Tohatsu MFS25/30B (2014) Parts & Diagrams

OEM and aftermarket replacement parts for Tohatsu MFS25/30B. Scroll down for exploded parts diagrams (25), specifications, and maintenance reference.

Tohatsu MFS25/30B (2014) Parts & Diagrams

🔎 Tohatsu MFS25/30B Reference Library — Exploded parts diagrams (25 diagrams), specifications, common issues, and maintenance checklist.

The Tohatsu MFS25/30B 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 MFS25/30B:

  • 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 MFS25/30B.

ASSEMBLY・KIT PARTS (7 parts) ASSEMBLY・KIT PARTS
Ref OEM Part # Part Name
1 3AEQ87304-4 LOWER UNIT ASSY (UL)
2 3AHB87090-3 ENGINE SHORT BLOCK KIT
3 3R3-01144-0 * GASKET
4 3R0-87321-1 LOWER UNIT GASKET SET
5 3R0-87322-0 WATER PUMP REPAIR KIT
6 9101E3-5820 * BOLT
7 951407-0312 * SPRING PIN 3-12
BOTTOM COWL (42 parts) BOTTOM COWL
Ref OEM Part # Part Name
1 3ADQ67100-0 BOTTOM COWL
2 346-67113-0 MOUNT 8.5-14-2.5
3 346-67114-1 SPACER 6.2-9-15.7
4 3R3Q67141-0 HOOK LEVER
5 338-67147-0 SEAL RING 13.8-22-3.7
6 350-67105-0 HOOK LEVER BUSHING 14-16.5-17.7
7 941403-1400 WAVE WASHER d=14
8 3R3-67142-0 COVER HOOK
9 3R0-66308-0 WASHER 6-16-1.5
10 353-67162-0 GROMMET
11 345-67117-0 GROMMET 17-2.7
12 338-67163-0 GROMMET 18-2.5
12a 3F3-72618-0 GROMMET
13 394-70260-0 FUEL CONNECTOR (MALE)
14 3H6-70262-0 FUEL CONNECTOR PROTECTOR
15 9101E3-5630 BOLT
16 98AB-50-300 HOSE
17 3AC-02165-0 FUEL HOSE W/PROTECTOR L=300
18 338-02215-0 CLIP φ10
19 3AB-35143-0 CLIP φ9.4
20 98AR-50-600 HOSE
21 3BA-01138-0 NIPPLE
22 9101E3-5616 BOLT
23 3R3-71040-0 PILOT LAMP ASSY
24 3AA-76026-0 MAIN SWITCH ASSY
25 361-76080-0 NEUTRAL SWITCH
26 398-76083-0 NEUTRAL SWITCH ACTUATOR
27 398-06830-0 STOP SWITCH ASSY
28 353-06821-0 * STOP SWITCH LANYARD ASSY
29 3AC-72615-0 PTT SWITCH ASSY
30 3F3-72616-1 GASKET
31 3F3-72617-1 PTT SWITCH ASSY BRACKET
32 9101E3-0630 BOLT
33 346-67115-0 WASHER 6.5-21-1
34 3H6-67572-0 STORAGE DECAL
35 3AC-76190-0 WARNING DECAL
36 3R0Q76118-0 SHIFT LEVER BRACKET COVER
37 3V9-67578-3 SHIFT DECAL
38 9101E3-5635 BOLT
39 9101E3-5650 BOLT
40 3R0-83732-0 GROMMET
41 3R0-63621-0 GROMMET
BRACKET (MANUAL TILT) (93 parts) BRACKET (MANUAL TILT)
Ref OEM Part # Part Name
1 3AEQ62112-2 CLAMP BRACKET (R)
2 3AEQ62113-2 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 9301E3-0600 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
25 3R3-62448-1 WASHER
26 3R3-62449-0 DISC
27 930403-0800 NYLON NUT 8-P1.25
29 3AHQ62010-0 STEERING SHAFT ASSY
30 3AC-62447-0 PLATE
31 9101E3-5616 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
