Tohatsu MFS25/30C (2018) Parts & Diagrams

OEM and aftermarket replacement parts for Tohatsu MFS25/30C. Scroll down for exploded parts diagrams (28), specifications, and maintenance reference.

Tohatsu MFS25/30C (2018) Parts & Diagrams

🔎 Tohatsu MFS25/30C Reference Library — Exploded parts diagrams (28 diagrams), specifications, common issues, and maintenance checklist.

The Tohatsu MFS25/30C is a 4-Stroke EFI 3-Cylinder outboard motor. Commonly used on jon boats, pontoons, and mid-size utility craft.

Quick Reference Specifications

Specification Value
Engine Type 4-Stroke EFI 3-Cylinder
Horsepower 25 HP
Displacement 526 cc
Bore x Stroke 61.0 x 60.0 mm
Spark Plug (Type & Gap) NGK MR7F
Engine Oil Capacity 1.8 L (with filter)
Recommended Engine Oil SAE 10W-30
Gear Case Oil Capacity 0.37 L
Idle Speed (in gear) 800 RPM (in gear)
Full Throttle RPM Range 5000-6000 RPM
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 MFS25/30C:

  • 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 MFS25/30C.

Fig.01 CYLINDER・CRANK CASE (21 parts) Fig.01 CYLINDER・CRANK CASE
Ref OEM Part # Part Name
1 3NVB01100-0 CYL BLOCK & CRANKCASE ASSY
2 345-01111-0 * DOWEL PIN 6-12
3 3H8-07636-0 * OIL FILTER BOLT
4 3R0-01113-1 * BOLT 8-90
5 9161F9-0640 * BOLT
6 9401E3-0600 * WASHER
7 3BJ-07615-0 OIL FILTER
8 3NV-01030-0 THERMOSTAT
9 3H6B01031-0 THERMOSTAT CAP
10 346-01032-0 THERMOSTAT CAP GASKET
11 9101E3-5630 BOLT
12 3KM-01142-0 ANODE PLUG ASSY
12a 3P0-01143-0 * ANODE PLUG
13 3T5-10046-0 * O-RING 1.9-13
14 3P0-60218-0 * ANODE
15 921503-0530 * SCREW
16 3R0-01303-0 ENGINE BASEMENT GASKET
17 3AC-69000-0 STARTER LOCK CABLE BRACKET
18 910103-0612 BOLT
19 3C7-01513-2 HANGER
20 9101F4-5820 BOLT
Fig.02 PISTON・CRANK SHAFT (14 parts) Fig.02 PISTON・CRANK SHAFT
Ref OEM Part # Part Name
1 3AC-00030-1 CRANKSHAFT ASSY
2 3AE-07408-0 PLAIN SHAFT BEARING
3 3R0-00122-0 OIL SEAL 38-50-8
4 3R0-00121-0 OIL SEAL 35-50-8
5 3R0-00040-1 CONNECTING ROD ASSY
6 3H6-00059-0 * CONNECTING ROD BOLT
7 3FS-87130-0 PISTON REPAIR KIT
8 3AE-00001-1 * PISTON
9 3AE-00021-0 * PISTON PIN
10 3H6-00024-0 * PISTON PIN CLIP
11 3FS-87123-0 PISTON RING SET
12 3AC-00011-0 * PISTON RING
13 3AC-00012-0 * PISTON RING
14 3AC-00013-0 * PISTON RING-OIL
Fig.03 CYLINDER HEAD・OIL PUMP (48 parts) Fig.03 CYLINDER HEAD・OIL PUMP
Ref OEM Part # Part Name
1 3NWB01000-1 CYLINDER HEAD COMPLETE
2 3NVB01001-1 * CYLINDER HEAD ASSY
3 9153F4-0635 * STUD
4 3AD-07010-1 * CAMSHAFT ASSY
5 3AC-07010-1 * CAMSHAFT ASSY
6 3H8-07025-0 * OIL SEAL 18-35-8
7 3AE-07935-1 * ROCKER ARM
8 3R0-07238-0 * ADJUSTING SCREW
9 3H8-07237-0 * ADJUSTING NUT
10 3AE-07220-0 * ROCKER ARM SHAFT
11 3AE-07226-0 * ROCKER ARM SHAFT
12 910124-5635 * BOLT
13 3H8-07225-0 * ROCKER SHAFT SPRING L=30
14 3H8-07229-0 * ROCKER SHAFT SPRING L=50
15 3R3-07227-0 * WASHER 13.2-21.8-2
16 3H8-07239-0 * COLLAR 13.1-15.9-22.5
17 3AE-07895-0 * INTAKE VALVE KIT
18 3AE-07901-0 ** INTAKE VALVE
21 3AE-07896-0 * EXHAUST VALVE KIT
22 3AE-07902-0 ** EXHAUST VALVE
23 3AE-07921-0 ** RETAINER
24 3AE-07923-0 ** COTTER
25 3AE-07203-0 * VALVE SPRING L=35
26 3H6-07205-0 * VALVE SPRING SEAT
27 3R3-07204-0 * INTAKE VALVE STEM SEAL
28 3R3-07206-0 * EXHAUST VALVE STEM SEAL
29 3AE-07600-0 * OIL PUMP ASSY
30 9101F4-0645 * BOLT
32 3R0-07639-0 * O-RING φ1.9
33 3AD-01005-1 CYLINDER HEAD GASKET
34 3H8-01013-0 CYLINDER HEAD BOLT 8-60
35 345-01111-0 DOWEL PIN 6-12
36 9161F4-0653 BOLT
37 9401E3-0600 WASHER
38 3R0-01094-0 PLATE
39 910121-0612 BOLT
40 3ACB01020-0 CYLINDER HEAD COVER ASSY
41 3R0-01024-0 CYLINDER HEAD COVER GASKET
42 9101F4-5630 BOLT
43 3T4-06972-1 CLAMP 6.5-87P
44 3R0-07431-0 BREATHER CHAMBER COVER
45 921521-0508 SCREW
46 3R0-71015-1 OIL FILLER CAP
47 3R0-07422-0 O-RING 3.1-24.4
48 9701-1-1103 SPARK PLUG(DCPR6E)
49 3AC-07435-0 BREATHER HOSE
51 3R0-07737-1 CLIP φ15.5
52 98AM120-290 HOSE
