1989-1991 Yamaha YFM250 Moto 4 ATV Service Manual
1989-1991 Yamaha YFM250 Moto 4 ATV documentation with service manual, repair procedures, and maintenance schedules. Includes part numbers and diagrams. Publication LIT-11616-YF-25.
Manual Preview
Sample pages from the 1989-1991 Yamaha YFM250 Moto 4 ATV Service Manual manual
Purchase & Download
Models Covered & Key Technical Specifications
Yamaha YFM250 Moto 4 (LIT-11616-YF-25) - 1989-1991 Reference, Procedural, Engineering Manual | Moto 4 Library
- Measured Volume Data: 11 L (2.42 Imp qt, 2.91 US qt) is specified as the total fuel tank capacity Requirements.
- Established Charge Quantity: For optimal operation, 1.2 L (0.26 Imp qt, 0.32 US qt) defines the fuel reserve amount Threshold.
- Factory End Play: The formatter board requires 20 Nm (14.75 ft-lb) for standard operation Benchmarks.
- Integral Cooling Specs: The front brake adjustment requires 2.5 Nm (1.84 ft-lb) for standard operation Logic.
- Operational Mass Specs: Maximum throughput reaches 12 Nm (8.9 ft-lb) Parameters.
- Critical Twist Specifications: The formatter board requires 20 Nm (14.75 ft-lb) for standard operation Range.
Manual Description & Preview
Yamaha YFM250 Moto 4 Service Manual: 1989-1991 Library-Master
Application-Range: 1989-1991 Yamaha YFM250W Moto-4 // Operational-Scope: ATV / Moto 4 Logic // Application-Range: Technical-details.
| Integrated-Framework | Operational-Logic | Validation-Data |
|---|---|---|
| Machine Identification | General Information | 1-1 |
| Specifications | General | 2-1 |
| Periodic Inspection and Adjustment | Maintenance | 3-1 |
| Engine Overhaul | Engine | 4-1 |
| Carburetion | Fuel System | 5-1 |
Assembly instructions are detailed for engine removal and disassembly. Hydraulic schematics are included for the drive train system. Steering component information is provided for the chassis. Inspection guidelines are provided for electrical systems. Alignment specifications are included for the wheels and brakes.
This manual documents torque specifications for various components to ensure proper bearing preload accuracy.
FAQ
Customer Reviews
Read what our customers say about this Yamaha ATV manual and share your own experience.