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
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
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
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
86 3R0-63628-0 CLAMP
87 3AC-72120-0 RIGGING BOLT SET
88 9161E3-0885 * BOLT
89 9401E3-0800 * WASHER
90 9301E3-0800 * NUT
91 3AAQ62105-0 CLAMP SCREW KIT
92 3AAQ62108-0 * CLAMP SCREW ASSY
93 3AA-62106-0 ** CLAMP SCREW
94 332Q62102-1 ** CLAMP SCREW HANDLE
95 3C8-62104-2 ** RIVET 3-22
96 332-62101-1 * CLAMP SCREW PAD
97 3C8-62107-0 * SHOULDER BOLT
BRACKET (PTT ・ GAS ASSIST) (48 parts) 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 LEAD WIRE BAND 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
19 910103-0612 BOLT
20 345-05122-1 WASHER 6.5-23-1.5
21 3R0-77101-1 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
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 9401E3-0600 WASHER
35 9301E3-0600 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
COMPONENT PARTS OF REMOTE CONTROL (50 parts) COMPONENT PARTS OF REMOTE CONTROL
Ref OEM Part # Part Name
1 3B7Q84340-3 REMOTE CONTROL HEAD ASSY (RC5B)
2 921603-0512 * SCREW
3 353-76037-0 * CABLE TERMINAL PLUG
4 3A3-84432-0 * BUSHING
5 3A3-84375-0 * SCREW
6 3A3-84374-0 * SPACER
7 353-84371-0 * WASHER
8 930103-0600 * NUT
9 3A3-84383-0 * WASHER
10 3A3-84421-0 * ROLLER
11 3A3-84422-0 * THRUST PLATE
12 3A3-84431-0 * BUSHING
13 940103-0800 * WASHER
14 3A3-84442-0 * BOLT
15 353-84388-0 * DETENT ROLLER
16 3B7Q84312-0 * FREE THROTTLE LEVER
17 921503-0406 * SCREW
18 3A3-84423-0 * DETENT RETAINER
19 921603-0518 * SCREW
20 3A3-84307-0 * DETENT SPRING
21 3A3-84424-0 * FREE THROTTLE ROLLER
22 3A3-84426-0 * ROLLER RETAINER
23 3A3-84425-0 * FREE THROTTLE SPRING
24 3A3-84365-1 * THROTTLE ARM
25 3A3-84428-0 * THROTTLE FRICTION ARM
26 945303-0600 * E-RING d=6
27 353-84394-0 * WASHER
28 3A3-84427-0 * ADJUST SCREW
29 3A3-84381-0 * SHIFT GEAR ASSY
30 3A3-83314-2 * CABLE TERMINAL
31 3A3-84364-2 * DRIVE GEAR
32 3A3-84429-0 * WIRE COVER
33 930103-0500 * NUT
34 910103-0525 * BOLT
35 3A3-84376-0 * GROMMET
36 3B7Q84441-0 * REAR HOUSING
37 3B7Q84366-0 * REAR PANEL
38 3A3-84401-0 * NEUTRAL LOCK ARM
39 3A3-84403-0 * NEUTRAL LOCK SPRING
40 3A3-84407-0 * WASHER
41 921503-0510 * SCREW
42 3A3-84451-0 * TILT SWITCH COVER
43 3A3-84404-0 * GRIP
44 3B7Q84343-0 * CONTROL LEVER
45 3A3-84452-0 * TILT SWITCH PLUG
46 3A3-84368-0 * WAVE WASHER
47 3A3-84391-0 * FREE THROTTLE DRUM
48 3A3-84435-0 * BUSHING
49 3A3-84406-0 * PLATE
50 3A3-81301-0 TWIN REMOTE CONTROL KIT
