1994-2000 Yamaha Timberwolf YFB250FWF Service Manual
Repair manual for the Yamaha Timberwolf YFB250FWF, covering engine, chassis, and electrical systems. Includes part numbers and detailed diagrams for common repairs
Yamaha Models Covered & Key Technical Specifications
Models: Yamaha Timberwolf YFB250FWF (4KD1)
Sub-models / Variants: 4WD
Model Years: 1994–2000
Serial Numbers: JY44KDA0*RA000101 and later, 4KD-000101 and later
Technical Data:
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Engine: Air-cooled, 4-stroke, SOHC, single cylinder
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Displacement: 229.6 cc
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Bore x Stroke: 71 x 58 mm
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Transmission: Constant mesh 5-speed with reverse, centrifugal clutch
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Compression Ratio: 8.7:1
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Fuel System: Mikuni VM24SH carburetor
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Starting System: Electric starter
Yamaha Manual Features & Content Preview
Official 1994–2000 Yamaha Timberwolf YFB250FWF Service Documentation
- Covers the 1994–2000 Yamaha Timberwolf YFB250FWF 4WD, detailing factory service, engine overhauls, electrical systems, and maintenance specs for the 4KD1-series build.
- Official Yamaha publication (LIT-11616-09-11, 1st Edition Sept. 1993) containing 350 pages of original technical data.
- Includes 9 chapters, 30+ exploded-view diagrams, and a comprehensive tightening torque table for all primary components.
- Instant download provides immediate access from any device the moment payment clears.
- Fully indexed PDF search lets you locate specific chapters and appendices instantly.
- Formatted for clear standard letter and A4 printing.
Manual Organization and Workshop Benefits
This factory-authorized publication delivers the exact technical data and procedural references required for servicing the Yamaha Timberwolf. Designed to eliminate workshop guesswork, it provides the precise tolerances and testing procedures needed to keep the machine running reliably. The document opens with machine identification, special tool requirements, and general shop-grade information. Always review the standard safety protocols outlined in these opening sections before beginning any work to ensure a secure environment. Subsequent chapters break down periodic inspections, engine overhaul processes, carburetion, drivetrain service, and chassis adjustments.
Technical Preview and Reference Values
You will find detailed specifications for both the 4KD1 engine and chassis systems. Key reference values include a cylinder head warp limit of 0.03 mm, along with a standard compression pressure of 900 kPa at sea level. Routine maintenance data is clearly mapped out. For example, the engine oil capacity requires 2.2 liters for a complete change, while the differential takes 0.47 liters. Critical torque values are provided for every major fastener, such as the cylinder head bolts specified at 22 Nm. The electrical chapter features the complete circuit diagram and component testing specifications, while the final section offers troubleshooting insights for common performance, starting, and handling conditions.
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