Fig.04 PULLEY・TIMING BELT (10 parts) Fig.04 PULLEY・TIMING BELT
Ref OEM Part # Part Name
1 3R0-10060-0 DRIVE PULLEY
2 3T5-10131-0 KEY
3 3R0-10063-0 BELT GUIDE
4 3R0-10068-0 NUT
5 3R0-10069-0 LOCK WASHER
6 3H8-10062-2 DRIVEN PULLEY
7 309-00131-0 KEY 10-3.7-3
8 3H8-10066-0 WASHER 6.5-19-3.2
9 3AA-60108-0 PRE-COATED BOLT 6-20
10 3AC-10045-0 TIMING BELT
Fig.05 INTAKE MANIFOLD (53 parts) Fig.05 INTAKE MANIFOLD
Ref OEM Part # Part Name
1 3AC-02010-1 INTAKE MANIFOLD ASSY
2 345-01111-0 * DOWEL PIN 6-12
3 3R0-02095-0 * BOLT 5-10
4 3R0-02112-0 * WASHER 5.3-12-1
5 3AC-10200-0 FUEL RAIL ASSY
6 3AC-10162-0 * O-RING 1.9-4.8
7 3AC-77367-0 * JOINT
8 3AC-10098-0 * VALVE ASSY (PRESSURE CHECK)
9 3AC-10099-0 * CAP
10 3AC-10169-0 * HOLDING PLATE
11 921503-0410 * SCREW
12 3AC-10300-1 * FUEL INJECTOR ASSY
13 3AC-10304-1 ** O-RING 3.6-6.5
14 3AC-10303-1 ** O-RING
15 3AC-10161-0 * NIPPLE 8-6-13
16 3T5-10162-0 * O-RING 1.9-9.8
17 3T5-10169-0 * HOLDING PLATE
20 3PR-06972-0 CLAMP 6.5-47.5P
21 3AC-10214-0 MAP SENSOR
22 98AL-40-110 HOSE
23 338-01133-0 CLIP φ7
24 3AC-07233-0 PLATE
25 910103-5616 BOLT
26 3AC-06920-0 RUBBER MOUNT 11.8-14-1.5
27 3C8-66308-0 WASHER 6-16-1.5
28 3A0-76079-0 COLLAR 6.2-9-7.4
29 910103-0620 BOLT
30 3AC-03952-0 INSULATOR
31 3AC-02012-0 O-RING 1.9-31.2
32 9161F4-0653 BOLT
33 940103-0600 WASHER
34 930103-0600 NUT
36 3AC-02203-0 FUEL HOSE
37 3AD-10100-1 THROTTLE BODY ASSY
38 3AD-63749-0 THROTTLE CAM ASSY
39 3AC-63727-1 SPRING
40 353-76079-0 COLLAR 6.2-9-9.3
41 910103-0625 BOLT
42 346-67115-0 WASHER 6.5-21-1
43 3AC-10104-0 GASKET
44 910103-5625 BOLT
45 3AD-02409-0 INTAKE SILENCER ASSY
46 3AC-02418-0 GASKET
47 910103-5620 BOLT
48 3AC-02409-0 INTAKE SILENCER ASSY
49 3AC-02416-0 * INTAKE SILENCER COVER
50 3AC-10130-0 * AIR FILTER
51 3AC-02414-0 * INTAKE SILENCER GASKET
52 3AC-05913-0 * TAPPING SCREW 5-16
53 3AC-63624-0 GROMMET
54 3AC-63737-0 STAY
55 910103-5612 BOLT
56 3AD-02203-0 FUEL HOSE
Fig.06 FUEL SYSTEM (74 parts) Fig.06 FUEL SYSTEM
Ref OEM Part # Part Name
1 3AC-10150-0 VAPOR SEPARATOR ASSY
2 3AC-03235-0 * O-RING
3 921503-6416 * SCREW
4 3AC-03230-0 * FLOAT
5 3F3-03232-0 * FLOAT ARM PIN
6 344-03244-0 * CLIP
7 921503-0408 * SCREW
8 3R3-03239-0 * FLOAT VALVE ASSY
9 3AC-03292-0 * DRAIN SCREW
10 3AC-03116-0 * O-RING
11 3AC-06952-0 * TERMINAL HOLDER
12 3AD-03116-0 * O-RING
13 3AC-04310-0 * FUEL FEED PUMP ASSY
14 3AC-04322-0 * FILTER (INLET)
15 3AC-10154-0 * FUEL REGULATOR
16 3AC-10095-0 * O-RING
17 3AC-04313-0 * GROMMET 10.4-4
18 3AC-03234-0 * SCREW
19 98AB-30-300 * HOSE
20 3AD-04319-0 * GROMMET
21 346-67115-0 WASHER 6.5-21-1
22 346-67113-0 MOUNT 8.5-14-2.5
23 3B7-06920-0 RUBBER MOUNT 8.5-14-2.5
24 346-67114-1 SPACER 6.2-9-15.7
25 910103-0630 BOLT
26 3T4-06972-1 CLAMP 6.5-87P
27 98AB-30-540 HOSE
28 3AC-10175-0 FUEL COOLER ASSY
29 3AC-10046-0 * O-RING 1.9-7.8
30 3AC-10164-0 * O-RING 1.9-6.8
31 921503-6410 * SCREW
32 921903-0635 SCREW
33 3AC-02239-0 PLATE
34 3AC-10019-0 GASKET
35 3ACB10143-0 HIGH PRESSURE FUEL FILTER
36 3AC-10145-0 FUEL FILTER RUBBER MOUNT
37 3AD-02209-0 LOW PERMEATION HOSE L=190
38 3AC-02209-0 LOW PERMEATION HOSE L=140
39 3AC-02210-0 LOW PERMEATION HOSE L=100
40 3AL-02210-0 LOW PERMEATION HOSE L=340
41 3AD-02210-0 LOW PERMEATION HOSE L=300
42 3AC-70013-0 PIPE JOINT
43 3AD-06157-0 PROTECTOR φ18-240
44 3AD-06133-0 PROTECTOR φ18-130
45 3AC-10087-0 CLAMP φ16.8
46 3AC-09056-1 CLIP φ13.5
47 3T5-10086-0 CLAMP 21/32
48 3NV-65210-0 COOLING HOSE
50 3AC-10144-0 FUEL FILTER BAND
51 910103-5616 BOLT
52 3H8-04000-1 FUEL PUMP ASSY
53 3H8-62415-0 O-RING 3.5-25.7
54 910103-5625 BOLT
55 98AB-50-370 HOSE
56 98AB-50-600 HOSE
58 3NW-04055-0 LOW PERMEATION HOSE
59 3GT-35143-0 CLIP φ9.4
60 3AD-02230-0 FUEL FILTER ASSY
61 3AD-02237-0 * CUP
62 3AD-02235-0 * O-RING
63 3AD-02234-0 * FILTER
64 930103-0800 NUT
65 940103-0800 WASHER
66 941303-0800 SPRING WASHER
67 3AC-10320-0 AIR VENT ASSY
68 3AC-06302-0 RUBBER MOUNT
