MFS4D - Outboard motor Tohatsu - Free user manual and instructions
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| Product Type | Outboard Motor |
| Brand | Tohatsu |
| Model | MFS4D |
| Engine Type | 4-Stroke, 1 Cylinder |
| Maximum Power | 4 HP (2.9 kW) |
| Displacement | 79 cc |
| Fuel System | Carburetor |
| Starting System | Manual Recoil Start |
| Full Throttle RPM Range | 4500 – 5500 RPM |
| Recommended Fuel | Unleaded Gasoline (87 Octane Min) |
| Fuel Tank Capacity | 0.95 L (Integral) |
| Oil Type | SAE 10W-30 (API SL or higher) |
| Oil Capacity | 0.4 L |
| Gear Ratio | 2.15:1 |
| Weight | 25 kg (55 lbs) |
| Transom Height | Short (S): 381 mm / Long (L): 508 mm |
| Dimensions (L x W x H) | Approx. 635 x 315 x 1110 mm (S) |
| Cooling System | Water-Cooled (Thermostat Controlled) |
| Ignition System | CDI (Capacitor Discharge Ignition) |
| Steering | Tiller Handle |
| Trim and Tilt | Manual Tilt (5 Positions) |
| Propeller Material | Aluminum (Standard) |
| Warranty | 3 Years Limited (Consumer Use) |
Frequently Asked Questions - MFS4D Tohatsu
What type of fuel and oil should I use for the Tohatsu MFS4D?
Use unleaded gasoline with a minimum octane rating of 87. For oil, use SAE 10W-30 (API SL or higher) marine engine oil.
How do I start the Tohatsu MFS4D outboard motor?
Ensure the fuel valve is on, choke is engaged (if cold), throttle is in start position, then pull the recoil starter handle firmly. Once started, gradually disengage the choke.
What is the weight of the Tohatsu MFS4D?
The weight is approximately 25 kg (55 lbs), making it a lightweight portable outboard.
How often should I change the gear oil?
Change the gear oil every 100 hours of operation or once a season, whichever comes first. Use SAE 90 gear oil.
What is the recommended break-in procedure?
For the first 10 hours, vary the throttle speed and avoid prolonged full throttle. After break-in, change the oil and check all fasteners.
Can I use ethanol-blended fuel?
Yes, up to 10% ethanol (E10) is acceptable. Higher ethanol blends may damage engine components and void warranty.
How do I store the outboard for winter?
Run the engine to stabilize fuel, drain the carburetor, change oil, grease fittings, and store upright in a dry place. Fogging spray is recommended.
What is the propeller pitch for the MFS4D?
The standard propeller is 7.5 x 6 inches (aluminum). Pitch options vary based on boat load; consult your dealer.
How do I adjust the tilt angle?
Release the tilt lock lever, manually tilt the motor to the desired position, then re-engage the lock. There are 5 tilt positions.
Where can I find replacement parts?
Authorized Tohatsu dealers carry genuine parts. You can also use the parts catalog on the official Tohatsu website.
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USER MANUAL MFS4D Tohatsu
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Product information
Brand : Tohatsu
Model : MFS4D
Category : Outboard motor