-7.5
65 338-02215-0 CLIP φ10
66 3AC-09056-1 CLIP φ13.5
67 3SS-02212-1 FUEL HOSE L=1100_5-7
68 3VS-70235-0 FUEL HOSE JOINT
69 3T1-03813-0 PLUG
71 3RS-02230-0 FUEL FILTER ASSY
72 3RS-02237-0 * CUP
73 3B7-02234-0 * FILTER
74 3B7-02236-0 * O-RING
75 3RS-02235-0 * O-RING
76 3RS-02253-0 * DRAIN VALVE
77 3RS-02229-0 * FLOAT
78 3RS-02258-0 * SEAL
79 3RS-02232-0 FUEL FILTER HOLDER
80 3RS-02239-0 PLATE
81 910103-5612 BOLT
82 3SS-04060-0 LOW PERMEATION HOSE L=250 5.5-7.5
83 3SS-04055-1 LOW PERMEATION HOSE L=1100 5-7
84 3KY-84398-0 BAND
85 3T1-01138-0 NIPPLE 6-8-11
86 3T5-84398-0 BAND 104
87 3SS-04302-0 * FUEL FEED PUMP
88 3SS-04322-0 * FILTER (INLET)
89 3SS-03116-0 * O-RING
90 3UG-03116-0 * O-RING
91 3SS-10095-0 * O-RING
92 3SS-03235-0 * O-RING
93 3SS-03239-0 * FLOAT VALVE ASSY
94 3SS-10180-0 * SEAL
Fig.06 MAGNETO (27 parts) Fig.06 MAGNETO
Ref OEM Part # Part Name
1 3SS-06191-0 FLYWHEEL W/RING GEAR
2 3SS-06123-0 ALTERNATOR ASSY
3 334-00131-0 KEY 19-7-5
4 3SS-00132-0 NUT 27-P1.5
5 3SS-00133-0 WASHER 27.5-50-5
6 910103-5630 BOLT
7 3SS-06301-0 RING GEAR COVER
8 3T1-67005-0 GROMMET 16-2.5
9 1E0-36056-0 HOOK
10 910103-0620 BOLT
11 3C8-66308-0 WASHER 6-16-1.5
12 3A0-76079-0 COLLAR 6.2-9-7.4
13 172-36008-0 GROMMET 13-2
14 3SS-06008-0 COIL BRACKET
15 3M3-02319-0 BOLT 30mm
16 940103-0600 WASHER
17 345-01111-0 DOWEL PIN 6-12
18 3SS-06071-0 PULSAR COIL
19 921503-0512 SCREW
20 3SS-06469-0 IGNITION COIL W/R-CAP
21 3SS-06999-0 * PLUG CAP W/RESISTANCE
22 910103-5620 BOLT
23 3SS-06025-0 HOLDER
24 910103-5616 BOLT
25 3UG-72181-0 CAUTION DECAL (B)
26 3SS-84398-0 BAND φ9-φ45
27 3SS-38136-1 MAINTENANCE LABEL
Fig.07 ELECTRIC PARTS (STARTER MOTOR) (17 parts) Fig.07 ELECTRIC PARTS (STARTER MOTOR)
Ref OEM Part # Part Name
1 3KY-76010-1 STARTER MOTOR ASSY
2 3KY-76014-0 * BRUSH HOLDER
3 3FW-76317-0 * PLANET GEAR
4 3FW-76015-0 * PINION ASSY
5 3FW-76314-0 * INTERNAL 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
10 910103-5830 BOLT
11 3KY-76009-0 STARTER MOTOR BAND
12 3FW-76007-0 DAMPER
13 910103-5616 BOLT
14 3FW-76120-0 BATTERY CABLE
15 3FW-76145-0 TERMINAL CAP 15.5-18.28
16 930103-0800 NUT
17 910103-5612 BOLT
Fig.08 ELECTRIC PARTS (52 parts) Fig.08 ELECTRIC PARTS
Ref OEM Part # Part Name
1 3SS-07611-0 OIL PRESSURE SWITCH
2 921503-6406 * SCREW
3 3F9-84398-0 BAND 205
4 3SS-76141-0 STARTER CABLE
5 3SS-06901-0 BRACKET
6 3KY-76064-0 FUSE HOLDER BRACKET
7 3V1-05913-0 TAPPING SCREW 5-12
8 3SS-62004-0 CORD HOLDER t=1.5mm
10 3C8-72580-0 PTT SOLENOID SWITCH (A)
13 3C8-72581-0 PTT SOLENOID SWITCH (B)
14 930103-0600 * NUT
15 941303-0600 * SPRING WASHER
16 3SS-06869-0 BRACKET t=2
17 3KY-72583-0 SOLENOID SWITCH CORD (B) L=150
18 3AA-76145-0 TERMINAL CAP 13-13-28
19 3Y1-76145-0 TERMINAL CAP 8-13-28
