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Tohatsu M70CX (2017) Parts & Diagrams
🔎 Tohatsu M70CX Reference Library — Exploded parts diagrams (23 diagrams), specifications, common issues, and maintenance checklist.
The Tohatsu M70CX is a 2-Stroke outboard motor. Suited for bay boats, pontoons, and center-console fishing boats requiring reliable mid-range power.
Quick Reference Specifications
| Specification | Value |
|---|---|
| Engine Type | 2-Stroke |
| Horsepower | 70 HP |
| Displacement | 938 |
| Bore x Stroke | 74 x 72.7 |
| Spark Plug (Type & Gap) | NGK B8HS-10 |
| Engine Oil Capacity | — |
| Recommended Engine Oil | TC-W3 Certified 2-Stroke Oil |
| Gear Case Oil Capacity | — |
| Idle Speed (in gear) | — |
| Full Throttle RPM Range | 5150-5850 |
| Fuel | Unleaded Gasoline, 87 Octane min. |
Always verify specifications against your owner's manual for your specific serial number range.
Common Issues & Recommended Parts
Below are common maintenance scenarios for the Tohatsu M70CX:
- Water Pump / Overheating: If the tell-tale stream is weak or absent, the water pump impeller likely needs replacement. Inspect annually or every 100 hours. → Recommended: Water Pump Impeller Kit
- Fuel System Issues / Hard Starting: Stale fuel and ethanol-related deposits are common in 2-stroke carbureted engines. Clean or rebuild carburetors and replace fuel lines if deteriorated. → Recommended: Carburetor Repair Kit, Fuel Line Assembly
- Spark Plug Fouling: 2-stroke engines are prone to spark plug fouling from oil residue, especially at low RPM. Replace plugs at each annual service. → Recommended: OEM Spark Plugs
- Gear Case Oil Leak: Check lower unit seals if gear oil appears milky (water contamination). Replace seals and gaskets during lower unit service. → Recommended: Lower Unit Seal Kit, Drain Plug Gaskets
- Thermostat Failure: A stuck thermostat can cause overheating or poor warm-up. Replace if operating temperature is inconsistent. → Recommended: Thermostat Assembly
Parts Diagrams & OEM Part Numbers
Expand the sections below to view detailed exploded parts diagrams and find the exact OEM replacement components for your Tohatsu M70CX.
▶ACCESSORIES (1) (21 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3F5-72050-0 | BUZZER CAUTION DECAL |
| 3 | 3C8-72100-1 | TOOL KIT |
| 4 | 3B7-72201-0 | SAFETY ROPE φ5-1600 |
| 21 | 3B7-72530-2 | TACHOMETER ASSY |
| 22 | 3B7-72659-0 | * METER BULB 12V-1.7W |
| 23 | 3B7-72656-0 | * METER DAMPER |
| 24 | 3B7-72661-0 | * FITTING PLATE |
| 25 | 930103-0500 | * NUT |
| 26 | 941303-0500 | * SPRING WASHER |
| 27 | 3B7-60007-0 | FLUSHING PLUG |
| 28 | 3A3-76114-0 | EXTENSION CORD L=2000 |
| 30 | 3F3-76180-0 | PRESSURE SWITCH ASSY |
| 31 | 346-67113-0 | MOUNT 8.5-14-2.5 |
| 32 | 3B7-06920-0 | RUBBER MOUNT 8.5-14-2.5 |
| 33 | 346-67114-1 | SPACER 6.2-9-15.7 |
| 34 | 346-67115-0 | WASHER 6.5-21-1 |
| 35 | 98AB-70-090 | HOSE |
| 36 | 338-02215-0 | CLIP φ10 |
| 37 | 910103-6630 | BOLT |
| 38 | 3B7-64231-2 | THRUST HOLDER |
| 39 | 3B7-64233-1 | STOPPER |
▶ACCESSORIES (2) (6 parts)
| 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-72598-0 | WATER PRESSURE METER KIT |
| 5 | 3GL-72672-0 | SPEEDOMETER KIT (60MPH) |
| 6 | 3GL-72596-0 | FUEL METER ASSY |
▶BOTTOM COWL (46 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3F5Q67100-0 | BOTTOM COWL |
| 2 | 345-67113-0 | MOUNT 12-18-2.5 |
| 3 | 3C7-67114-1 | SPACER 8.4-12-17 |
| 5 | 3F3-76116-0 | GROMMET |
| 6 | 3B7-77156-0 | GROMMET 41-14-3 |
| 7 | 3F3-72618-0 | GROMMET 47-2.5 |
| 9 | 3B2-63624-0 | GROMMET 19.8-2 |
| 10 | 345-66226-0 | GROMMET 17-3 |
| 11 | 3C8Q67141-0 | HOOK LEVER |
| 12 | 3C8-67146-0 | WASHER 14-22-1 |