COMPONENT PARTS OF REMOTE CONTROL (ELECTRIC PARTS) (17 parts) COMPONENT PARTS OF REMOTE CONTROL (ELECTRIC PARTS)
Ref OEM Part # Part Name
1 353-76020-3 MAIN SWITCH ASSY
2 3F3-76219-0 * MAIN SWITCH KEY No.303
3 3A3-76086-1 NEUTRAL SWITCH (REMOTE CONT)
4 921503-5316 SCREW
5 3A3-72560-0 PTT SWITCH ASSY
6 921503-0206 SCREW
7 3A3-72591-0 PTT SWITCH COVERPTT
8 3C8-76171-0 OVERHEAT BUZZER
9 3A3-06830-0 STOP SWITCH ASSY
10 353-06821-0 * STOP SWITCH LANYARD ASSY
11 3A3-76115-1 CORD ASSY L=6200コード
12 353-72546-0 ASSIST CORD (RED) L=200
13 3N5-84331-0 DECAL (LEVER)
14 3N5-84333-0 DECAL (TOHATSU)
15 3N5-84336-0 SHIFT POSITION DECAL
16 3N5-84465-0 SHIFT POSITION SIDE DECAL
17 3A3-84398-0 BAND
CYLINDER HEAD・OIL PUMP (50 parts) CYLINDER HEAD・OIL PUMP
Ref OEM Part # Part Name
1 3AFB01000-0 CYLINDER HEAD COMPLETE
2 3ACB01001-1 * CYLINDER HEAD ASSY
3 9153F4-0635 * STUD
4 3AC-07010-1 * CAMSHAFT ASSY
5 3AD-07010-1 * CAMSHAFT ASSY
6 3H8-07025-0 * OIL SEAL 18-35-8
7 3AE-07235-0 * 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
17a 3AE-07895-0 * INTAKE VALVE KIT
17b 3AE-07901-0 ** INTAKE VALVE
18a 3AE-07896-0 * EXHAUST VALVE KIT
18b 3AE-07902-0 ** EXHAUST VALVE
18c 3AE-07921-0 ** RETAINER
18d 3AE-07923-0 ** COTTER
19 3AE-07203-0 * VALVE SPRING L=35
22 3H6-07205-0 * VALVE SPRING SEAT
23 3R3-07204-0 * INTAKE VALVE STEM SEAL
24 3R3-07206-0 * EXHAUST VALVE STEM SEAL
25 3AE-07600-0 * OIL PUMP ASSY
26 9101F4-0645 * BOLT
28 3R0-07639-0 * O-RING
29 3AD-01005-0 CYLINDER HEAD GASKET
30 3H8-01013-0 CYLINDER HEAD BOLT 8-60
31 345-01111-0 DOWEL PIN 6-12
32 9161F4-0653 BOLT
33 9401E3-0600 WASHER
34 3R0-01094-0 PLATE
35 910121-0612 BOLT
36 332-60005-2 PLUG 8-8
37 332-60006-0 GASKET 8.1-15-1
38 3ACB01020-0 CYLINDER HEAD COVER ASSY
39 3R0-01024-0 CYLINDER HEAD COVER GASKET
40 9101F4-5630 BOLT
41 3T4-06972-1 CLAMP 6.5-87P
42 3R0-07431-0 BREATHER CHAMBER COVER
43 921521-5508 SCREW
44 3R0-71015-1 OIL FILLER CAP
45 3R0-07422-0 O-RING 3.1-24.4
46 9701-1-1103 SPARK PLUG (DCPR6E)
47 3AC-07435-0 BREATHER HOSE
49 98AM120-290 HOSE
50 3R0-07737-1 CLIP φ15.5
CYLINDER・CRANK CASE (21 parts) CYLINDER・CRANK CASE
Ref OEM Part # Part Name
1 3ACB01100-0 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 3R0-07615-1 OIL FILTER
8 3R3-01030-0 THERMOSTAT
9 3H6B01031-0 THERMOSTAT CAP
10 346-01032-0 THERMOSTAT CAP GASKET
11 9101E3-5630 BOLT
12 3H8B01143-1 ANODE PLUG
13 3R3-01144-0 GASKET
14 369-60218-1 ANODE
15 910103-0616 BOLT
16 9101E3-5620 BOLT
17 3R0-01303-0 ENGINE BASEMENT GASKET
18 3AC-69000-0 STARTER LOCK CABLE BRACKET
19 9101E3-0612 BOLT
20 3C7-01513-2 HANGER
21 9101F4-5820 BOLT