20 3A3-76145-0 TERMINAL CAP 8-13-28
21 3UG-76110-1 CORD ASSY
22 3T5-76249-0 * FUSE 30A
23 1E0-34093-0 * CAP (Y)
25 3UG-06973-0 * CLAMP
26 3KY-07612-0 * GROMMET
27 3KY-76037-0 * CABLE TERMINAL PLUG
28 3SS-06330-0 * RELAY
30 3SS-72020-0 PLUG CAP NUMBER DECAL
32 346-67113-0 MOUNT 8.5-14-2.5
33 3B7-06920-0 RUBBER MOUNT 8.5-14-2.5
33a 346-67115-0 WASHER 6.5-21-1
34 346-67114-1 SPACER 6.2-9-15.7
36 3ZV-06401-0 ECU ASSY (140)
37 3SS-06410-0 ECU HOLDER
38 3SS-06322-0 PLATE
39 921503-0612 SCREW
40 3UG-62004-0 CORD HOLDER
41 910103-5612 BOLT
42 3SS-06302-0 RUBBER MOUNT
43 910103-0630 BOLT
44 3SS-06902-0 COVER
45 3SS-06908-0 GROMMET
46 3SS-76110-0 CORD ASSY
46b 3SS-76154-0 TERMINATING RESISTOR
47 3SS-06437-0 TAPPING SCREW M5-16
48 3SS-76065-0 RECTIFIER COMPLETE
49 3SS-76067-0 RECTIFIER COMPLETE GASKET
50 9101E3-5625 BOLT
51 3SS-06973-0 CLAMP
52 3B7-76142-1 GROUND CABLE L=120
53 3UG-76139-0 STARTER CABLE SUB-ASY
54 3UG-76210-0 * FUSE(50A)
55 3UG-76252-0 * FUSE CAP (BLUE)
56 369-84398-1 BAND 202
57 3UG-84398-0 BANDφ2.5-φ32
Fig.09 DRIVE SHAFT HOUSING (72 parts) Fig.09 DRIVE SHAFT HOUSING
Ref OEM Part # Part Name
1 3SS-01302-0 ENGINE BASEMENT SUB-ASSY
2 3RS-72404-0 FLUSHING CONNECTOR CAP
3 3RS-67147-0 SEAL RING
4 3SS-65250-0 WATER PRESSURE RELIEF VALVE
5 3SS-65255-0 SPRING
6 3SS-65248-0 WATER PRESSURE RELIEF CAP
7 353-00108-0 O-RING 2.4-44.7
9 3R3-66226-0 GROMMET 40-18-3
10 3T1-67161-0 GROMMET
16 3SS-67116-0 ENGINE BASEMENT SEAL L=1307
18 345-01111-0 DOWEL PIN 6-12
20 3KK-01012-0 CYLINDER HEAD BOLT
21 9401E3-0800 WASHER
24 3SS-60001-0 BOLT M10-45-P1.25
25 3SS-61018-0 BOLT M10-170-P1.25
26 3SS-01303-0 ENGINE BASEMENT GASKET
27 3SS-07701-0 OILPAN
28 3R3-07705-1 DRAIN BOLT 14-14
29 3R3-07406-0 WASHER 14.5-24-1
30 3KM-01142-0 ANODE PLUG ASSY
31 3P0-01143-0 * ANODE PLUG
32 3T5-10046-0 * O-RING 1.9-13
33 3P0-60218-0 * ANODE
34 921503-0530 * SCREW
35 3SS-07712-0 STRAINER CAP
36 3SS-07713-0 MESH
37 9101E3-5620 BOLT
38 3SS-61208-0 IDLE EXHAUST PORT COVER
39 3UG-61220-0 IDLE EXHAUST PORT GASKET
40 9101E3-5625 BOLT
41 3SS-61343-0 BOLT M10-55-P1.25
42 3SS-07702-0 OILPAN GASKET
43 3SS-07711-0 OILPAN PLATE
44 3SS-07714-0 OILPAN PLATE GASKET
46 3SSW61192-0 DRIVE SHAFT HOUSING (L)
47 3RS-67144-0 COWL SUPPORT RUBBER
48 3AL-76079-0 COLLAR 6.2-9-9.55
49 910103-0616 BOLT
50 3SSW67003-0 DRIVE SHAFT HOUSING COVER (R)
51 3SS-67685-0 HOOK LEVER (RIGHT)
54 3UG-67142-0 COVER HOOK
57 3SS-67470-0 CABLE COVER STAY
58 921503-0512 SCREW
61 3SSW67004-0 DRIVE SHAFT HOUSING COVER (L)
62 3SSW67140-0 HOOK LEVER BRACKET
64 3SS-67141-0 HOOK LEVER
66 350-67105-0 HOOK LEVER BUSHING 14-16.5-17.7
68 3UH-67142-0 COVER HOOK
69 3SS-67142-0 COVER HOOK
70 345-05122-1 WASHER 6.5-23-1.5
71 3SS-02095-0 BOLT 16mm