| 13 | 338-67147-0 | SEAL RING 13.8-22-3.7 |
| 14 | 369-67105-0 | HOOK LEVER BUSHING |
| 15 | 941403-1400 | WAVE WASHER d=14 |
| 16 | 3C8-67142-1 | COVER HOOK |
| 18 | 3C8-66308-0 | WASHER 6-16-1.5 |
| 20 | 3BA-01138-0 | NIPPLE 6.8-3-10 |
| 21 | 98AB-50-480 | HOSE |
| 22 | 338-02215-0 | CLIP φ10 |
| 23 | 353-67512-0 | COVER STAY (FRONT) |
| 24 | 910103-6618 | BOLT |
| 36 | 3PR-06972-0 | CLAMP 6.5-47.5P |
| 37 | 3F3-66226-0 | GROMMET |
| 39 | 9101E3-0835 | BOLT |
| 40 | 3B7-63730-0 | WASHER 8.5-24-1.5 |
| 41 | 3F3Q76118-0 | CLAMP |
| 42 | 910103-5625 | BOLT |
| 44 | 346-67151-1 | CHOKE ROD |
| 45 | 3F5-67104-0 | SPACER 16.5-26-9 |
| 46 | 346-67104-0 | CHOKE ROD BUSHING |
| 47 | 346-63721-0 | BUSHING 6.2-16-5 |
| 48 | 951503-0212 | SPLIT PIN 2-12 |
| 49 | 3F5-67152-0 | CHOKE LEVER |
| 50 | 346-67196-1 | ROD SNAP 3-B |
| 51 | 3F5-67192-1 | CHOKE ROD 3-67.5 |
| 52 | 346-67153-0 | CHOKE LEVER BRACKET |
| 54 | 941403-0600 | WAVE WASHER d=6 |
| 55 | 930403-0600 | NYLON NUT 6-P1.0 |
| 56 | 910103-0614 | BOLT |
| 57 | 930103-0600 | NUT |
| 59 | 940103-0600 | WASHER |
| 60 | 910103-0612 | BOLT |
| 61 | 360-72025-0 | SPARK PLUG DECAL (B8HS10) |
| 62 | 353-72013-0 | CLUTCH DECAL |
| 63 | 353-83820-0 | CLIP |
| 64 | 941303-0600 | SPRING WASHER |
| 65 | 910103-0616 | BOLT |
▶BRACKET (54 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3E0-62191-1 | SWIVEL BRACKET SHAFT ASSY |
| 3 | 940103-0600 | WASHER |
| 4 | 346-62124-1 | NYLON NUT 7/8-14 |
| 5 | 3E0-62126-0 | BUSHING 25.6-28.6-40 |
| 6 | 346-62127-0 | CAP NUT |
| 7 | 3E0-62116-1 | WASHER 25.7-50-1 |
| 8 | 3E0Q62313-3 | SWIVEL BRACKET ASSY |
| 9 | 9101E3-5612 | * BOLT |
| 10 | 344-67177-1 | * GREASE FITTING |
| 11 | 3C8-62396-1 | GROUND L=210 |
| 12 | 3A3-62396-1 | GROUND L=110 |
| 13 | 398-62396-1 | GROUND L=130 |
| 15 | 910103-5612 | BOLT |
| 16 | 3F3Q62010-1 | STEERING SHAFT ASSY |
| 17 | 3B7-62417-0 | BUSHING 32-40-45 |
| 18 | 3B7-62423-1 | THRUST PLATE (UPPER) |
| 19 | 945103-3200 | C-RING d=32 |
| 20 | 3B7-62415-0 | O-RING 4.5-32 |
| 21 | 3B7-62414-0 | SEAL RING |
| 22 | 3F3Q61411-2 | MOUNT BRACKET |
| 23 | 3B7-61301-0 | RUBBER MOUNT (UPPER) |
| 24 | 3B7-61307-2 | BOLT 7/16-115 |
| 26 | 3B7-61335-0 | WASHER 11.5-32-3 |
| 27 | 3B7-61341-1 | MOUNT HOLDING PLATE (UPPER) |
| 28 | 9101E3-5835 | BOLT |
| 29 | 3B7-61339-0 | DAMPER (UPPER) |
| 30 | 910103-0625 | BOLT |
| 31 | 3C8-66308-0 | WASHER 6-16-1.5 |
| 32 | 353-61302-2 | RUBBER MOUNT (LOWER) |
| 33 | 353-61321-3 | BOLT M12-151 |
| 35 | 3C7-61338-0 | DAMPER 21-36-5 |
| 36 | 353-61315-1 | WASHER 12.2-25-2 |
| 37 | 3B7-61324-0 | NUT 12-P1.5 |
| 38 | 9402E3-1200 | WASHER |
| 39 | 3B7Q61342-0 | MOUNT HOLDING PLATE (LOWER) |
| 40 | 3N4-61343-0 | BOLT 8-25 |
| 41 | 353-61336-0 | DAMPER (LOWER) |
| 44 | 9102E3-1020 | BOLT |
| 45 | 9402E3-1000 | WASHER |
| 46 | 3E0-62121-1 | THRUST ROD |
| 47 | 3B7-62129-1 | PIN |
| 48 | 3C7-60218-2 | ANODE |
| 49 | 910103-5630 | BOLT |
| 50 | 3Y9-62431-1 | TILT STOPPER ASSY |
| 51 | 951403-3516 | * SPRING PIN 3.5-16 |
| 52 | 3T1-61315-0 | * WASHER 10.5-18-2 |
| 53 | 3Y9-62433-0 | * TILT STOPPER GRIP |
| 54 | 353-63207-0 | COLLAR 10.2-12-12 |
| 55 | 3E0-62473-1 | TILT STOPPER SPRING |
| 85 | 3C8-72120-0 | RIGGING BOLT SET |
| 86 | 3C7-62133-2 | * BOLT 12-105 P1.25 |
| 87 | 353-61334-0 | * WASHER 13-34-3 |
| 88 | 940103-1200 | * WASHER |
| 89 | 3C7-62139-1 | * NUT 12-P1.25 |
▶CARBURETOR (24 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3PN-03200-0 | CARBURETOR ASSY |
| 2 | 3PN-03207-0 | CARBURETOR ASSY (SECOND) |
| 3 | 3PN-03210-0 | CARBURETOR ASSY (THIRD) |
| 4 | 3F3-03221-0 | * FLOAT CHAMBER |
| 5 | 3F3-03222-0 | * FLOAT CHAMBER O-RING |
| 6 | 922503-6414 | * SCREW |
| 7 | 3F3-03231-0 | * FLOAT |