69 3AC-76174-0 STAY
70 98AB-50-040 HOSE
71 3AD-10170-0 ORIFICE
72 338-02215-0 CLIP φ10
73 98AL-40-620 HOSE
74 338-01133-0 CLIP φ7
75 369-84398-0 BAND 158
76 3NV-04055-0 LOW PERMEATION HOSE
Fig.07 RECOIL STARTER (28 parts) Fig.07 RECOIL STARTER
Ref OEM Part # Part Name
1 3AC-05090-1 RECOIL STARTER ASSY
2 3AC-05105-1 * STARTER CASE
3 3H8-05004-0 * STARTER SPRING
4 3R3-05106-0 * REEL
5 3R3-05003-0 * RATCHET
6 3R3-05011-0 * E-RING d=10
7 3R3-05012-0 * RETURN SPRING
8 3H8-05123-1 * RETURN SPRING
9 3R3-05006-0 * FRICTION PLATE
10 3SA-05913-0 * TAPPING SCREW
11 3R3-05013-0 * STARTER ROPE φ5-1800
12 3AC-05019-0 * STARTER HANDLE
13 3AB-05131-0 * ROPE ANCHOR
14 3R3-05252-0 * STARTER LOCK
15 3R3-05216-0 * STARTER LOCK SPRING
16 3R3-05007-1 * FRICTION SPRING
17 3AC-05258-0 STARTER LOCK CAM SPRING
18 3AC-05207-0 STARTER LOCK WIRE
19 3NV-67503-0 STARTER SEAL
20 3AL-60108-0 PRE-COATED BOLT 6-20
21 3C8-66308-0 WASHER 6-16-1.5
22 3F3-76042-2 NUT
23 3R3-06308-0 BELT COVER
24 3R0-06303-1 COLLAR 6.2-9-12.3
25 3BJ-06283-0 COLLAR 6.1-9-7.4
26 910103-0620 BOLT
27 910103-0625 BOLT
28 3PA-72181-1 CAUTION DECAL (B)
Fig.08 MAGNETO (34 parts) Fig.08 MAGNETO
Ref OEM Part # Part Name
1 3AD-06101-0 FLYWHEEL ASSY
2 3AC-06123-0 ALTERNATOR ASSY
3 334-00131-0 KEY 19-7-5
4 353-00132-0 NUT 18-P1.5
5 353-00133-0 WASHER 19-34-3
6 3AC-01047-0 PLUG
7 3AD-06864-0 PRE-COATED BOLT 6-25
8 3AC-06008-1 COIL BRACKET
9 3AC-06864-0 PRE-COATED BOLT 6-30
10 3AC-06071-0 PULSAR COIL #1
11 3AD-06071-0 PULSAR COIL #2
12 910103-5512 BOLT
14 398-06972-0 CLAMP 6.5-67P
15 910103-5612 BOLT
16 3NW-06401-0 ECU ASSY (25)
17 3AC-03169-0 * PLUG
18 910103-0616 BOLT
20 3T4-06972-1 CLAMP 6.5-87P
21 3AC-10204-0 ECU BRACKET ASSY
22 3AC-06920-0 RUBBER MOUNT 11.8-14-1.5
23 3C8-66308-0 WASHER 6-16-1.5
24 3A0-76079-0 COLLAR 6.2-9-7.4
25 910103-0620 BOLT
26 3AC-06133-0 PROTECTOR φ8-22
27 3NW-10205-0 ECU CORD ASSY
28 3A3-76037-0 CABLE TERMINAL PLUG
30 3T5-84398-0 BAND 104
32 369-84398-0 BAND 158
33 3AC-76091-0 LEAD WIRE BAND 200
34 3AC-06469-0 IGNITION COIL W/R-CAP
35 3AC-06999-0 * PLUG CAP W/RESISTANCE
36 910103-5620 BOLT
37 3PR-06972-0 CLAMP 6.5-47.5P
38 336-76091-0 LEAD WIRE BAND 100
Fig.09 ELECTRIC PARTS (60 parts) Fig.09 ELECTRIC PARTS
Ref OEM Part # Part Name
1 3H6-07611-0 OIL PRESSURE SWITCH
2 3KY-07612-0 GROMMET
3 3AC-07613-0 OIL PRESSURE SWITCH LEAD WIRE L=160
4 3Y9-72514-0 WATER TEMPERATURE SENSOR
5 3G9-66136-0 * O-RING 2-10
6 3AC-76065-2 RECTIFIER COMPLETE
8 3AC-76066-0 FUSE WIRE ASSY
9 3T5-76247-0 * FUSE 20A
10 3A3-76037-0 CABLE TERMINAL PLUG
11 3RS-76010-0 STARTER MOTOR ASSY
12 3RS-76015-0 * PINION ASSY
13 3GF-75015-0 * WASHER
14 3GF-75014-0 * BRUSH HOLDER ASSY
15 921521-6408 * SCREW
16 3GF-75016-0 * BUSHING 1
17 3GF-75017-0 * BUSHING 2
18 3GF-75018-0 * O-RING
21 930203-0600 * NUT
22 3GF-75019-0 * BOLT
23 941321-0500 * SPRING WASHER
24 940221-0500 * WASHER
25 910103-5830 BOLT
26 3R0-76009-0 STARTER MOTOR BAND
27 3C8-76007-0 DAMPER
28 910103-5820 BOLT
29 3AC-76120-0 BATTERY CABLE L=2500
30 3AA-76145-0 TERMINAL CAP 13-13-28
31 3R3-76141-0 STARTER CABLE L=270
33 3Y0-76145-0 TERMINAL CAP 8-18-28
34 910103-5612 BOLT
35 3AC-06901-0 BRACKET
36 3T5-84398-0 BAND 104
38 3AC-10211-0 ISC VALVE
39 940103-0600 WASHER
41 3AC-02501-0 PLATE
42 3AC-06920-0 RUBBER MOUNT 11.8-14-1.5
43 3A0-76079-0 COLLAR 6.2-9-7.4
44 3C8-66308-0 WASHER 6-16-1.5
45 910103-0620 BOLT
46 3AC-62004-0 CORD HOLDER
47 910103-5625 BOLT
48 3AC-76171-0 OVERHEAT BUZZER
49 3AC-10215-0 MAT SENSOR
50 3AC-04319-0 GROMMET 8-2.5
51 3AC-06135-0 HOLDER
52 3H8-76040-0 STARTER SOLENOID
53 910103-5610 BOLT
54 3AC-72580-0 PTT SOLENOID SWITCH (A)
55 3AC-72581-0 PTT SOLENOID SWITCH (B)
56 930103-0600 * NUT
57 941303-0600 * SPRING WASHER
58 3C7-72583-0 SOLENOID SWITCH CORD (B) L=150
59 3C8-72583-1 SOLENOID SWITCH CORD (B) L=150
60 3Y1-76145-0 TERMINAL CAP 8-13-28