72 3SS-67684-0 HOOK LEVER (LEFT)
73 941403-1400 WAVE WASHER d=14
74 3SS-72615-0 PTT SWITCH ASSY
75 3SS-72617-0 PTT SWITCH ASSY BRACKET
76 3F3-72616-1 GASKET
77 3SS-72594-0 BRACKET
78 3SS-06973-0 CLAMP
79 910103-5612 BOLT
80 3UG-84398-0 BAND φ2.5-φ32
81 3SS-67113-0 MOUNT
82 3SS-61212-0 GROMMET
83 3T1-07737-1 CLIP φ17.8
84 3RS-67485-0 BOLT
85 3SS-67477-0 COVER
86 3SS-76116-0 GROMMET
87 9101E3-5630 BOLT
88 3SS-07721-0 OIL LEVEL GAUGE
91 3SSW61110-0 EXTENSION HOUSING
92 3SS-61111-0 STUD M10-165_P1.25
93 3AB-01111-0 DOWEL PIN 6-12
94 3A3-60984-0 SUB-WATER INLET HOSE PLUG
Fig.10 GEAR CASE (DRIVESHAFT) (49 parts) Fig.10 GEAR CASE (DRIVESHAFT)
Ref OEM Part # Part Name
1 3SS-65120-0 WATER PIPE (UL)
2 3SS-65014-0 WATER PIPE SEAL (LOWER)
3 3SS-65204-0 WATER PIPE AUXILIARY MOUNT φ16
4 3SSW60000-0 GEAR CASE ASSY
5 3C7-60211-1 * ROLLER BEARING 28.6-38.1-3
6 3SS-60042-0 WATER SEAL PLATE
7 3SS-60041-0 WATER SEAL RUBBER
8 332-60005-3 PLUG 8-8
9 332-60006-1 GASKET 8.1-15-1
10 3SS-60217-0 TRIM TAB
11 911103-1045 BOLT 10-P1.25
12 940103-1000 WASHER
13 3SS-60012-0 GEAR CASE PLATE
14 9215E3-0516 SCREW
15 3SS-60205-0 WATER STRAINER SET
16 3KY-60218-0 ANODE
17 910103-5645 BOLT
18 930403-0600 NYLON NUT 6-P1.0
19 353-64016-0 SHIM 52-60.5-0.1
20 3SS-64020-0 BEVEL GEAR B
21 3SS-64027-0 NUT
22 3SS-66014-0 CAM ROD (UL)
23 945303-0900 E-RING d=9
24 3SS-66031-1 CAM ROD BUSHING
25 3SS-66137-0 OIL SEAL 10-20-7
27 9101E3-5620 BOLT
28 3SS-64303-0 DRIVE SHAFT (UL)
29 3C7-60213-0 TAPERED ROLLER BEARING 0506
30 3SS-64327-0 DRIVE SHAFT SPRING
31 3SS-64328-0 DRIVE SHAFT SPRING GUIDE
32 3SS-65021-0 WATER PUMP IMPELLER
33 3B7-65022-1 KEY 28-5.7-4
34 3SS-65016-0 PUMP CASE (UPPER)
35 3SS-65011-0 PUMP CASE LINER
36 3SS-65015-0 O-RING 2.4-35.2
37 3SS-65025-0 WATER PUMP GUIDE PLATE
38 3SS-65029-0 GUIDE PLATE GASKET
39 3UG-65015-0 O-RING 2.4-84.4
41 9161E3-0845 BOLT
42 9401E3-0800 WASHER
43 3SS-60231-0 OIL SEAL HOUSING ASSY
44 3SS-60223-0 * OIL SEAL 22-40-8
45 3SS-66023-0 * O-RING 3.5-55.6
46 9101E3-5825 BOLT
47 3SS-60001-0 BOLT M10-45-P1.25
48 3AB-01111-0 DOWEL PIN 6-12
49 3B7-61114-0 NUT 10-P1.25
50 9402E3-1000 WASHER
51 3SS-61018-0 BOLT M10-170-P1.25
Fig.11 GEAR CASE (PROPELLER SHAFT) (27 parts) Fig.11 GEAR CASE (PROPELLER SHAFT)
Ref OEM Part # Part Name
1 3SS-64010-0 BEVEL GEAR ASSY (A)
2 3B7-64011-0 * ROLLER BEARING 25-32-26
3 3B7-64016-0 SHIM 47-57-0.1
4 3C7-60215-0 TAPERED ROLLER BEARING 30209
5 3SS-64030-0 BEVEL GEAR C
6 3SS-64035-0 WASHER t=2.4
7 3B7-64037-0 SHIM 42-50-0.1
8 3SS-64211-0 PROPELLER SHAFT
9 3SS-64215-0 CLUTCH
10 3B7-64218-0 PIN
11 3B7-64219-1 SNAP
12 3SS-64225-0 CLUTCH SLIDER
13 965002-3207 BALL 7/32=5.556mm
14 965002-3211 BALL 11/32=8.731mm
15 3SS-64221-0 SPRING