| 8 | 3F3-03232-0 | * FLOAT ARM PIN |
| 9 | 3B7-03240-0 | * FLOAT VALVE |
| 10 | 344-03244-0 | * CLIP |
| 11 | 3F3-03234-0 | * SCREW |
| 12 | 3J5-03252-0 | * MAIN NOZZLE |
| 13 | 3PN-04642-0 | * MAIN JET (#142) |
| 14 | 3J5-03255-0 | * SLOW JET (#72) |
| 15 | 346-03256-0 | * RUBBER CAP |
| 16 | 346-03266-0 | * PILOT SCREW |
| 17 | 353-03268-0 | * SPRING |
| 18 | 345-03292-0 | * DRAIN SCREW |
| 19 | 336-03293-0 | * O-RING |
| 20 | 334-03242-0 | * VALVE PIN |
| 21 | 3F3-03181-0 | * CARBURETOR COVER |
| 22 | 3F3-03182-0 | * CARBURETOR COVER GASKET |
| 23 | 346-03265-0 | * STOP SCREW |
| 24 | 346-03267-0 | * SPRING |
▶CYLINDER・CRANK CASE (61 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3PNJ01100-0 | CYL BLOCK & CRANKCASE ASSY |
| 2 | 393-01137-0 | * NIPPLE 5-4-5 |
| 3 | 345-01111-0 | * DOWEL PIN 6-12 |
| 4 | 345-00117-0 | * DOWEL PIN |
| 5 | 393-01131-0 | * NIPPLE 5.5-5 |
| 6 | 3F3-01114-0 | * BOLT 10-60 |
| 7 | 916129-0845 | * BOLT |
| 8 | 3B7-01116-0 | * WASHER 10.5-20-3.2 |
| 9 | 345-01015-0 | * WASHER 8.5-19.5-3.2 |
| 10 | 338-60218-2 | ANODE |
| 12 | 3PNJ01091-0 | CYLINDER HEAD |
| 13 | 3F3-01024-2 | CYLINDER HEAD COVER GASKET |
| 14 | 3F3J01021-1 | CYLINDER HEAD COVER |
| 16 | 910103-7630 | BOLT |
| 17 | 353-66024-0 | STOPPER |
| 19 | 3C7-01030-0 | THERMOSTAT |
| 20 | 3B7J01031-0 | THERMOSTAT CAP |
| 21 | 353-01032-0 | THERMOSTAT CAP GASKET |
| 22 | 9101E3-5625 | BOLT |
| 23 | 9101E3-5640 | BOLT |
| 24 | 3B7-01046-0 | PLUG |
| 25 | 3F3-01005-1 | CYLINDER HEAD GASKET |
| 26 | 3PN-01012-0 | CYLINDER HEAD BOLT |
| 27 | 3KK-01015-1 | WASHER |
| 28 | 3F3J02300-2 | EXHAUST COVER ASSY |
| 29 | 3F3J02302-0 | EXHAUST COVER (INNER) |
| 30 | 3F3-02305-2 | EXHAUST COVER GASKET |
| 31 | 3N5-02319-0 | BOLT 30mm |
| 32 | 3PR-66308-0 | WASHER 6.5-13-3 |
| 33 | 3C8-01513-1 | HANGER |
| 35 | 9161F9-0860 | BOLT |
| 37 | 3C8-01015-0 | WASHER 8.5-19.5-3.2 |
| 38 | 930103-0800 | NUT |
| 39 | 9701-1-1009 | SPARK PLUG(B8HS-10) |
| 43 | 98AL-40-350 | HOSE |
| 43b | 98AL-40-310 | HOSE |
| 44a | 98AL-40-030 | HOSE |
| 45a | 98AL-40-260 | HOSE |
| 45b | 98AL-40-050 | HOSE |
| 46a | 3LC-01160-0 | CHECK VALVE |
| 47 | 3T5-01133-0 | CLIP φ8 |
| 48 | 338-01133-0 | CLIP φ7 |
| 48a | 3T5-84398-0 | BAND 104 |
| 49 | 3N4-01139-0 | SEALING CAP |
| 50 | 3C7-02215-0 | CLIP φ12 |
| 51 | 3PR-06972-0 | CLAMP 6.5-47.5P |
| 52 | 910103-0612 | BOLT |
| 54 | 3F5-05100-2 | BRACKET |
| 55 | 9101F4-0630 | BOLT |
| 58 | 3F5-05102-1 | BRACKET |
| 59 | 9101F4-0645 | BOLT |
| 60 | 941303-0600 | SPRING WASHER |
| 61 | 940103-0600 | WASHER |
| 62 | 3P0-06915-0 | CLAMP 6.5-11L |
| 63 | 910103-5612 | BOLT |
| 64 | 3F3-01303-4 | ENGINE BASEMENT GASKET |
| 65 | 3F3B01291-0 | CRANKCASE HEAD |
| 66 | 151-00053-0 | O-RING 2-66.5 2-66.5 |
| 67 | 126-00121-0 | OIL SEAL 30-45-8 30-45-8 |
| 68 | 3F3-01215-0 | OIL SEAL 16.8-28-8 |
| 69 | 910103-5620 | BOLT |
▶DRIVE SHAFT HOUSING (25 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3F3Q01301-0 | ENGINE BASEMENT |
| 2 | 3F3-67116-0 | ENGINE BASEMENT SEAL L=870 |
| 3 | 910103-5630 | BOLT |
| 4 | 345-01111-0 | DOWEL PIN 6-12 |
| 5 | 3F3-02311-0 | EXHAUST PIPE |
| 6 | 910103-7835 | BOLT |
| 8 | 3F3-02312-2 | EXHAUST PIPE GASKET |
| 9 | 3F3Q61192-0 | DRIVE SHAFT HOUSING (L) |
| 10 | 3A3-61017-3 | BOLT 8-100 |
| 12 | 3F3-61012-2 | DRIVE SHAFT HOUSING GASKET |
| 13 | 3B7Q61110-0 | EXTENSION HOUSING |
| 14 | 3T1-60001-1 | BOLT 8-35 |
| 15 | 9402E3-0800 | WASHER |
| 16 | 3B7-60001-5 | BOLT 10-40 |
| 17 | 9401E3-1000 | WASHER |
| 18 | 3F3-61180-0 | EXHAUST HOUSING |
| 19 | 3F3-61182-0 | GROMMET |
| 20 | 910103-5835 | BOLT |
| 21 | 3F3-61181-2 | EXHAUST HOUSING GASKET |
| 22 | 3F3Q61210-0 | APRON |