DRIVE SHAFT HOUSING (36 parts) DRIVE SHAFT HOUSING
Ref OEM Part # Part Name
1 3ACQ01300-0 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 3AEQ61192-2 DRIVE SHAFT HOUSING (L)
12 3R0-65207-0 WATER PIPE STOPPER
13 3R3-07405-1 DRAIN BOLT 14-20
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
20 9101E3-5618 BOLT
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 3R0Q61210-0 APRON
29 3R0-61213-0 SEAL L=600
30 3AC-61217-0 TAPPING SCREW
31 9401E3-0600 WASHER
32 3R0-61212-0 GROMMET
33 346Q61110-5 EXTENSION HOUSING
34 9161E3-0835 BOLT
35 9161E3-0845 BOLT
36 3P0-66233-0 WASHER 8.1-16-1.5
ELECTRIC PARTS (62 parts) ELECTRIC PARTS
Ref OEM Part # Part Name
1 3H6-07611-0 OIL PRESSURE SWITCH
2 3H6-07612-0 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 3C8-76010-1 STARTER MOTOR ASSY
12 3C8-76015-0 * PINION ASSY
13 3C8-75015-0 * WASHER
14 3C8-75014-0 * BRUSH HOLDER ASSY
15 921521-6408 * SCREW
16 3C8-75016-0 * BUSHING
17 3C8-75017-0 * BUSHING
18 3C8-75018-0 * O-RING
19 940103-0600 * WASHER
20 941303-0600 * SPRING WASHER
21 930203-0600 * NUT
22 3C8-75019-0 * 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 9101E3-5820 BOLT
29 3AC-76120-0 BATTERY CABLE L=2500
30 3AA-76145-0 TERMINAL CAP
31 3R3-76141-0 STARTER CABLE L=270
33 3Y0-76145-0 TERMINAL CAP
34 910103-5612 BOLT
35 3AC-06901-0 BRACKET
36 3T5-84398-0 BAND 104
38 3AC-10211-0 ISC VALVE
39 9401E3-0600 WASHER
40 9301E3-0600 NUT
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 3R0-66308-0 WASHER 6-16-1.5
45 9101E3-0620 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
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 3C7-72583-0 SOLENOID SWITCH CORD (B) L=150
57 3C8-72583-1 SOLENOID SWITCH CORD (B) L=150
58 3Y1-76145-0 TERMINAL CAP
59 3AC-72569-0 EXTENSION CORD (PTT)
60 3AD-01047-0 PLUG
61 3AC-06919-0 COVER ASSY
62 309-65032-0 GROMMET
63 9101E3-5616 BOLT
64 9101E3-5620 BOLT
65 3AC-72028-0 WIRING DIAGRAM DECAL
FUEL SYSTEM (74 parts) 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
11a 3AD-04319-0 * GROMMET
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
18 3AC-03234-0 * SCREW
19 98AB-30-300 * HOSE
20 346-67115-0 WASHER 6.5-21-1
21 346-67113-0 MOUNT 8.5-14-2.5
22 3B7-06920-0 RUBBER MOUNT 8.5-14-2.5
23 346-67114-1 SPACER 6.2-9-15.7
24 9101E3-0630 BOLT
25 3T4-06972-1 CLAMP 6.5-87P
26 98AB-30-540 HOSE
27 3AC-10175-0 FUEL COOLER ASSY
28 3AC-10046-0 * O-RING 1.9-7.8
29 3AC-10164-0 * O-RING 1.9-6.8
30 921503-6410 * SCREW
31 9101E3-5635 BOLT
32 3AC-02239-0 PLATE
33 3AC-10019-0 GASKET
34 3ACB10143-0 HIGH PRESSURE FUEL FILTER