61 3AC-72569-0 EXTENSION CORD (PTT)
63 3AC-06919-0 COVER ASSY
64 309-65032-0 GROMMET 10.2-8
65 910103-5616 BOLT
66 910103-5620 BOLT
67 3AC-72028-0 WIRING DIAGRAM DECAL
Fig.10 DRIVE SHAFT HOUSING (36 parts) Fig.10 DRIVE SHAFT HOUSING
Ref OEM Part # Part Name
1 3NVB01300-0 ENGINE BASEMENT ASSY
2 3V2-07620-0 PLUNGER ASSY
3 3R3-07710-1 OIL STRAINER ASSY
4 98AH-95-220 HOSE
5 369-84398-0 BAND 158
6 3AC-07421-0 OIL LEVEL GAUGE
7 346-01215-0 OIL SEAL 16-28-6
8 3R0-61012-0 DRIVE SHAFT HOUSING GASKET
9 3R0-67116-0 ENGINE BASEMENT SEAL
10 345-01111-0 DOWEL PIN 6-12
11 3AEQ61192-3 DRIVE SHAFT HOUSING (L)
12 3R0-65207-0 WATER PIPE STOPPER
13 3R3-07705-1 DRAIN BOLT 14-14
14 3R3-07406-0 WASHER 14.5-24-1
15 3B7-61017-3 BOLT 8-105
16 3R0-61017-1 BOLT 8-40
17 9401E3-0800 WASHER
18 3R0Q61028-0 COVER
19 3R0-61029-0 GASKET
21 345-06915-0 CLAMP 6.5-14L
22 3ACQ61208-0 IDLE EXHAUST PORT COVER
23 3AC-62114-0 PLATE
24 3R0-61207-0 IDLE EXHAUST PORT GASKET
25 3AC-61220-1 IDLE EXHAUST PORT GASKET
26 9101E3-5620 BOLT
27 3AC-61182-0 GROMMET
28 3NVQ61210-0 APRON
29 3F3-67213-1 SEAL L=263
30 3T1-61213-0 SEAL
31 3AC-61217-0 TAPPING SCREW M6-60
32 9401E3-0600 WASHER
33 3NV-61212-0 GROMMET
34 346Q61110-5 EXTENSION HOUSING
35 9161E3-0835 BOLT
36 9161E3-0845 BOLT
37 3P0-66233-0 WASHER 8.1-16-1.5
Fig.11A GEAR CASE (DRIVE SHAFT) (48 parts) Fig.11A GEAR CASE (DRIVE SHAFT)
Ref OEM Part # Part Name
1 3AEQ60000-2 GEAR CASE ASSY
2 3AE-60211-0 * ROLLER BEARING 20-27-30
3 332-60005-2 PLUG 8-8
4 332-60006-0 GASKET 8.1-15-1
5 3C8-60217-1 TRIM TAB
6 910103-5620 BOLT
7 369-60206-0 WATER STRAINER
8 9218E3-0620 SCREW
9 3NV-64020-0 BEVEL GEAR B
10 346-64027-1 NUT
11 346-64327-0 DRIVE SHAFT SPRING
12 346-64328-0 DRIVE SHAFT SPRING GUIDE
13 3R0-64301-0 DRIVE SHAFT (S)
14 346-60213-0 TAPERED ROLLER BEARING 32004
15 3NV-65021-0 WATER PUMP IMPELLER
16 332-65022-0 KEY 20-4.6-2
17 3R0-65016-0 PUMP CASE (UPPER)
18 3R0-65011-0 PUMP CASE LINER
19 3B7-65014-0 WATER PIPE SEAL (LOWER)
20 346-65017-2 PUMP CASE (LOWER)
21 346-65013-0 OIL SEAL 17-30-9
22 348-65029-1 GUIDE PLATE GASKET
23 3R0-65018-0 PUMP CASE GASKET
24 334-65012-0 DOWEL PIN 4-10
25 336-62415-0 O-RING 3.5-36
26 3AC-65025-0 WATER PUMP GUIDE PLATE
27 9101E3-5652 BOLT
28 346-64084-0 SHIM 35-41.9-0.5
29 3NV-66014-0 CAM ROD (UL)
30 3AC-66011-1 CLUTCH CAM
31 951407-0312 SPRING PIN 3-12
32 3R0-66031-0 CAM ROD BUSHING
33 332-66021-0 O-RING 2.4-5.8
34 3C8-66032-0 O-RING 3.5-21.7
35 9101E3-5612 BOLT
36 3R0-66308-0 WASHER 6-16-1.5
37 346-66037-0 CAM ROD HOLDER
38 9161E3-0840 BOLT
39 9161E3-0845 BOLT
40 9153E3-0830 STUD
41 9301E3-0800 NUT
42 9401E3-0800 WASHER
43 3R0-65120-0 WATER PIPE (UL)
44 3R0-65206-0 WATER PIPE SEAL (UPPER)
45 98AM120-015 HOSE
46 3A1-60235-0 WATER STRAINER SET
47 930403-0400 * NYLON NUT 4-P0.7
48 9215E3-0430 * SCREW
Fig.11B GEAR CASE (PROPELLER SHAFT) (26 parts) Fig.11B GEAR CASE (PROPELLER SHAFT)
Ref OEM Part # Part Name
1 346-60215-0 TAPERED ROLLER BEARING 30205
2 349Q60100-7 PROPELLER SHAFT HOUSING ASSY
3 346Q60101-8 * PROPELLER SHAFT HOUSING
4 346-60102-0 * ROLLER BEARING 18-25-2.5
5 9601-0-6205 * BALL BEARING 6205
6 332-60103-0 * O-RING 3-62.5
7 3AC-60111-0 * OIL SEAL 18-28-8
8 9101E3-5830 BOLT
9 3NV-64010-0 BEVEL GEAR ASSY (A)
10 369-64082-1 SHIM 26.5-34.8-0.15
11 3NV-64030-0 BEVEL GEAR C
12 346-64032-0 WASHER 18-24-1.5
13 346-64211-6 PROPELLER SHAFT
14 3AC-64215-1 CLUTCH
15 346-64218-0 PIN
16 332-64221-0 SPRING
17 350-64222-1 SPRING RETAINER
18 346-64219-0 SNAP
19 3C8-64223-1 PUSH ROD
20 965002-0803 BALL 3/8
21 3R0B64527-1 PROPELLER ASSY (13)
22 3NV-87326-0 PROPELLER HARDWARE KIT
23 3NV-64231-0 * THRUST HOLDER 4D
24 346-64124-5 * WASHER 12.5-32-2.5
25 346-64121-5 * PROPELLER NUT
26 951503-0322 * SPLIT PIN 3-22
Fig.12 BRACKET (MANUAL TILT) (93 parts) Fig.12 BRACKET (MANUAL TILT)
Ref OEM Part # Part Name
1 3AEQ62112-3 CLAMP BRACKET (R)
2 3AEQ62113-3 CLAMP BRACKET (L)