| 23 | 3C7-61216-0 | PAD |
| 24 | 3F3-61212-0 | GROMMET |
| 25 | 3F3-61213-0 | SEAL |
| 26 | 9215E3-5545 | SCREW |
| 27 | 930403-0500 | NYLON NUT 5-P0.8 |
▶ELECTRIC PARTS (C.D. UNIT) (19 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3PR-06049-0 | IGNITION COIL ASSY W/LABEL |
| 3 | 3C8-72181-0 | * CAUTION DECAL (B) |
| 4 | 3PR-06050-0 | IGNITION COIL W/CAP |
| 5a | 3LD-06921-0 | * PLUG CAP |
| 5b | 3M2-06926-0 | * PLUG CAP TERMINAL |
| 5c | 3T5-84398-0 | * BAND 104 |
| 6 | 910103-5620 | BOLT |
| 7 | 151-33159-0 | GASKET COMBINATION GAUGE 6.2-11-1 |
| 7a | 3C8-62396-1 | GROUND L=210 |
| 37 | 3N4-06160-1 | CD UNIT |
| 38 | 3F5-05205-1 | BRACKET |
| 39 | 910103-7630 | BOLT |
| 40 | 3F5-67216-0 | DAMPER |
| 41 | 353-72544-1 | FUEL COCK ROD HOSE |
| 42 | 3C8-66116-0 | SHIFT LEVER STOPPER |
| 43 | 910103-5612 | BOLT |
| 44 | 3N4-76142-1 | GROUND CABLE L=270 |
| 45 | 336-76091-0 | LEAD WIRE BAND 100 |
| 47 | 3N4-76172-1 | OVERHEAT SENSOR ASSY |
▶FUEL LINE (27 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3AD-02230-0 | FUEL FILTER ASSY |
| 2 | 3AD-02237-0 | * CUP |
| 3 | 3AD-02235-0 | * O-RING |
| 4 | 3AD-02234-0 | * FILTER |
| 5 | 356-04000-1 | FUEL PUMP ASSY |
| 6 | 334-04004-0 | * PUMP COVER |
| 7 | 9225F2-6528 | * SCREW |
| 8 | 334-04005-0 | * PUMP DIAPHRAGM |
| 9 | 334-04007-0 | * DIAPHRAGM GASKET |
| 10 | 356-04044-0 | * CHECK VALVE |
| 11 | 921722-0306 | * SCREW |
| 12 | 930222-0300 | * NUT |
| 13 | 356-04030-0 | * DIAPHRAGM GASKET SET |
| 14 | 930103-0800 | NUT |
| 15 | 940103-0800 | WASHER |
| 16 | 98AB-50-280 | HOSE |
| 20 | 98AB-50-035 | HOSE |
| 21 | 98AB-50-040 | HOSE |
| 22 | 98AB-50-095 | HOSE |
| 23 | 98AB-50-120 | HOSE |
| 24 | 394-70013-0 | PIPE JOINT 4-4 |
| 25 | 338-02215-0 | CLIP φ10 |
| 26 | 346-04901-2 | GASKET |
| 27 | 921503-6640 | SCREW |
| 29 | 3B2-70260-1 | FUEL CONNECTOR (MALE) |
| 30 | 931103-1000 | NUT |
| 31 | 336-70112-0 | GASKET 10.2-16-0.5 |
▶FUEL TANK (17 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3B7-70200-5 | PRIMER BULB ASSY |
| 2 | 3C7-70220-1 | * JOINT ASSY (INLET) |
| 3 | 3C7-70224-1 | * JOINT ASSY (OUTLET) |
| 4 | 3C7-70211-1 | * PRIMER BULB |
| 5 | 3C7-70217-0 | * CLAMP |
| 6 | 98AB-70-700 | * HOSE |
| 7 | 98AB-701600 | * HOSE |
| 8 | 3B7-70280-1 | * FUEL CONNECTOR MARK |
| 9 | 3GF-70281-0 | * FUEL CONNECTOR |
| 10 | 3GF-70250-1 | * FUEL CONNECTOR |
| 11 | 332-70201-0 | * CLAMP |
| 12 | 3C7-70177-1 | FUEL TANK ASSY 25L |
| 13 | 3C7-70155-0 | * PICK-UP ELBOW ASSY (25L) |
| 14 | 3C7-70199-0 | * O-RING |
| 15 | 3C7-70113-0 | * FILTER |
| 16 | 3C7-70050-2 | * FUEL GAUGE VENT CAP ASSY (25L) |
| 17 | 3E0-70270-0 | * QUICK-CONNECTOR (MALE) |
▶Fig.31 ASSEMBLY・KIT PARTS (7 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3N4Q87304-E | LOWER UNIT ASSY (UL) |
| 2 | 3PNJ87090-1 | ENGINE SHORT BLOCK KIT |
| 3 | 922503-6414 | * SCREW |
| 4 | 3F3-87121-9 | POWER HEAD GASKET |
| 5 | 3F3-65239-2 | * WATER PUMP GUIDE PLATE |
| 6 | 3N4-87321-2 | LOWER UNIT GASKET SET |
| 7 | 9402E3-0800 | * WASHER |
▶GAS SHOCK ABSORBER (M70CX) (17 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3N4Q62112-0 | CLAMP BRACKET (R) |
| 2 | 3N4Q62113-0 | CLAMP BRACKET (L) |
| 3 | 3N4Q77601-0 | GAS SHOCK ABSORBER |
| 4 | 3C8-77071-1 | CYLINDER PIN (UPPER) |
| 5 | 345-05122-1 | WASHER 6.5-23-1.5 |
| 6 | 9101E3-0612 | BOLT |
| 7 | 3N4-77075-0 | BUSHING 18-24-17 |
| 8 | 3C8-77111-1 | WASHER 19-34-3 |
| 9 | 3E0-77076-0 | BUSHING 18-20-20.5 |
| 10 | 3E0-77101-2 | CYLINDER PIN (LOWER) |
| 11 | 346-62412-1 | WASHER 22.6-30-2 |
| 12 | 945103-2200 | C-RING d=22 |
| 13 | 3E0-77103-0 | BUSHING 22-25.4-23.5 |
| 14 | 3N4-66311-0 | REVERSE LOCK LEVER |
| 15 | 3V2-60001-0 | BOLT 6-35 |
| 16 | 9401E3-0600 | WASHER |