16 3SSW87323-0 PROPELLER SHAFT HOUSING ASSY
17 3B7-60211-0 * ROLLER BEARING 30-40-30
18 9601-0-6208 * BALL BEARING 6208
19 3SS-60103-0 * O-RING 3.1-94.4
20 3SS-60111-0 * OIL SEAL 30-50-7
21 3SS-61017-0 BOLT M10-35-P1.25
22 353-64121-0 PROPELLER NUT M16P1.5
23 345-64124-0 WASHER 17-32-3
24 951503-0325 SPLIT PIN 3-25
25 3HKB64545-0 PROPELLER ASSY (21")
26 3HK-64238-0 PROPELLER HUB KIT
27 3HK-64235-0 * FORWARD THRUST WASHER
Fig.11A GEAR CASE (COUNTER ROTATION MODEL) (17 parts) Fig.11A GEAR CASE (COUNTER ROTATION MODEL)
Ref OEM Part # Part Name
1 31KW60000-0 GEAR CASE ASSY
1a 31K-60086-0 * RETAINER ASSY (GEAR A)
1b 31K-64011-0 ** ROLLER BEARING 45-52-20
2 31K-64010-0 BEVEL GEAR ASSY (A)
3 31K-60102-0 ROLLER BEARING 60-85-3
4 31K-62116-0 WASHER 60-84.5-1.5
5 31K-64016-0 SHIM 61-84.5-0.1
6 31K-64211-0 PROPELLER SHAFT
7 31K-64089-0 BEVEL GEAR ASSY (C)
7a 31K-60211-0 * ROLLER BEARING 35-42-20
7b 31K-60215-0 * TAPERED ROLLER BEARING 50-80-20
8 951407-2520 * SPRING PIN 2.5-20
9 31K-64083-0 SHIM 42-59.8-0.6
10 31K-66308-0 WASHER 42-60-3.5
11 31K-64019-0 ROLLER BEARING 40-60-3
12 31K-64037-0 SHIM 102-105-0.1
13 31KW87323-0 PROPELLER SHAFT HOUSING ASSY
Fig.12 BRACKET (69 parts) Fig.12 BRACKET
Ref OEM Part # Part Name
1 3SS-61301-0 RUBBER MOUNT (UPPER)
2 3SS-61326-0 LOCK PLATE W/BOLT
5 3SS-61339-0 DAMPER (UPPER)
6 3SS-61333-0 DAMPER (UPPER)
7 3SS-61302-0 RUBBER MOUNT (LOWER)
8 3SS-61321-0 BOLT M12-195_P1.25
9 9402E3-1200 WASHER
10 3SS-61338-0 DAMPER 28.2-48-5
11 3SS-61334-0 WASHER 12.5-46-4
12 3SS-61336-0 DAMPER (LOWER)
13 3SSW61342-0 MOUNT HOLDING PLATE (LOWER)
14 3SSW77211-0 CLAMP BRACKET (PTT-R)
15 3SSW77212-1 CLAMP BRACKET (PTT-L)
16 9102E3-1020 BOLT
17 9402E3-1000 WASHER
18 3C7-60218-2 ANODE
19 338-60218-2 ANODE
21 910103-5630 BOLT
22 3E0-62116-1 WASHER 25.7-50-1
23 3SS-62191-0 SWIVEL BRACKET SHAFT ASSY
24 344-67177-1 GREASE FITTING
25 940103-0600 WASHER
26 3E0-62126-0 BUSHING 25.6-28.6-40
27 346-62124-1 NYLON NUT 7/8-14
28 3E0-62121-1 THRUST ROD
29 3B7-62129-1 PIN
30 3SSW77208-0 SWIVEL BRACKET ASSY
31 3SS-77085-0 BOLT M12-P1.25-43
35 3SS-62396-0 GROUND 260mm
36 3C8-62396-1 GROUND L=210
38 3SS-62431-0 TILT STOPPER ASSY
39 3Y9-62433-0 * TILT STOPPER GRIP
40 3SS-63207-0 COLLAR 12.2-26-15.5
41 940103-1200 WASHER
42 951403-3516 SPRING PIN 3.5-16
43 3E0-62473-1 TILT STOPPER SPRING
44 3SSW62010-0 STEERING SHAFT ASSY
45 3SS-62417-0 BUSHING
46 3SS-62423-0 THRUST PLATE (UPPER) 38.5-58-2
47 3SS-62415-0 O-RING 4.8-36.7
48 945103-3600 C-RING
49 3SSW61411-0 MOUNT BRACKET
50 910103-5620 BOLT
52 3T1-72574-0 TRIM SENSOR L=1700
53 910103-0620 BOLT
54 3C8-66308-0 WASHER 6-16-1.5
55 345-06915-0 CLAMP 6.5-14L
56 921503-5612 SCREW
57 3SS-77150-1 PTT ASSY
58 910103-5612 BOLT
59 3SS-77071-0 CYLINDER PIN (UPPER)