3 3B7-60218-1 ANODE
4 910103-5630 BOLT
5 3H8-72049-0 CO-PILOT DECAL
6 3AC-62191-0 SWIVEL BRACKET SHAFT ASSY
7 346-62127-0 CAP NUT
8 349-62126-0 BUSHING
9 346-62124-1 NYLON NUT 7/8-14
10 346-62117-1 DISTANCE PIECE
11 930103-0600 NUT
12 9401E3-0600 WASHER
13 345-62121-1 THRUST ROD
14 345-62122-2 THRUST ROD SPRING
15 3AEQ62310-2 SWIVEL BRACKET
16 344-67177-1 GREASE FITTING
17 3C8-62396-1 GROUND L=210
18 398-62396-1 GROUND L=130
20 3AC-62450-0 FRICTION LEVER ASSY
21 3AC-63012-0 * GRIP
23 3R3-62443-0 WASHER 8.1-20-0.8
24 3R3-62445-0 BOLT M8 P1.25
25 3R3-62448-1 WASHER 8.5-38-3
26 3R3-62449-0 DISC 8.5-38-2
27 930403-0800 NYLON NUT 8-P1.25
29 3AHQ62010-0 STEERING SHAFT ASSY
30 3AC-62447-0 PLATE
31 910103-5616 BOLT
32 3AC-63619-0 COLLAR 6.5-10.7-6.5
33 353-62417-0 BUSHING 30-36-41
34 353-62423-1 THRUST PLATE (UPPER) 31-50-2
35 353-62415-0 O-RING 3.5-29.7
36 945103-2800 C-RING d=28
37 3AEQ61411-1 MOUNT BRACKET
38 3C8-61336-0 DAMPER (LOWER)
39 3C8-61302-1 RUBBER MOUNT (LOWER)
40 3R0-61321-0 BOLT 12-143
41 353-61334-0 WASHER 13-34-3
42 3C7-61338-0 DAMPER 21-36-5
43 3R0-61324-0 NYLON NUT 12-P1.25
44 9402E3-1200 WASHER
45 3R0Q61342-0 MOUNT HOLDING PLATE (LOWER)
46 9101E3-5620 BOLT
47 3A3-62396-1 GROUND L=110
48 910103-5612 BOLT
49 3R0-61301-1 RUBBER MOUNT (UPPER)
50 3R0-61307-0 BOLT 10-111
51 930103-1000 NUT 10-P1.5
52 3R0-61333-0 DAMPER (UPPER)
53 3R0-61337-1 DAMPER (UPPER)
54 3R0-61323-0 LOCK PLATE
55 345-61322-2 WASHER 10.1-18-2.5
56 3R0-61335-0 LOCK PLATE
57 3R0-61312-1 RUBBER MOUNT RETAINER
58 9101E3-0620 BOLT
59 349Q62993-2 TILT STOPPER
60 951403-0640 SPRING PIN
61 346-62437-0 BUSHING 10.2-12-29.5
62 3AC-62439-0 SETTING PLATE
63 3AC-63201-0 BOLT 10-25
64 3C8-62421-1 FRICTION SPRING
65 346-62438-0 SETTING PIECE
66 346-66322-0 REVERSE LOCK
67 349-66313-0 REVERSE LOCK ARM
68 336-66319-1 PIVOT BOLT
70 346-66321-0 REVERSE LOCK ROD
71 951503-0212 SPLIT PIN 2-12
72 3P0-66311-0 REVERSE LOCK LEVER
73 3AL-66333-0 REVERSE LOCK LEVER GRIP
74 346-66334-0 STOPPER
75 3AL-05254-0 SHOULDER BOLT 6-8
76 940103-0800 WASHER
77 3AL-05212-0 BUSHING 8.1-20
78 3AA-83719-0 WASHER 8.5-18-1.6
79 3R0-66308-0 WASHER 6-16-1.5
80 349-66312-0 REVERSE LOCK LINK
81 346-66323-1 REVERSE LOCK LEVER SPRING
82 3R0-66332-0 REVERSE LOCK SPRING (L)
83 3R3Q62001-0 STEERING BRACKET
84 3R3-62094-2 BOLT 10-80
85 9401E3-1000 WASHER
87 3AC-72120-0 RIGGING BOLT SET
88 9161E3-0885 * BOLT
89 9401E3-0800 * WASHER
90 9301E3-0800 * NUT
91 3RSQ62105-0 CLAMP SCREW KIT
92 3RSQ62108-0 * CLAMP SCREW ASSY
93 3RS-62106-0 ** CLAMP SCREW
94 3RSQ62102-0 ** CLAMP SCREW HANDLE
95 951403-0622 ** SPRING PIN
96 332-62101-1 * CLAMP SCREW PAD
97 945303-0600 * E-RING d=6
98 3NV-62415-0 O-RING
Fig.13 BRACKET (PTT ・ GAS ASSIST) (48 parts) Fig.13 BRACKET (PTT ・ GAS ASSIST)
Ref OEM Part # Part Name
1 3AFQ77211-1 CLAMP BRACKET (PTT-R)
2 3AFQ77212-2 CLAMP BRACKET (PTT-L)
3 398-62396-1 GROUND L=130
4 910103-5612 BOLT
5 3B7-60218-1 ANODE
6 910103-5630 BOLT
7 3AD-62191-0 SWIVEL BRACKET SHAFT ASSY
8 3C8-77213-0 BUSHING
9 3R0-77118-0 PTT THRUST ROD
10 951603-1000 SNAP PIN
11 3ACQ77208-2 SWIVEL BRACKET ASSY
12 353-63207-0 COLLAR 10.2-12-12
13 3R0-62473-0 TILT STOPPER SPRING
14 3AC-77151-1 PT ASSY
15 1H2-31534-0 BAND LEAD WIRE 300
16 3KY-77071-0 CYLINDER PIN (UPPER)
17 3R0-77075-0 BUSHING 13-16-40
18 3R0-77076-0 BUSHING 13-17-19.5 13-17-19.5
19 910103-0612 BOLT
20 345-05122-1 WASHER 6.5-23-1.5
21 3KY-77101-0 CYLINDER PIN (LOWER)
22 3C8-77076-1 BUSHING 18-24-22
23 3R0-77112-0 WASHER 18.2-34-1
24 945103-1800 C-RING d=18
25 336-06973-0 CLAMP 6-9.5L
26 345-06915-0 CLAMP 6.5-14L
27 921503-5612 SCREW
28 3Y1-76145-0 TERMINAL CAP 8-13-28
29 3R0Q77601-2 GAS SHOCK ABSORBER
30 3R0-66311-0 REVERSE LOCK LEVER
31 3AL-66333-0 REVERSE LOCK LEVER GRIP
32 346-66334-0 STOPPER
33 3V2-60001-0 BOLT 6-35
34 940103-0600 WASHER
35 930103-0600 NUT