| 17 | 930103-0600 | NUT |
▶GEAR CASE (DRIVE SHAFT) (65 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3N4Q60000-0 | GEAR CASE ASSY |
| 2 | 3N4-60092-0 | * SUB-WATER INLET PIPE |
| 4 | 3B7-60102-0 | * ROLLER BEARING 25.4-33.3-31.8 |
| 5 | 332-60005-2 | PLUG 8-8 |
| 6 | 332-60006-0 | GASKET 8.1-15-1 |
| 7 | 3B7-60217-1 | TRIM TAB |
| 8 | 915303-0825 | STUD |
| 9 | 930403-0800 | NYLON NUT 8-P1.25 |
| 10 | 3B7-60219-0 | TRIM TAB GASKET |
| 11 | 3N4-60012-0 | GEAR CASE PLATE |
| 12 | 9216E3-0614 | SCREW |
| 13 | 3B7-60013-0 | GEAR CASE PLATE PLUG |
| 14 | 3N4-60241-0 | SUB-WATER INLET CASE |
| 15 | 3N4-60017-0 | NIPPLE 10.5-7.5-10.8 |
| 16 | 9215E3-0510 | SCREW |
| 17 | 3N4-60243-0 | WATER STRAINER GASKET 26-36-0.5 |
| 18 | 369-60206-0 | WATER STRAINER |
| 19 | 9218E3-0620 | SCREW |
| 20 | 98AB-90-040 | HOSE |
| 21 | 3B7-60015-1 | PLUG M10P1.25 |
| 22 | 3B7-60016-1 | GASKET 10.1-15-1 |
| 23 | 3J5-64020-0 | BEVEL GEAR B |
| 24 | 353-64016-0 | SHIM 52-60.5-0.1 |
| 25 | 3B7-64027-0 | NUT M16-P1.5 |
| 26 | 3J5-64303-1 | DRIVE SHAFT (UL) |
| 27 | 3B7-60213-0 | TAPERED ROLLER BEARING 32305 |
| 28 | 353-64327-0 | DRIVE SHAFT SPRING |
| 29 | 3B7-65021-2 | WATER PUMP IMPELLER |
| 30 | 3B7-65022-1 | KEY 28-5.7-4 |
| 31 | 3B7-65016-0 | PUMP CASE SUB-ASSY (UPPER) |
| 32 | 3B7-65238-0 | PUMP CASE LINER |
| 33 | 3B7-65014-0 | WATER PIPE SEAL (LOWER) |
| 34 | 3B7-65018-0 | PUMP CASE GASKET |
| 35 | 3J5-65017-1 | PUMP CASE (LOWER) |
| 36 | 3C7-60223-1 | OIL SEAL 22-42-7 |
| 37 | 346-64084-0 | SHIM 35-41.9-0.5 |
| 38 | 3B7-65015-0 | O-RING 3.1-54.4 |
| 39 | 334-65012-0 | DOWEL PIN 4-10 |
| 40 | 9161E3-0880 | BOLT |
| 41 | 940103-0800 | WASHER |
| 42 | 3F3-65239-2 | WATER PUMP GUIDE PLATE |
| 43 | 3B7-65029-0 | GUIDE PLATE GASKET |
| 44 | 3B7-64328-0 | DRIVE SHAFT SPRING GUIDE |
| 45 | 3B7-66011-1 | CLUTCH CAM |
| 46 | 3B7-66014-1 | CAM ROD (UL) |
| 47 | 951403-3510 | SPRING PIN 3.5-10 |
| 48 | 3B7-66031-1 | CAM ROD BUSHING |
| 49 | 345-66021-0 | O-RING 1.9-6.8 |
| 50 | 3B7-66023-0 | O-RING 3.5-27.7 |
| 51 | 353-66241-1 | SHIFT ROD JOINT |
| 53 | 353-66024-0 | STOPPER |
| 54 | 9101E3-5612 | BOLT |
| 55 | 3T1-60001-1 | BOLT 8-35 |
| 56 | 3B7-60001-5 | BOLT 10-40 |
| 57 | 9402E3-0800 | WASHER |
| 58 | 9402E3-1000 | WASHER |
| 60 | 3B7-60027-0 | PLUG 6-1/8 |
| 64 | 346-65204-0 | WATER PIPE AUXILIARY MOUNT |
| 65 | 951403-3516 | SPRING PIN 3.5-16 |
| 66 | 3F3-65120-0 | WATER PIPE (UL) |
| 67 | 345-65206-0 | WATER PIPE SEAL (UPPER) |
| 68 | 345-65205-0 | COLLAR 18-20-4.5 |
| 69 | 3C7-60205-1 | WATER STRAINER SET |
| 70 | 921503-0445 | * SCREW |
| 71 | 930403-0400 | * NYLON NUT 4-P0.7 |
▶GEAR CASE (PROPELLER SHAFT) (28 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3C7-60215-0 | TAPERED ROLLER BEARING 30209 |
| 2 | 3B7Q87323-1 | PROPELLER SHAFT HOUSING ASSY |
| 3 | 3B7Q60101-1 | * PROPELLER SHAFT HOUSING |
| 4 | 3B7-60211-0 | * ROLLER BEARING 30-40-30 |
| 5 | 3B7-60111-0 | * OIL SEAL 30-50-12 |
| 6 | 9601-0-6208 | * BALL BEARING 6208 |
| 7 | 3B7-60103-0 | * O-RING 3.1-94.4 |
| 8 | 3C7-60108-2 | PRE-COATED BOLT 8-30 |
| 9 | 3J5-64010-0 | BEVEL GEAR ASSY (A) |
| 10 | 3B7-64011-0 | * ROLLER BEARING 25-32-26 |
| 11 | 3Y7-64093-0 | BEVEL GEAR C |
| 12 | 3B7-64035-0 | WASHER t=2.8 |
| 13 | 3B7-64016-0 | SHIM 47-57-0.1 |
| 14 | 3B7-64037-0 | SHIM 42-50-0.1 |
| 15 | 3B7-64211-0 | PROPELLER SHAFT |
| 16 | 3T1-64215-2 | CLUTCH |
| 17 | 3B7-64218-0 | PIN |
| 18 | 3B7-64219-1 | SNAP |
| 19 | 346-64221-0 | SPRING |
| 20 | 3T1-64223-0 | PUSH ROD |
| 21 | 3T1-64222-0 | SPRING RETAINER L=30.5 |
| 22 | 3T1-64224-0 | BALL |
| 23 | 353-64121-0 | PROPELLER NUT M16P1.5 |
| 24 | 345-64124-0 | WASHER 17-32-3 |
| 25 | 951503-0325 | SPLIT PIN 3-25 |