60 3C8-77075-0 BUSHING 18-24-19
61 3E0-77076-0 BUSHING 18-20-20.5
62 9101E3-0612 BOLT
63 345-05122-1 WASHER 6.5-23-1.5
64 3E0-77101-2 CYLINDER PIN (LOWER)
65 3E0-77103-0 BUSHING 22-25.4-23.5
66 346-62412-1 WASHER 22.6-30-2
67 945103-2200 C-RING d=22
68 3SS-60001-0 BOLT M10-45-P1.25
69 3SS-61343-0 BOLT M10-55-P1.25
71 3PR-06972-0 CLAMP 6.5-47.5P
72 3AM-72120-0 RIGGING BOLT SET
73 3C7-62133-2 * BOLT 12-105 P1.25
74 353-61334-0 * WASHER 13-34-3
75 3R0-61324-0 * NYLON NUT 12-P1.25
76 9401E3-1200 * WASHER
77 398-62396-1 GROUND L=130
78 3SS-67150-0 PLUG
Fig.13 POWER TRIM&TILT (45 parts) Fig.13 POWER TRIM&TILT
Ref OEM Part # Part Name
1 3SS-77180-1 MOTOR ASSY
2 3T1-77195-0 * YOKE ASSY
3 353-77182-1 * O-RING
4 3SS-77192-1 * MOTOR BRACKET ASSY
5 3SS-77191-1 ** BREAKER
5a 3SS-77183-1 ** BRUSH
5b 3E0-77184-0 ** BRUSH SPRING
6 3SS-77199-0 BOLT
7 3SS-77430-0 PUMP
8 3E0-77434-0 * FILTER
9 3E0-77163-0 COUPLING
10 3B7-77167-0 O-RING 1.8-69.6
11 3E0-77176-1 MANUAL VALVE
12 3B7-77411-0 * O-RING
13 3E0-77407-0 * O-RING
14 3E0-77408-0 * BACK-UP RING
15 3SS-77171-0 C-RING
16 3E0-77475-0 FILTER
17 3E0-77479-0 ORIFICE
18 3SS-77365-0 PISTON ROD ASSY
19 3E0-77383-0 * O-RING
21 3B7-77377-1 FREE PISTON
22 3B7-77375-0 O-RING
23 3B7-77376-0 BACK-UP RING
24 3E0-77388-0 TRIM PISTON ASSY
25 3E0-77390-0 * TRIM PISTON
26 3B7-77392-0 * O-RING
27 3B7-77393-0 * BACK-UP RING
28 3SS-77395-0 ROD GUIDE SUB-ASSY
29 3E0-77398-0 * O-RING
30 3E0-77472-1 PLUG
31 3SS-77179-0 O-RING
32 3E0-77165-0 RESERVE TANK
33 3E0-77168-0 CAP
34 3E0-77169-0 O-RING
35 3SS-77169-0 O-RING
36 3SS-77159-0 BOLT
37 3SS-77431-0 BOLT
38 3SS-77432-0 BOLT
39 3SS-77167-0 O-RING
40 3E0-77557-0 ORIFICE
41 3E0-77558-0 BALL
42 3E0-77559-0 PIN
43 3E0-77453-0 VALVE SEAT
44 3E0-77456-0 FILTER
Fig.14 SHIFT・THROTTLE (41 parts) Fig.14 SHIFT・THROTTLE
Ref OEM Part # Part Name
1 3SS-63718-0 THROTTLE CAM
2 3SS-63727-0 SPRING
3 3R3-66124-0 COLLAR 6.5-10.5-22.6
4 910103-0635 BOLT
6 345-05122-1 WASHER 6.5-23-1.5
7 3SS-63751-0 THROTTLE ARM
8 3KY-03171-0 THROTTLE ROLLER
9 3KY-76079-0 COLLAR 6.5-10.5-9.3
10 910103-0620 BOLT
11 3SS-63617-0 THROTTLE ROD
12 3SS-66272-0 SHIFT SLIDER BRACKET
13 3SS-76081-0 NEUTRAL SWITCH BRACKET
14 3SS-76080-0 NEUTRAL SWITCH
15 921503-0414 SCREW
16 921503-0406 SCREW
17 3SS-66113-1 SHIFT DETENT SPRING
18 921503-5508 SCREW
19 3SS-66122-0 SHIFT ARM
20 3SS-66270-1 SHIFT SLIDER
21 3SS-66308-0 WASHER
22 951603-1000 SNAP PIN
23 3SS-83820-0 CABLE CLIP ASSY
25 910103-5830 BOLT
26 3SS-66220-0 SHIFT ROD BRACKET
27 9101E3-5625 BOLT
28 3SS-66221-0 BUSHING 10-12_H=10
29 346-63721-0 BUSHING 6.2-16-5
30 3AL-83719-0 WASHER 7-18-1.6
31 3EF-65307-1 SNAP PIN
32 3SS-66200-0 SHIFT ROD ASSY
33 3SS-66241-0 * SHIFT ROD JOINT