36 3R0-77105-0 COLLAR 18.2-21.7-30
37 3AD-72120-0 RIGGING BOLT SET
38 3C7-62133-2 * BOLT 12-105 P1.25
39 353-61334-0 * WASHER 13-34-3
40 3C7-62139-1 * NUT 12-P1.25
41 9401E3-1200 * WASHER
42 3GF-62466-1 TILT STOPPER KIT
43 951403-3516 * SPRING PIN 3.5-16
44 369-62433-1 * TILT STOPPER GRIP
45 3C8-77217-0 CLAMP SCREW KIT
46 3C8-77216-0 * CLAMP SCREW (PTT)
47 332-62101-1 * CLAMP SCREW PAD
48 3C8-62107-0 * SHOULDER BOLT
Fig.14 POWER TILT (34 parts) Fig.14 POWER TILT
Ref OEM Part # Part Name
1 3AC-77175-0 MANUAL VALVE ASSY
2 3R0-77409-0 * SEAL SET
3 3R0-77177-0 * O-RING 2.4-9.8
4 3Z5-77171-0 C-RING
5 3AD-77367-0 JOINT
6 3AC-77374-0 NUT
7 3AC-77382-0 DUST SEAL
8 3AC-77384-0 O-RING 2.4-12.3
9 3AC-77361-0 CYLINDER
10 3AC-77363-0 INNER TUBE
11 3AC-77365-0 PISTON ROD ASSY
12 3AC-77375-0 O-RING 2-28.5
13 3AC-77377-0 FREE PISTON
14 3AC-77376-0 BACK-UP RING
15 3AC-77398-0 O-RING 2.4-27.7
16 3AC-77392-0 O-RING 2-43.5
17 3AC-77383-0 O-RING 2-34.5
18 3AC-77173-0 SEAL WASHER
19 3AC-77453-0 VALVE SEAT
20 3R0-77451-0 O-RING 1.5-3.5
21 3R0-77457-0 BALL
22 3AC-77454-0 SPRING SEAT
23 3R0-77455-0 SPRING
24 3B7-77433-0 O-RING 1.5-6.5
25 3R0-77430-0 PUMP
26 3B7-77431-1 BOLT
27 3E0-77163-0 COUPLING
28 3AC-77180-0 MOTOR ASSY
29 3R0-77167-0 O-RING 2-62.5
30 3C8-77182-0 O-RING 2.4-66.6
31 3R0-77165-0 RESERVE TANK
32 3R0-77159-0 BOLT
33 3R0-77168-0 CAP
34 3R0-77169-0 O-RING 1.9-9.8
Fig.15 TILLER HANDLE (22 parts) Fig.15 TILLER HANDLE
Ref OEM Part # Part Name
1 3ACQ63005-1 TILLER HANDLE SUB-ASSY
3 3B2-63104-1 * STUD
4 3R3-63012-0 * GRIP
5 3R3-63041-0 * THROTTLE SHAFT
6 345-63048-0 * THROTTLE SHAFT DAMPER
7 350-63046-0 * BUSHING 8.4-10-11
8 921803-0525 * SCREW
9 3B2-63063-0 * THROTTLE SHAFT SUPPORT
10 9215E3-0612 * SCREW
11 3V1-63035-1 * FRICTION PIECE
12 3V1-63077-0 * ADJUSTING NUT
13 3V1-63036-0 * SPRING
14 9101E3-0625 * BOLT
15 350-67154-0 * PLASTIC RIVET 6.5
16 3AC-72019-0 * THROTTLE DECAL
17 3R3-63102-0 BUSHING
18 3R3-63108-0 WASHER 39-52-1
19 3R3-63109-0 WAVE WASHER 39.5-52-1.2
20 3R3-63107-0 COVER
21 3NW-63600-0 THROTTLE WIRE
22 940103-0600 WASHER
23 930103-0600 NUT
Fig.16 BOTTOM COWL (50 parts) Fig.16 BOTTOM COWL
Ref OEM Part # Part Name
1 3NVQ67100-0 BOTTOM COWL
2 346-67113-0 MOUNT 8.5-14-2.5
3 346-67114-1 SPACER 6.2-9-15.7
4 3NV-67141-0 HOOK LEVER
5 338-67147-0 SEAL RING 13.8-22-3.7
7 350-67105-0 HOOK LEVER BUSHING 14-16.5-17.7
8 941403-1400 WAVE WASHER d=14
9 3NV-67142-0 COVER HOOK
10 9101E3-0612 BOLT
11 3R0-66308-0 WASHER 6-16-1.5
12 344-67177-1 GREASE FITTING
13 3R3-67162-0 GROMMET 25-15-3
14 345-67117-0 GROMMET 17-2.7
15 3KY-67117-0 GROMMET
16 3NW-63624-0 GROMMET
17 3NV-63624-0 GROMMET
18 394-70260-0 FUEL CONNECTOR (MALE)
19 3H6-70262-0 FUEL CONNECTOR PROTECTOR
21 98AB-50-370 HOSE
22 338-02215-0 CLIP φ10
23 98AR-50-480 HOSE
24 3T1-01138-0 NIPPLE 6-8-11
25 3R3-71040-0 PILOT LAMP ASSY
26 398-06830-0 STOP SWITCH ASSY
27 353-06821-0 * STOP SWITCH LANYARD ASSY
28 3AC-72200-0 STOP SWITCH DECAL
29 3KY-72618-0 GROMMET
30 3T1-72403-0 FLUSHING CONNECTOR
31 3R0-07422-0 O-RING 3.1-24.4
32 3T1-72404-0 FLUSHING CONNECTOR CAP
33 3FW-72410-1 FLUSHING HOSE
34 3T1-07737-1 CLIP φ17.8
35 3F3-72616-1 GASKET
36 3NV-72617-0 PTT SWITCH ASSY BRACKET
38 3NV-63628-0 CLAMP
40 3AA-76026-0 MAIN SWITCH ASSY
41 3NV-76080-0 NEUTRAL SWITCH
42 398-76083-0 NEUTRAL SWITCH ACTUATOR
43 3NV-76081-0 NEUTRAL SWITCH BRACKET
44 9101E3-5616 BOLT
45 338-67163-0 GROMMET 18-2.5
46 3AC-72615-0 PTT SWITCH ASSY
47 3NW-04055-0 LOW PERMEATION HOSE
48 3GT-35143-0 CLIP φ9.4
49 9101E3-0630 BOLT
50 346-67115-0 WASHER 6.5-21-1
51 3AC-76190-0 WARNING DECAL
52 3NVQ67483-0 REMOTE CONT CABLE STAY
53 3NV-67578-1 SHIFT DECAL
54 9101E3-5630 BOLT
Fig.17 SHIFT ・ THROTTLE (26 parts) Fig.17 SHIFT ・ THROTTLE
Ref OEM Part # Part Name
1 3Y3-66110-0 SHIFT LEVER
2 3H6-63619-1 COLLAR 6.5-10.5-10
3 346-67115-0 WASHER 6.5-21-1
4 9101E3-0625 BOLT
5 3NVQ67480-0 SHIFT LEVER BRACKET