| 26 | 3HKB64545-0 | PROPELLER ASSY (21") |
| 27 | 3HK-64238-0 | * PROPELLER HUB KIT |
| 28 | 3HK-64235-0 | ** FORWARD THRUST WASHER |
▶INTAKE MANIFOLD・REED VALVE・INTAKE SILENCER (26 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3F3J02020-1 | INTAKE MANIFOLD ASSY |
| 2 | 3F3-02104-2 | INTAKE MANIFOLD GASKET |
| 2a | 916114-0625 | BOLT |
| 2b | 9401E3-0600 | WASHER |
| 3 | 98AB-50-087 | HOSE |
| 4 | 338-02215-0 | CLIP φ10 |
| 5 | 3F3-02100-0 | REED VALVE ASSY |
| 6 | 921521-6516 | SCREW |
| 7 | 3F5-05101-1 | BRACKET |
| 8 | 910299-0630 | BOLT |
| 9 | 3F3-02411-1 | INTAKE SILENCER |
| 10 | 3C8-02417-0 | INTAKE SILENCER LOCK PLATE |
| 11 | 3C8-02420-0 | BOLT 5-16 |
| 12 | 3F3-02415-0 | INTAKE SILENCER COVER |
| 13 | 3F3-02418-0 | GASKET |
| 14 | 3F3-02423-0 | TAPPING SCREW 5-30 |
| 15 | 3F3-72015-0 | CHOKE DECAL |
| 16 | 3F3-63709-1 | THROTTLE ROD 5-77 |
| 17 | 3B7-05229-0 | BALL JOINT CONNECTOR |
| 18 | 3B7-05243-0 | BALL JOINT CONNECTOR |
| 19 | 930103-0500 | NUT |
| 20 | 3F3-02012-0 | O-RING 1.9-38.8 |
| 22 | 3F5-67191-1 | CHOKE ROD |
| 24 | 346-67196-1 | ROD SNAP 3-B |
| 26 | 916103-0695 | BOLT |
| 27 | 940103-0600 | WASHER |
▶MAGNETO (24 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 2 | 3N5-06189-0 | FLYWHEEL W/RING |
| 3 | 3N4-06103-1 | COIL PLATE ASSY W/ALTERNATOR |
| 4 | 3N4-06130-0 | * PULSAR COIL & PLATE ASSY |
| 5 | 3B7-06131-0 | * PULSAR HOLDER |
| 6 | 3N4-06120-0 | * EXCITER COIL |
| 7 | 921521-6630 | * SCREW |
| 8 | 3N4-06123-0 | * ALTERNATOR ASSY |
| 9 | 3B7-06135-0 | * HOLDER |
| 10 | 921521-0406 | * SCREW |
| 11 | 3B7-06132-0 | * CLAMP |
| 12 | 921521-6406 | * SCREW |
| 13 | 3B7-06133-0 | * BAND |
| 14 | 334-00131-0 | KEY 19-7-5 |
| 15 | 353-00132-0 | NUT 18-P1.5 |
| 16 | 353-00133-0 | WASHER 19-34-3 |
| 18 | 3A3-76037-0 | CABLE TERMINAL PLUG |
| 19 | 3F3-63723-1 | SETTING RING |
| 20 | 3B7-05244-0 | BALL JOINT |
| 21 | 941303-0600 | SPRING WASHER |
| 22 | 945303-0400 | E-RING d=4 |
| 23 | 3C8-63722-0 | GUIDE PLATE |
| 23a | 3C8-63725-0 | GUIDE PLATE COVER |
| 24 | 910121-6616 | BOLT |
| 25 | 921503-6510 | SCREW |
▶OPTIONAL PARTS (1) (15 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 9 | 3E0-72526-0 | WATER TEMPERATURE METER KIT |
| 10 | 3E0-72597-0 | * WATER TEMPERATURE METER ASSY |
| 16 | 3B7-72514-0 | * WATER TEMPERATURE SENSOR |
| 17 | 3B7-72518-0 | * LEAD WIRE L=7700 |
| 18 | 3E0-72529-0 | VOLTMETER ASSY |
| 21 | 3B7-72662-0 | * FITTING PLATE |
| 37 | 3E0-72524-0 | HOUR METER ASSY |
| 38 | 3B7-72657-0 | * METER BULB 12V-1.7W |
| 39 | 3B7-72655-0 | * METER DAMPER |
| 40 | 3B7-72664-0 | * FITTING PLATE |
| 41 | 930203-0400 | * NUT |
| 42 | 941303-0400 | * SPRING WASHER |
| 43 | 353-72521-1 | METER LAMP SWITCH |
| 44 | 353-72548-0 | ASSIST CORD (BLK) L=200 |
| 45 | 361-72539-0 | TACHOMETER LEAD WIRE L=6000 |
▶PISTON・CRANK SHAFT (17 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3PN-00069-0 | CRANKSHAFT SUB-ASSY |
| 2 | 353-00115-0 | * THRUST PLATE 59-78-2 |
| 3 | 353-00118-0 | * MAIN BEARING 6306 |
| 4 | 3F3-00115-0 | * THRUST PLATE 49-78-2 |
| 5a | 3PN-00119-0 | * SPACER |
| 6 | 945107-3000 | * C-RING d=30 |
| 7 | 3F3-00042-1 | ROLLER BEARING 20-25-24 |
| 8 | 353-00113-0 | MAIN BEARING φ36 |
| 9 | 353-00121-0 | * OIL SEAL 36.5-46-8 |
| 10 | 353-00108-0 | O-RING 2.4-44.7 |
| 11 | 3N5-87124-0 | PISTON RING SET (0.5 O/S) |
| 12 | 3F3-00014-2 | * PISTON RING (0.5 O/S) |
| 13 | 3F3-00015-1 | * PISTON RING (0.5 O/S) |
| 14 | 3N5-87131-0 | PISTON REPAIR KIT (0.5 O/S) |
| 15 | 3F3-00004-0 | * PISTON (0.5 O/S) |
| 16 | 3F3-00021-1 | * PISTON PIN |
| 17 | 353-00024-1 | * PISTON PIN CLIP |
▶RECOIL STARTER (M70CX) (40 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3F5-05090-1 | RECOIL STARTER ASSY |