35 3AC-10145-0 FUEL FILTER RUBBER MOUNT
36 3AD-02209-0 LOW PERMEATION HOSE L=190
37 3AC-02209-0 LOW PERMEATION HOSE L=140
38 3AC-02210-0 LOW PERMEATION HOSE L=100
39 3AL-02210-0 LOW PERMEATION HOSE L=340
40 3AD-02210-0 LOW PERMEATION HOSE L=300
41 3AC-70013-0 PIPE JOINT
42 3AD-06157-0 PROTECTOR φ18-240
43 3AD-06133-0 PROTECTOR φ18-130
44 3AC-10087-0 CLAMP φ16.8
45 3AC-09056-1 CLIP φ13.5
46 3T5-10086-0 CLAMP 21/32
47 98AR-50-600 HOSE
49 3AC-10144-0 FUEL FILTER BAND
50 9101E3-5616 BOLT
51 3H8-04000-1 FUEL PUMP ASSY
52 3H8-62415-0 O-RING 3.5-25.7
53 9101E3-5625 BOLT
54 98AB-50-370 HOSE
55 98AB-50-600 HOSE
57 3AD-02165-0 FUEL HOSE W/PROTECTOR L=370
58 3AM-02165-0 FUEL HOSE W/PROTECTOR L=600
59 3AB-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
FUEL TANK (25 parts) 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 3C7-70177-1 FUEL TANK ASSY 25L
13 3AC-70177-2 FUEL TANK ASSY 25L
14 3C7-70050-1 * FUEL GAUGE VENT CAP ASSY (25L)
15 3AC-70052-1 FUEL TANK CAP ASSY
16 3AC-70055-0 * RETAINING RING
17 3AC-70352-1 * INSTRUCTION TAG
18 3C7-70155-0 * PICK-UP ELBOW ASSY (25L)
19 3E0-70270-0 * QUICK-CONNECTOR (MALE)
20 3C7-70199-0 * O-RING
21 3C7-70113-0 * FILTER
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
GEAR CASE (DRIVE SHAFT) (48 parts) 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
9 346-64020-1 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
15 345-65021-0 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 3R0-65025-0 WATER PUMP GUIDE PLATE
27 9101E3-5652 BOLT
28 346-64084-0 SHIM 35-41.9-0.5
29 3R0-66014-0 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
GEAR CASE (PROPELLER SHAFT) (26 parts) 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
9 346-64010-1 BEVEL GEAR ASSY (A)
10 369-64082-1 SHIM 26.5-34.8-0.15
11 3AC-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 3R0B64527-0 PROPELLER ASSY (13")
22 3R0-87326-0 PROPELLER HARDWARE KIT
23 346-64231-5 * THRUST HOLDER
24 346-64124-5 * WASHER 12.5-32-2.5
25 346-64121-5 * PROPELLER NUT
26 951503-0322 * SPLIT PIN 3-22
INTAKE MANIFOLD (55 parts) 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
16 3T5-10162-0 * O-RING 1.9-9.8
17 3T5-10169-0 * HOLDING PLATE
18 910103-5616 * BOLT
20 309-06972-0 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 9101E3-5616 BOLT
26 3AC-06920-0 RUBBER MOUNT 11.8-14-1.5
27 3R0-66308-0 WASHER 6-16-1.5
28 3A0-76079-0 COLLAR 6.2-9-7.4
29 9101E3-0620 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
35 910103-5625 BOLT
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 9101E3-0625 BOLT