6 9101E3-5616 BOLT
7 3NW-66134-0 SHIFT LEVER ROD
10 3NV-66130-0 SHIFT LEVER SHAFT ASSY
11 3GF-66113-1 SHIFT LEVER STOPPER
12 3C8-66117-0 SHIFT DETENT SUPPORTER
13 3V1-66145-0 HOLDER
15 9101E3-5612 BOLT
16 3NV-63621-0 GROMMET
17 3NV-63508-0 THROTTLE WIRE BRACKET
18 3NV-63622-0 THROTTLE DRUM ASSY
19 3KY-76079-0 COLLAR 6.5-10.5-9.3
20 3C8-66308-0 WASHER 6-16-1.5
21 910103-0620 BOLT
22 3NV-63617-0 THROTTLE ROD
23 3R0-66211-0 SHIFT ROD
24 3AL-66241-1 SHIFT ROD JOINT
25 951403-0312 SPRING PIN 3-12
26 3M2-66226-0 GROMMET 17-3
27 3B7-83715-2 CABLE JOINT
28 3AA-83719-0 WASHER 8.5-18-1.6
29 951603-0800 SNAP PIN d=8
Fig.18 REMOTE CONTROL (23 parts) Fig.18 REMOTE CONTROL
Ref OEM Part # Part Name
1 3NV-83880-1 REMOTE CONTROL FITTING ASSY
2 3NV-66122-0 * SHIFT ARM
3 3KY-76079-0 * COLLAR 6.5-10.5-9.3
4 3C8-66308-0 * WASHER 6-16-1.5
5 910103-5620 * BOLT
6 3NV-66134-0 * SHIFT LEVER ROD
7 3B7-83715-2 * CABLE JOINT
8 3AA-83719-0 * WASHER 8.5-18-1.6
9 951603-0800 * SNAP PIN d=8
10 3R0-66126-0 * BRACKET
11 3NV-83734-0 * CABLE CLIP
12 9101E3-5616 * BOLT
13 3NV-83732-0 * GROMMET
14 345-67117-0 * GROMMET 17-2.7
15 3NV-83830-0 * STEERING HOOK PLATE
16 910103-1030 * BOLT
17 940103-1000 * WASHER
18 3FW-84905-0 DRAG LINK ASSY
19 353-84918-0 * NYLON NUT 3/8-24UNF
20 353-84916-0 * WASHER 9.6-18-2
21 3F3-84908-0 * SEAL RING
22 3FW-84914-0 * SPACER 9.6-19-26.5
23 3E0-84917-0 * BOLT 3/8-50
Fig.19 TOP COWL (10 parts) Fig.19 TOP COWL
Ref OEM Part # Part Name
1 3NVQ67645-1 TOP COWL ASSY
2 3NVQ67640-0 * TOP COWL SUB-ASSY
3 3NV-67501-0 ** TOP COWL SEAL
4 3R0-67517-0 ** ROLLER 6.1-14.7-14
5 945303-0500 ** E-RING d=5
6 346-67115-0 ** WASHER 6.5-21-1
7 3NW-87801-1 * DECAL SET (MFS25C)
8 3KZ-67531-0 * FRONT DECAL
9 3R0-72180-0 CAUTION DECAL (A)
10 3AC-72185-0 CAUTION DECAL
Fig.20 FUEL TANK (22 parts) Fig.20 FUEL TANK
Ref OEM Part # Part Name
1 3H6-70200-2 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 3GR-70280-0 * FUEL CONNECTOR MARK
9 3GF-70281-0 * FUEL CONNECTOR
10 3GR-70250-0 * FUEL CONNECTOR
11 332-70201-0 * CLAMP
12 3KZ-70177-0 FUEL TANK ASSY 25L
13 3NV-70177-0 FUEL TANK ASSY 25L
14 3RS-70020-0 * FUEL TANK CAP ASSY
14a 3RS-70021-0 ** TANK FILLER CAP GASKET
15 3AC-70052-1 * FUEL TANK CAP ASSY
16 3AC-70055-0 * RETAINING RING
19 3E0-70270-0 * QUICK-CONNECTOR (MALE)
22 3AC-70157-0 * FUEL PICK-UP ASSY W/GAUGE
23 3AC-70140-0 * SCREW
24 3AC-70145-0 * WASHER
25 3AC-70150-0 * GASKET
Fig.20A MULTI TILLER HANDLE (52 parts) Fig.20A MULTI TILLER HANDLE
Ref OEM Part # Part Name
1 3NVQ63000-1 TILLER HANDLE KIT
2 3NV-63600-0 * THROTTLE WIRE
3 3NV-66196-0 * SHIFT CABLE
4 3AH-63624-0 * GROMMET
5 398-06830-0 * STOP SWITCH ASSY
6 353-06821-0 ** STOP SWITCH LANYARD ASSY
7 3AH-72615-0 * PTT SWITCH ASSY
8 3GF-76020-0 * MAIN SWITCH ASSY
9 3GF-76219-0 ** MAIN SWITCH KEY
10 3GF-76205-0 ** MAIN SWITCH KEY COVERING CAP
11 3T5-76022-0 * MAIN SWITCH CAP (WATERPROOF)
12 3GF-72019-0 * THROTTLE DECAL
13 3GF-67578-1 * SHIFT DECAL
14 3GF-72200-0 * STOP SWITCH DECAL
15 3GF-84339-0 * INSTRUCTION DECAL
16 3GF-63320-0 * TILLER HANDLE COVER
17 3GF-63624-0 * GROMMET
18 3AH-76119-0 * CORD ASSY
19 3AHQ62000-0 * STEERING BRACKET ASSY
19a 3GF-65012-0 ** DOWEL PIN 8-16
20 9153E3-1040 * STUD M10-40
21 930403-1000 * NYLON NUT 10-P1.5
22 9401E3-1000 * WASHER
23 3GF-63201-0 * BOLT 10-80 P1.25
24 3GF-63305-0 * CONICAL SPRING WASHER 10.5-21-2.3
25 3GF-63025-0 * SPACER 10.5-23-9
26 3GF-63102-0 * BUSHING 10.5-12.7-13.5
27 3GF-63310-0 * LOCK NUT 10-P1.25
28 3GF-62004-0 * CORD HOLDER
29 3T5-06437-0 * TAPPING SCREW 6-16
30 3AC-62441-0 * FRICTION LEVER
31 3AC-63012-0 * GRIP
32 346-66334-0 * STOPPER
33 3R3-62443-0 * WASHER 8.1-20-0.8
34 3R3-62445-0 * BOLT M8 P1.25
35 3R3-62448-1 * WASHER 8.5-38-3
36 3R3-62449-0 * DISC 8.5-38-2
37 930403-0800 * NYLON NUT 8-P1.25
38 9401E3-0800 * WASHER
39 3AC-62447-0 * PLATE
40 910103-5616 * BOLT