| 2 | 3C8-05090-2 | * RECOIL STARTER ASSY |
| 3 | 3C8-05106-0 | ** REEL ASSY |
| 4 | 3C8-05003-0 | ** RATCHET |
| 5 | 3C8-05004-0 | ** STARTER SPRING |
| 6 | 3C8-05007-0 | ** FRICTION SPRING |
| 7 | 3C8-05012-0 | ** RETURN SPRING |
| 8 | 3C8-05006-0 | ** FRICTION PLATE |
| 9 | 3C8-05107-0 | ** BUSHING |
| 10 | 3C8-05108-0 | ** WASHER |
| 11 | 3C8-05023-0 | ** SLIDING PLATE |
| 12 | 3C8-05029-0 | ** SLIDING PLATE |
| 13 | 945127-2800 | ** C-RING d=28 |
| 14 | 3C8-05138-0 | ** BOLT |
| 15 | 3C8-05013-0 | ** STARTER ROPE φ6-2250 |
| 16 | 3C8-05019-0 | ** STARTER HANDLE |
| 17 | 3R3-05131-0 | ** ROPE ANCHOR |
| 18 | 3C8-05014-1 | ** ROPE GUIDE |
| 19 | 3C8-05252-0 | ** STARTER LOCK |
| 20 | 3C8-05253-0 | ** STARTER LOCK CAM |
| 21 | 3C8-05237-0 | ** WASHER |
| 22 | 3C8-05216-0 | ** STARTER LOCK SPRING |
| 23 | 951503-1520 | ** SPLIT PIN |
| 24 | 3C8-05217-0 | ** STARTER LOCK WIRE |
| 25 | 3C8-05257-0 | ** CABLE HOLDER |
| 26 | 922432-0510 | ** SCREW |
| 27 | 3C8-05238-0 | ** PIPE |
| 28 | 3C8-05030-0 | ** STARTER ROLLER |
| 29 | 3C8-05031-0 | ** BOLT |
| 30 | 3C8-05032-0 | ** WASHER |
| 31 | 3C8-05033-0 | ** COLLAR |
| 32 | 3F5-05119-0 | * BRACKET |
| 33 | 910103-6616 | * BOLT |
| 35 | 930103-0600 | * NUT |
| 36 | 3C8-05901-1 | STARTER PULLEY |
| 37 | 3C8-67503-0 | STARTER SEAL |
| 38 | 9101F4-0818 | BOLT |
| 39 | 940103-0800 | WASHER |
| 40 | 9101F4-0625 | BOLT |
| 41 | 940103-0600 | WASHER |
▶SHIFT (47 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3T9-66110-0 | SHIFT ROD LEVER |
| 2 | 930403-1000 | NYLON NUT 10-P1.5 |
| 3 | 3B7-66225-0 | SHIFT LEVER SHAFT |
| 4 | 353-66145-1 | HOLDER |
| 5 | 3T1-60108-0 | PRE-COATED BOLT 8-25 |
| 6 | 332-61315-0 | WASHER 10.5-18-1.5 |
| 7 | 353-83728-1 | PIN |
| 9 | 353-66215-1 | SHIFT ROD (L) |
| 10 | 3B7Q80403-0 | SHIFT LEVER COMPLETE |
| 11 | 3B7Q66110-0 | * SHIFT LEVER |
| 12 | 3B7Q66115-0 | * SHIFT LEVER STOP BRACKET |
| 13 | 3B2-66113-0 | * SHIFT LEVER STOPPER |
| 14 | 910103-0616 | * BOLT |
| 17 | 3B7-66121-0 | * SHIFT LEVER STOPPER |
| 18 | 910103-0420 | * BOLT |
| 19 | 940103-0400 | * WASHER |
| 20 | 941303-0400 | * SPRING WASHER |
| 21 | 3B7-66124-0 | * COLLAR 8.1-10.5-31.7 |
| 22 | 346-62437-0 | * BUSHING 10.2-12-29.5 |
| 23 | 910103-0855 | * BOLT |
| 26 | 910103-5620 | BOLT |
| 27 | 3F3-66134-0 | SHIFT LEVER ROD |
| 28 | 940103-0500 | WASHER |
| 29 | 951503-0212 | SPLIT PIN 2-12 |
| 32 | 3B7-83715-2 | CABLE JOINT |
| 35 | 3AA-83719-0 | WASHER 8.5-18-1.6 |
| 36 | 3F3-05222-0 | STARTER LOCK ROD 5-70 |
| 37 | 3B2-83865-0 | NUT 10-32UNF |
| 38 | 3A3-83715-0 | CABLE JOINT |
| 39 | 951603-0800 | SNAP PIN d=8 |
| 40 | 3F5-66122-0 | SHIFT ARM |
| 41 | 3F5-83728-0 | PIN |
| 42 | 930103-0600 | NUT |
| 43 | 941303-0600 | SPRING WASHER |
| 44 | 910103-0835 | BOLT |
| 46 | 940103-0800 | WASHER |
| 48 | 345-05212-0 | BUSHING 10-10.9-11 |
| 50 | 348-05232-0 | COLLAR 8-10-13 |
| 52 | 941303-0800 | SPRING WASHER |
| 53 | 3C8-05211-0 | STARTER LOCK ARM |
| 57 | 3F5-05222-0 | STARTER LOCK ROD 3.5-51 |
| 59 | 3C8-05213-0 | THROTTLE LIMITER ARM |
| 60 | 9101F4-0625 | BOLT |
| 61 | 940103-0600 | WASHER |
| 62 | 353-76079-0 | COLLAR 6.2-9-9.3 |
| 63 | 3F5-05221-0 | THROTTLE LIMITER ROD 3.5-63.5 |
| 64 | 3C8-05223-0 | ROD SNAP 3.5-4 |
▶THROTTLE (28 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3F3-63718-0 | THROTTLE CAM |
| 2 | 3B7-63721-0 | COLLAR 8.4-12-26.3 |
| 3 | 346-05228-1 | BALL JOINT |
| 4 | 941303-0600 | SPRING WASHER |
| 5 | 3N4-63727-0 | SPRING |
| 6 | 3B7-63712-0 | ADVANCER LEVER |
| 8 | 3C8-63715-1 | ROD 5-118 |
| 11 | 3F3-63715-2 | ROD 5-136 |
| 12 | 3B7-05243-0 | BALL JOINT CONNECTOR |
| 13 | 930103-0500 | NUT |