34 951403-0414 * SPRING PIN 4-14
35 3UG-66233-0 * WASHER 10.5-28-3
36 3SS-66226-0 GROMMET φ20-6,φ9
37 3B7-83715-2 CABLE JOINT
38 3AA-83719-0 WASHER 8.5-18-1.6
39 951603-0800 SNAP PIN d=8
40 346-67115-0 WASHER 6.5-21-1
41 3SS-63505-0 CABLE HOLDER
42 3F9-84398-0 BAND 205
43 910103-5616 BOLT
Fig.15 STEERING (8 parts) Fig.15 STEERING
Ref OEM Part # Part Name
1 3SS-83830-0 STEERING HOOK PLATE
2 910103-1030 BOLT
3 3SS-84905-0 DRAG LINK ASSY
4 3E0-84914-0 * SPACER 9.6-19-13
5 3E0-84917-0 * BOLT 3/8-50
6 353-84918-0 * NYLON NUT 3/8-24UNF
7 353-84916-0 * WASHER 9.6-18-2
8 3F3-84908-0 * SEAL RING
Fig.16 TOP COWL (21 parts) Fig.16 TOP COWL
Ref OEM Part # Part Name
1 3SSW67645-3 TOP COWL ASSY
2 3SSW67640-0 * TOP COWL SUB-ASSY
3 3R0-67517-0 ** ROLLER 6.1-14.7-14
5 346-67115-0 ** WASHER 6.5-21-1
6 945303-0500 ** E-RING d=5
7 3SS-67143-0 ** COWL SUPPORT
8 3UG-67144-0 ** COWL SUPPORT RUBBER
9 910103-5620 ** BOLT
10 3SS-67519-0 ** ROLLER φ9.1-φ15-15
11 3SY-76079-0 ** COLLAR
12 940103-0600 ** WASHER
13 910103-0630 ** BOLT
14 940203-0800 ** WASHER 8.4-15.5-1.6
15 3KY-10155-0 ** BUSHING
16 3ZH-67536-0 * REAR DECAL (MFS140AW)
17 3YU-67538-0 * SIMPLIQ DECAL
18 3ZH-67541-0 * SIDE DECAL
19 3SS-67580-0 * LOGO DECAL
20 3YG-72180-0 CAUTION DECAL (A)
21 3F0-72185-0 CAUTION DECAL
22 3SS-67501-0 TOP COWL SEAL
Fig.17 MULTI TILLER HANDLE (53 parts) Fig.17 MULTI TILLER HANDLE
Ref OEM Part # Part Name
1 3SSW63000-2 TILLER HANDLE KIT
2 3SS-63600-0 * THROTTLE WIRE
3 3SS-66196-0 * SHIFT CABLE
4 398-06830-0 * STOP SWITCH ASSY
5 353-06821-0 ** STOP SWITCH LANYARD ASSY
6 3GF-76020-0 * MAIN SWITCH ASSY
7 3GF-76219-0 ** MAIN SWITCH KEY
8 3GF-76205-0 ** MAIN SWITCH KEY COVERING CAP
9 3T5-76022-0 * MAIN SWITCH CAP (WATERPROOF)
10 3GF-71040-0 * PILOT LAMP ASSY
11 3GF-72019-1 * THROTTLE DECAL
12 3GF-67578-2 * SHIFT DECAL
13 3GF-72198-1 * WARNING LAMP DECAL
14 3GF-72200-1 * STOP SWITCH DECAL
15 3GF-84339-1 * INSTRUCTION DECAL
16 3UR-63320-0 * TILLER HANDLE COVER
17 3GF-63624-0 * GROMMET
18 3SS-76119-0 * CORD ASSY
19 3UR-63193-0 * GRIP PARTS KIT
20 3UR-63062-0 * THROTTLE SHAFT KIT
21 3GF-63067-0 * THROTTLE LINK ASSY
22 3GF-66160-0 * SHIFT UNIT ASSY
23 3GF-66158-0 * SHIFT LEVER KIT
24 3GF-66198-0 * CABLE BRACKET KIT
25 3GF-76175-0 * BUZZER KIT
26 3GF-63032-0 * THROTTLE FRICTION ASSY
27 3GF-63205-0 * SCREW SET
28 3SSW62001-1 * STEERING BRACKET
29 9153E3-1040 * STUD M10-40
30 3SS-62991-0 * PLATE
31 930403-1000 * NYLON NUT 10-P1.5
33 3GF-63201-0 * BOLT 10-80 P1.25
34 3GF-63305-0 * CONICAL SPRING WASHER 10.5-21-2.3
35 3GF-63025-0 * SPACER 10.5-23-9
36 3GF-63102-0 * BUSHING 10.5-12.7-13.5
37 9401E3-1000 * WASHER
38 3GF-63310-0 * LOCK NUT 10-P1.25
41 3SS-62447-0 * PLATE
42 3V1-60108-0 * PRE-COATED BOLT 6-16