41 3AC-63619-0 * COLLAR 6.5-10.7-6.5
44 3GF-63205-0 * SCREW SET
45 3GF-63193-0 * GRIP PARTS KIT
46 3GF-63062-0 * THROTTLE SHAFT KIT
47 3GF-63067-0 * THROTTLE LINK ASSY
48 3GF-63032-0 * THROTTLE FRICTION ASSY
49 3GF-66160-0 * SHIFT UNIT ASSY
50 3GF-66158-0 * SHIFT LEVER KIT
51 3GF-66198-0 * CABLE BRACKET KIT
52 3GF-76175-0 * BUZZER KIT
53 346-62127-0 * CAP NUT
Fig.21 COMPONENT PARTS OF REMOTE CONTROL (55 parts) Fig.21 COMPONENT PARTS OF REMOTE CONTROL
Ref OEM Part # Part Name
1 3U2B84340-0 REMOTE CONTROL HEAD ASSY(RC12B)
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 3U2-84339-0 * 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 3VK-63107-0 * COVER
47 3U2-63506-0 * HOLDER
48 3U2-84917-0 * BOLT
49 3U2-77367-0 * JOINT
50 3U2-72187-0 * CAUTION DECAL(SAGP)
51 3U2B84440-0 * FRONT HOUSING
52 3U2-84452-0 * TILT SWITCH PLUG
53 353-76037-0 * CABLE TERMINAL PLUG
54 3U2-06973-0 * CLAMP
55 3A3-81301-0 TWIN REMOTE CONTROL KIT
Fig.22 COMPONENT PARTS OF REMOTE CONTROL (ELECTRIC PARTS) (17 parts) Fig.22 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 3U2-84331-0 DECAL (LEVER)
7 3U2-84336-0 SHIFT POSITION DECAL
8 3A3-84398-0 BAND
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
14 353-06821-0 * 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.23 OPTIONAL PARTS・ACCESSORIES (1) (39 parts) Fig.23 OPTIONAL PARTS・ACCESSORIES (1)
Ref OEM Part # Part Name
1 3BJ-72100-0 TOOL KIT
2 3B7-72201-0 SAFETY ROPE φ5-1600
3 3AC-76160-2 RECTIFIER KIT
4 3AC-76065-2 * RECTIFIER COMPLETE
5 910103-5625 * BOLT
6 3AC-76161-0 * EXTENSION CORD L=3000
7 3T5-76247-0 ** FUSE 20A
7a 1E0-34093-0 ** CAP
8 3B7-72530-2 TACHOMETER ASSY
14 3N8-72640-1 TACHOMETER W/OIL LAMP
15 3B7-72658-0 * OIL BULB 12V-1.7W
16 3B7-72659-0 * METER BULB 12V-1.7W
17 3B7-72656-0 * METER DAMPER
18 3B7-72661-0 * FITTING PLATE
19 930103-0500 * NUT
20 941303-0500 * SPRING WASHER
21 361-72539-0 TACHOMETER LEAD WIRE L=6000
32 3E0-72529-0 VOLTMETER ASSY
35 3B7-72662-0 * FITTING PLATE
38 3E0-72524-0 HOUR METER ASSY
39 3B7-72657-0 * METER BULB 12V-1.7W
41 3B7-72664-0 * FITTING PLATE
44 3R0-72525-2 TRIM METER KIT
45 3T1-72571-0 * TRIM METER ASSY
46 3T1-72659-0 ** METER BULB 12V-1.7W
47 3T1-72653-0 ** METER BULB CAP
48 3B7-72655-0 ** METER DAMPER
49 3T1-72665-0 ** FITTING PLATE
50 941303-0400 ** SPRING WASHER
51 930203-0400 ** NUT
52 3Z4-72574-0 * TRIM SENSOR L=1700
53 910103-0620 * BOLT
54 3C8-66308-0 * WASHER 6-16-1.5
55 336-06973-0 * CLAMP 6-9.5L
56 921503-5612 * SCREW
57 3T1-72573-0 * EXTENSION CORD (TRIM SENSOR) L=6000
58 3R0-72537-1 METER LEAD WIRE L=2000
59 353-72548-0 ASSIST CORD (BLK) L=200
60 3T1-72405-0 HOSE JOINT (WATER-WORKS)
Fig.23A OPTIONAL PARTS (2) (6 parts) Fig.23A OPTIONAL PARTS (2)
Ref OEM Part # Part Name
1 3GL-72571-0 TRIM METER KIT
2 3GL-72524-0 HOUR METER ASSY
3 3GL-72529-0 VOLTMETER ASSY
4 3GL-72672-0 SPEEDOMETER KIT (60MPH)
5 3GL-72596-0 FUEL METER ASSY
6 3AD-72638-1 TACHOMETER KIT
Fig.23B OPTIONAL PARTS (3) (15 parts) Fig.23B OPTIONAL PARTS (3)
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
10 3NV-76133-0 INTERFACE CABLE
11 3KY-72573-0 EXTENSION CORD (TRIM SENSOR) L=6000
12 3KY-76132-0 BACKBONE CABLE L=5m
13 3KY-72638-0 TACHOMETER KIT
14 3NV-84556-1 PRE-RIGGING KIT(GENERIC FLUSH)
15 3AC-84560-1 * RIGGING CORD KIT
17 3NW-83880-0 * REMOTE CONTROL FITTING ASSY
Fig.24 ASSEMBLY・KIT PARTS (8 parts) Fig.24 ASSEMBLY・KIT PARTS
Ref OEM Part # Part Name
1 3NVQ87304-1 LOWER UNIT ASSY (UL)
2 3NWB87090-3 ENGINE SHORT BLOCK KIT
3 3R3-01144-0 * GASKET
4 3R0-87321-1 LOWER UNIT GASKET SET
5 3NV-87322-0 WATER PUMP REPAIR KIT
6 9101E3-5616 * BOLT
7 951407-0312 * SPRING PIN 3-12
8 9701-1-1103 * SPARK PLUG(DCPR6E)

100-Hour / Annual Service Checklist

Regular maintenance keeps your Tohatsu MFS25/30C 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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