| 14 | 3F3B63711-0 | ADVANCER ARM |
| 15 | 910103-6835 | BOLT |
| 16 | 3B7-63730-0 | WASHER 8.5-24-1.5 |
| 17 | 3B7-63713-0 | BUSHING 12-14-15.5 |
| 18 | 3B7-63731-0 | WASHER 12.5-24-1 |
| 19 | 3B7-63732-1 | COLLAR 8.4-12-17 |
| 20 | 910103-0635 | BOLT |
| 22 | 3C8-63733-0 | ROD SNAP 5-3 |
| 23 | 910103-0845 | BOLT |
| 24 | 940103-0800 | WASHER |
| 25 | 941303-0800 | SPRING WASHER |
| 26 | 3B7-83715-2 | CABLE JOINT |
| 27 | 3AA-83719-0 | WASHER 8.5-18-1.6 |
| 28 | 951603-0800 | SNAP PIN d=8 |
| 29 | 910103-0630 | BOLT |
| 30 | 940103-0600 | WASHER |
| 31 | 930103-0600 | NUT |
| 32 | 3B7-63734-0 | STOPPER DAMPER |
▶TILLER HANDLE (34 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3N5Q63005-2 | TILLER HANDLE SUB-ASSY |
| 2 | 3F5Q63011-1 | * TILLER HANDLE |
| 4 | 353-63029-0 | * SCREW M5-12 |
| 5 | 350-63012-2 | * GRIP |
| 6 | 920803-0520 | * SCREW |
| 7 | 3B7-63041-0 | * THROTTLE SHAFT |
| 8 | 345-63048-0 | * THROTTLE SHAFT DAMPER |
| 9 | 350-63046-0 | * BUSHING 8.4-10-11 |
| 10 | 3B2-63035-1 | * FRICTION PIECE |
| 11 | 910103-5620 | * BOLT |
| 12 | 930103-0600 | * NUT |
| 13 | 369-72019-1 | * THROTTLE DECAL |
| 14 | 3B7-63068-0 | * LEVER |
| 15 | 930403-0400 | * NYLON NUT 4-P0.7 |
| 16 | 951403-0316 | * SPRING PIN 3-16 |
| 17 | 3B7-63604-0 | * THROTTLE CABLE HOLDER |
| 18 | 9101E3-5512 | * BOLT |
| 19 | 3B7-63203-1 | * BOLT 8-105 |
| 20 | 9401E3-0800 | * WASHER |
| 21 | 930403-0800 | * NYLON NUT 8-P1.25 |
| 22 | 353-63201-2 | BOLT 12-30 |
| 23 | 353-63207-0 | COLLAR 10.2-12-12 |
| 24 | 3F3-63600-2 | THROTTLE WIRE |
| 25 | 3B7Q63051-1 | STEERING BRACKET |
| 26 | 9161F4-0845 | BOLT |
| 27 | 941303-0800 | SPRING WASHER |
| 28 | 3C8-06820-0 | STOP SWITCH ASSY |
| 29 | 353-06821-0 | * STOP SWITCH LANYARD ASSY |
| 30 | 336-06973-0 | CLAMP 6-9.5L |
| 31 | 9215E3-0612 | SCREW |
| 32 | 3A3-76037-0 | CABLE TERMINAL PLUG |
| 33 | 3F5-06982-0 | STOP SWITCH ASSIST CORD |
| 34 | 336-76091-0 | LEAD WIRE BAND 100 |
| 36 | 3N4-06133-0 | PROTECTOR |
▶TOP COWL (20 parts)
| Ref | OEM Part # | Part Name |
|---|---|---|
| 1 | 3PNQ67500-1 | TOP COWL ASSY |
| 2 | 3N4Q67640-3 | * TOP COWL SUB ASSY |
| 3 | 3C7-72180-3 | * CAUTION DECAL (A) |
| 7 | 3PN-67501-0 | * TOP COWL SEAL |
| 8 | 353-67517-1 | ** LOCATING BRACKET |
| 9 | 921703-5520 | ** SCREW |
| 10 | 930103-0500 | ** NUT |
| 11 | 941303-0500 | ** SPRING WASHER |
| 12 | 353Q67141-0 | ** HOOK LEVER |
| 13 | 353-67147-1 | ** SEAL RING |
| 14 | 353-67105-0 | ** HOOK LEVER BUSHING 12-14-12 |
| 15 | 338-62435-0 | ** O-RING 1.5-9.5 |
| 16 | 353-67142-1 | ** COVER HOOK |
| 17 | 910103-0616 | ** BOLT |
| 18 | 3C8-66308-0 | ** WASHER 6-16-1.5 |
| 19 | 3F3Q67521-2 | ** TILT HANDLE (M70C/60C) |
| 20 | 910103-0630 | ** BOLT |
| 26 | 941303-0600 | ** SPRING WASHER |
| 29 | 3N4-87802-2 | * DECAL SET |
| 30 | 3PN-67559-0 | * CX PRO DECAL |
100-Hour / Annual Service Checklist
Regular maintenance keeps your Tohatsu M70CX running reliably season after season. Most of these tasks can be performed with basic tools and the factory service manual.
- Replace water pump impeller and inspect wear plate
- Inspect and clean carburetor(s); check fuel mixture settings
- Replace spark plugs and check ignition timing
- Drain and refill lower unit gear oil; inspect for water contamination
- Inspect fuel lines, primer bulb, and fuel filter for deterioration
- Check and replace sacrificial anodes (zinc or aluminum)
- Inspect propeller for damage; check shaft seal and cotter pin
- Decarbonize exhaust ports and piston crown if needed
- Lubricate all grease points (steering, tilt tube, shift linkage)
- 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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