42 346-67115-0 WASHER 6.5-21-1
43 3AC-10104-0 GASKET
44 9101E3-5625 BOLT
45 3AD-02409-0 INTAKE SILENCER ASSY
46 3AC-02418-0 GASKET
47 9101E3-5620 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 9101E3-5612 BOLT
56 3AD-02203-0 FUEL HOSE
MAGNETO (34 parts) MAGNETO
Ref OEM Part # Part Name
1 3AD-06101-0 FLYWHEEL ASSY
2 3AC-06123-0 ALTERNATOR ASSY
3 334-00131-0 KEY
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 3AH-06401-4 ECU ASSY (30)
17 3AC-03169-0 * PLUG
18 9101E3-0616 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 3R0-66308-0 WASHER 6-16-1.5
24 3A0-76079-0 COLLAR 6.2-9-7.4
25 9101E3-0620 BOLT
26 3AC-06133-0 PROTECTOR φ8-22
27 3AD-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
37 309-06972-0 CLAMP 6.5-47.5P
38 336-76091-0 LEAD WIRE BAND 100
OPTIONAL PARTS (2) (5 parts) 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
OPTIONAL PARTS・ACCESSORIES (1) (31 parts) OPTIONAL PARTS・ACCESSORIES (1)
Ref OEM Part # Part Name
1 3BJ-72100-0 TOOL KIT
2 3B7-72201-0 SAFETY ROPE φ6-1600
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
8 3B7-72530-2 TACHOMETER ASSY
14 3N8-72640-1 TACHOMETER W/OIL LAMP
15 3B7-72658-0 * OIL BULB 12V-1.7W
19 930103-0500 * NUT
21 361-72539-0 TACHOMETER LEAD WIRE L=6000
22 3E0-72644-0 SPEEDOMETER KIT (75MPH)
23 3E0-72649-0 * SPEEDOMETER ASSY (75MPH)
24 3B7-72659-0 ** METER BULB 12V-1.8W
25 3B7-72656-0 ** METER DAMPER
26 3B7-72661-0 ** FITTING PLATE
27 930203-0500 ** NUT
28 941303-0500 ** SPRING WASHER
29 3B7-72650-0 ** SPEEDOMETER TUBE L=6000
30 3B7-72651-0 ** SPEEDOMETER BAND
31 3B7-72643-0 * SPEEDOMETER SENSOR
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 941303-0400 * SPRING WASHER
45 3R0-72537-1 METER LEAD WIRE L=2000
46 353-72548-0 ASSIST CORD (BLK) L=200
47 336-60007-0 FLUSHING PLUG
PISTON・CRANK SHAFT (14 parts) 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 3R0-00040-0 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
POWER TILT (34 parts) 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
PULLEY・TIMING BELT (10 parts) PULLEY・TIMING BELT
Ref OEM Part # Part Name
1 3R0-10060-0 DRIVE PULLEY
2 3T5-10131-0 KEY t=4
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
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
RECOIL STARTER (28 parts) RECOIL STARTER
Ref OEM Part # Part Name
1 3AC-05090-0 RECOIL STARTER ASSY
2 3AC-05105-0 * 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 3R3-05138-0 * BOLT
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 3R3-05007-0 * FRICTION SPRING
17 3AC-05258-0 STARTER LOCK CAM SPRING
18 3AC-05207-0 STARTER LOCK WIRE