43 3V5-62442-0 * NYLON NUT 8-P1.25
44 3B7-63730-0 * WASHER 8.5-24-1.5
45 3SS-62449-0 * DISC
46 3SS-62441-0 * FRICTION LEVER
47 3SS-62400-0 * FRICTION LEVER BRACKET
48 910103-5612 * BOLT
49 3R3-62443-0 * WASHER 8.1-20-0.8
50 3GF-62445-0 * BOLT 8-32 P1.25
51 346-62127-0 * CAP NUT
52 3VS-63025-0 * SPACER
53 3VV-63025-0 * SPACER
54 9216E3-0630 * SCREW
55 3GF-62004-0 CORD HOLDER
56 3T5-06437-0 TAPPING SCREW 6-16
Fig.18 COMPONENT PARTS OF REMOTE CONTROL (52 parts) Fig.18 COMPONENT PARTS OF REMOTE CONTROL
Ref OEM Part # Part Name
1 3U2B84500-1 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-84339-1 * 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 3U2-06973-0 * CLAMP
51 3U2-72187-0 * CAUTION DECAL (SIGP)
52 3U2B84440-0 * FRONT HOUSING
Fig.19 COMPONENT PARTS OF REMOTE CONTROL (ELECTRIC PARTS) (16 parts) Fig.19 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 3T5-76115-1 CORD ASSY L=6200
5 353-72546-0 ASSIST CORD (RED) L=200
6 3U2-84331-0 DECAL (LEVER)
7 3U2-84336-1 SHIFT POSITION DECAL
8 3T5-76086-0 NEUTRAL SWITCH (REMOTE CONT)
9 921503-5316 SCREW
10 3U2-72615-0 PTT SWITCH ASSY
11 3C8-76171-0 OVERHEAT BUZZER
12 3A3-06830-0 STOP SWITCH ASSY
13 31H-06848-0 * STOP SWITCH LANYARD ASSY
14 3U2-72200-0 STOP SWITCH DECAL
15 3U2-84334-0 REMOTE CONTROL LOGO DECAL
16 3U2-84398-0 BAND
Fig.20 OPTIONAL PARTS・ACCESSORIES (26 parts) Fig.20 OPTIONAL PARTS・ACCESSORIES
Ref OEM Part # Part Name
1 3T1-72405-0 HOSE JOINT (WATER-WORKS)
2 3SS-72100-1 TOOL KIT
3 3WA-72523-3 TRIM METER KIT
3a 3VS-72523-0 TRIM METER KIT
4 3WA-72647-3 TACHOMETER
5 3WA-72532-1 HOUR METER KIT
6 3WA-72531-1 VOLTMETER KIT
7 3WA-72527-3 WATER PRESSURE METER KIT
9 3WA-72600-1 FUEL METER KIT
10 3UW-72673-1 SPEEDOMETER KIT (70MPH)
11 3KY-72538-0 SPEEDOMETER LEAD WIRE
12 3KY-72546-0 ASSIST CORD (RED)
13 3A3-81301-0 TWIN REMOTE CONTROL KIT
14 3Z4-72573-0 EXTENSION CORD (TRIM SENSOR) L=2000
15 3T5-76112-0 EXTENSION CORD L=2000 (2P)
16 3ZG-76114-0 EXTENSION CORD L=9000 (8P+3P)
17 3SS-70232-0 PRIMER BULB ASSY W/BAND
18 3C7-70220-1 * JOINT ASSY (INLET)
19 3C7-70224-1 * JOINT ASSY (OUTLET)
20 3C7-70211-1 * PRIMER BULB
21 3C7-70217-0 * CLAMP
22 98AB-70-700 * HOSE
23 98AB-701600 * HOSE
24 332-70201-0 * CLAMP
25 3T5-84398-0 * BAND 104
26 3SS-76144-0 EXTENSION STARTER CABLE
Fig.21 OPTIONAL PARTS (1) (8 parts) Fig.21 OPTIONAL PARTS (1)
Ref OEM Part # Part Name
1 3ZG-76131-1 ENGINE DROP CABLE L=6m
1a 3SS-06973-0 * CLAMP
2 3ZG-76132-0 BACKBONE CABLE L=6m
3 3ZG-76120-0 BATTERY CABLE
4 3ZG-76153-0 TERMINATOR (MALE)
5 3ZG-76152-0 TERMMINATOR (FEMALE)
6 3ZG-76151-0 TEE CONNECTOR
7 3SS-76049-0 LEAD WIRE
Fig.21A OPTIONAL PARTS (2) (16 parts) Fig.21A OPTIONAL PARTS (2)
Ref OEM Part # Part Name
1 3U3-84490-2 CONTROL HEAD ASSY (TOP-SINGLE)
1a 3U3-84543-0 * BASE BEZEL
2 3U3-84540-1 CONTROL HEAD ASSY (TOP-TWIN)
2a 3U6-84543-0 * BASE BEZEL
3 3U3-84620-1 CONT HEAD ASSY (CENTER CONSOLE)
4 3U3-84600-2 CONT HEAD ASSY (FLUSH MOUNT)
5 3U3-84541-1 BEZEL COVER KIT
6 3U6-84541-1 BEZEL COVER KIT
7 3U3-84373-0 SPACER SET
8 3U6-84373-0 SPACER SET
9 3U3-84313-0 FREE THROTTLE BUTTON
10 3U8-84541-1 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.22 RIGGING KIT(1) (27 parts) Fig.22 RIGGING KIT(1)
Ref OEM Part # Part Name
1 3SSQ84555-3 PRE-RIGGING KIT (GENERIC SIDE)
4 3GLQ84550-6 * PRE-RIGGING KIT
9 3UJ-84556-0 PRE-RIGGING KIT (GENERIC FLUSH)
10 3UR-72647-3 * TACHOMETER
13 3KY-72537-0 * METER LEAD WIRE L=8000
15 353-72548-0 * ASSIST CORD (BLK) L=200
21 3ZG-84555-1 PRE-RIGGING KIT (GENERIC SIDE)
21a 3UH-84555-0 PRE-RIGGING KIT (GENERIC SIDE)
22 3U2B84500-1 * REMOTE CONTROL HEAD ASSY (RC12F)
23 3PA-72638-2 * TACHOMETER KIT
24 3UR-72523-3 * TRIM METER KIT
27 3YU-84556-0 PRE-RIGGING KIT (GENERIC FLUSH)
28 3VS-72638-0 * TACHOMETER KIT
29 3VS-72523-0 * TRIM METER KIT
30a 3UR-06869-0 * BRACKET
30b 3UR-76201-0 * MAIN SWITCH PANEL
30c 3YU-06869-0 * BRACKET
30d 3YU-06882-0 * STOP SWITCH PANEL
31 3KY-72539-0 * TACHOMETER LEAD WIRE L=2000
32 3T1-72573-1 * EXTENSION CORD (TRIM SENSOR) L=6000
33 3UR-76020-0 * MAIN SWITCH ASSY
33a 353-76203-3 ** MAIN SWITCH KEY No.303
34 3Y9-06830-0 * STOP SWITCH ASSY
35 353-76205-1 * MAIN SWITCH KEY COVERING CAP
36 3Y9-76171-0 * OVERHEAT BUZZER
37 3Y9-76049-0 LEAD WIRE L=200
38 3Y9-76251-0 LAMP PANEL ASSY
Fig.22 RIGGING KIT(2) (9 parts) Fig.22 RIGGING KIT(2)
Ref OEM Part # Part Name
1 3UY-84550-0 PRE-RIGGING KIT
2 3UR-76020-0 * MAIN SWITCH ASSY
3 353-76203-3 ** MAIN SWITCH KEY F-303
4 3YT-06869-0 * BRACKET
5 3YT-76201-0 * MAIN SWITCH PANEL
6 3Y9-06830-0 * STOP SWITCH ASSY
7 353-76205-1 * MAIN SWITCH KEY COVERING CAP
8 3KY-72539-0 * TACHOMETER LEAD WIRE L=2000
9 3Y9-76171-0 * OVERHEAT BUZZER
Fig.23 ASSEMBLY・KIT PARTS (16 parts) Fig.23 ASSEMBLY・KIT PARTS
Ref OEM Part # Part Name
1 3SSW87304-1 LOWER UNIT ASSY (UL)
2 3ZGB87090-2 ENGINE SHORT BLOCK KIT
3 3UG-61220-0 * IDLE EXHAUST PORT GASKET
4 3SS-87321-0 LOWER UNIT GASKET SET
5 9101E3-5612 * BOLT
6 921503-0510 * SCREW
7 9401E3-0800 * WASHER
8 945303-0900 * E-RING d=9
9 9701-1-1130 * SPARK PLUG (LKR6E)
10 3SS-87130-0 PISTON REPAIR KIT
11 3SS-87123-1 PISTON RING SET
12 3SS-07895-0 INTAKE VALVE KIT
13 3SS-07896-0 EXHAUST VALVE KIT
14 3SS-10181-0 VST LEAD WIRE KIT
15 3UR-72601-0 PTT SWITCH COVER KIT
16 3UR-72609-0 PTT SWITCH KIT

100-Hour / Annual Service Checklist

Regular maintenance keeps your Tohatsu MFS75/90/100/115/140A 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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