19 3BJ-67503-1 STARTER SEAL
20 3AL-60108-0 PRE-COATED BOLT 6-20
22 3F3-76042-2 NUT
23 3R3-06308-0 BELT COVER
24 3A0-76079-0 COLLAR 6.2-9-7.4
25 3R0-06303-1 COLLAR 6.2-9-12.3
26 9101E3-0620 BOLT
27 9101E3-0625 BOLT
28 3R0-66308-0 WASHER 6-16-1.5
29 3R0-72181-0 CAUTION DECAL (B)
REMOTE CONTROL (27 parts) REMOTE CONTROL
Ref OEM Part # Part Name
1 3E0-84905-0 DRAG LINK ASSY
2 3E0-84914-0 * SPACER
3 3E0-84917-0 * BOLT 3/8-50
4 353-84918-0 * NYLON NUT 3/8-24UNF
5 353-84916-0 * WASHER 9.6-18-2
6 3F3-84908-0 * SEAL RING
7 3AC-83880-2 REMOTE CONTROL FITTING ASSY
8 3AC-66122-0 * SHIFT ARM
9 353-76079-0 * COLLAR 6.2-9-9.3
10 3R0-66308-0 * WASHER 6-16-1.5
11 9101E3-0620 * BOLT
12 3C8-63733-0 * ROD SNAP 5-3
13 3R0-63709-0 * SHIFT LEVER ROD 4.5-40.5
14 3R0-83715-0 * CABLE JOINT
15 930103-0500 * NUT
16 3B7-83715-2 * CABLE JOINT
17 3AA-83719-0 * WASHER 8.5-18-1.6
18 951603-0800 * SNAP PIN d=8
19 3R0-66126-0 * BRACKET
20 3R0-83820-0 * CABLE CLIP ASSY
21 9101E3-5616 * BOLT
22 3R0-83830-0 * STEERING HOOK PLATE
23 910103-1030 * BOLT
24 940103-1000 * WASHER
25 3R0-83732-0 * GROMMET
26 3B7-01046-0 * PLUG
27 345-67117-0 * GROMMET 17-2.7
SHIFT ・ THROTTLE (25 parts) SHIFT ・ THROTTLE
Ref OEM Part # Part Name
1 3R0-66110-0 SHIFT LEVER
2 3R0-66128-0 SHIFT ARM
3 951703-0800 SNAP RETAINER d=8
4 3R3-66145-0 HOLDER
6 3R0-66134-0 SHIFT LEVER ROD
7 3R0-83715-0 CABLE JOINT
9 3AA-83719-0 WASHER 8.5-18-1.6
10 951603-0800 SNAP PIN d=8
11 3R0-66130-0 SHIFT LEVER SHAFT ASSY
12 3C8-66112-0 SHIFT LEVER STOPPER
13 3C8-66116-0 SHIFT LEVER STOPPER
14 3R0-66225-0 SHIFT ROD LEVER
15 3AC-63508-0 THROTTLE WIRE BRACKET
16 3AC-63622-0 THROTTLE DRUM ASSY
17 353-76079-0 COLLAR 6.2-9-9.3
18 3R0-66308-0 WASHER 6-16-1.5
19 9101E3-0620 BOLT
20 9101E3-5612 BOLT
21 3AC-63610-0 LINK ROD ASSY (THROTTLE)
22 3B7-05243-0 BALL JOINT CONNECTOR
23 930103-0500 NUT
24 3R0-66211-0 SHIFT ROD
25 3R0-66241-0 SHIFT ROD JOINT
26 951403-0312 SPRING PIN 3-12
27 3M2-66226-0 GROMMET 17-3
TOP COWL (11 parts) TOP COWL
Ref OEM Part # Part Name
1 3R0-72180-0 CAUTION DECAL (A)
2 3ACQ67645-6 TOP COWL ASSY
3 3ACQ67640-2 * TOP COWL SUB-ASSY
4 3R0Q67521-2 ** TILT HANDLE
5 3C8-66308-0 ** WASHER 6-16-1.5
6 930403-0600 ** NYLON NUT 6-P1.0
7 3AD-67501-0 ** TOP COWL SEAL
8 3R0-67517-0 ** ROLLER 6.1-14.7-14
9 945303-0500 ** E-RING d=5
10 3AD-87801-4 * DECAL SET (MFS25B)
11 3KY-67531-0 ** FRONT DECAL

100-Hour / Annual Service Checklist

Regular maintenance keeps your Tohatsu MFS25/30B 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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