Target Audience:
Yamaha ATV owners, technicians, and parts suppliers seeking accurate part identification and sourcing information.
Utility Segment:
Positioned as a capable utility ATV for recreational trail riding and light hauling tasks.
Value Proposition:
Provides essential, manufacturer-specific part numbers and detailed visual references, enabling efficient and accurate repairs and parts ordering.
Diagram Quality:
Exploded diagrams with high detail, allowing enlargement to view small components.
Part Number Accuracy:
Contains official manufacturer part numbers for every part.
Usability:
Designed for ease of use, facilitating disassembly and reassembly processes.
Coverage Scope:
Comprehensive parts catalog with exploded diagrams for the Yamaha YFB250F Timberwolf ATV.
Completeness:
Designed to be the 'ONLY Parts List Manual You Will Ever Need', indicating comprehensive coverage of all components.
Estimated Page Count:
Detailed page count not specified, but described as covering 'EVERY part'.
Manual Type:
Parts Manual / Parts Catalog
Format:
PDF (Portable Document Format)
Engine Components:
All engine parts, including cylinder, piston, crankshaft, valves, carburetor, ignition system components, cooling system (if applicable), and lubrication system components.
Drivetrain Components:
Transmission gears, shafts, clutch components, drive shafts, differentials, axles, and wheel hubs.
Suspension Components:
Front and rear suspension arms, shock absorbers, springs, bushings, steering knuckles, and tie rods.
Braking Components:
Brake calipers, rotors, brake pads, brake lines, master cylinder, and parking brake mechanisms.
Chassis And Frame:
Frame components, mounting brackets, seat assembly, footrests, and cargo racks.
Electrical Components:
Wiring harness, battery, starter motor, generator/stator, lighting components (headlights, taillights, indicators), switches, and fuses.
Fuel System Components:
Fuel tank, fuel lines, fuel filter, carburetor components, and fuel pump (if applicable).
Exhaust System Components:
Exhaust pipe, muffler, and any associated heat shields or mounting hardware.
Controls And Linkages:
Throttle controls, brake levers, gear shift mechanisms, and steering linkages.
Bodywork And Plastics:
Fenders, body panels, trim pieces, and associated fasteners.
Part Identification:
Identification of all individual parts with corresponding manufacturer part numbers.
Assembly Disassembly Reference:
Exploded diagrams provide visual guidance for part orientation and assembly sequences.
Component Breakdown:
Detailed breakdown of each major system into its constituent parts.
Technical Detail Level:
Highly detailed, focusing on the identification and sourcing of individual replacement parts.
Part Number Listing:
Explicit listing of all OEM part numbers for ordering and replacement.
Diagram Utility:
Exploded diagrams are crucial for understanding component relationships and aiding in the correct installation of parts.
Printability:
Printable pages; users can print only the necessary sections.
Binding Type:
Not Applicable (Digital Download)
Paper Type:
Not Applicable (Digital Download)
Operating Systems:
PC & MAC Compatible; Works with all versions of Windows.
Download Method:
Instant Download via secure payment processor.
Download Speed:
Instant download, implying quick access post-purchase.
Engine Type:
Air-cooled, 4-stroke, SOHC
Displacement:
Approximately 230cc (specific variant may exist, but 250cc class indicates this range).
Bore X Stroke:
Specific bore and stroke not provided, but typical for a 230-250cc class engine.
Compression Ratio:
Not specified, but typically in the range of 8.5:1 to 9.5:1 for this type of engine.
Horsepower:
Typical for this class would be in the range of 15-20 HP, exact figures not provided in product info.
Torque:
Torque figures not specified, but designed for low-end torque for utility and trail riding.
Fuel Delivery:
Carburetor (e.g., Mikuni or Keihin, specific model not stated but standard for this era/class).
Ignition Type:
CDI (Capacitor Discharge Ignition)
Cooling Method:
Air-cooled
Overall Length:
Dimensions not specified in product information, but typical for a mid-size utility ATV.
Overall Width:
Dimensions not specified in product information.
Overall Height:
Dimensions not specified in product information.
Dry Weight:
Typically around 450-500 lbs for this class, exact figures not provided.
Ground Clearance:
Varies by model year, typically 6-8 inches. Not specified.
Rollover Resistance:
ATVs inherently carry rollover risk; proper training and operation are crucial. Manual does not provide specific ratings.
Braking System:
Hydraulic disc brakes on front, likely drum or disc on rear. Parking brake mechanism included.
Lighting:
Headlights, taillight, and brake light for visibility and signaling.
Frame Construction:
Steel frame designed for durability and impact resistance.
Operator Controls:
Ergonomic handlebar controls for throttle, brakes, and ignition.
Oil Change Interval:
Refer to specific service manual or owner's manual for exact intervals (typically every 100 hours or annually).
Air Filter Maintenance:
Regular inspection and cleaning/replacement based on operating conditions (e.g., dusty environments require more frequent service).
Spark Plug Replacement:
Recommended replacement at specified intervals for optimal engine performance.
Engine Oil Type:
Yamaha recommends specific Yamalube oils, typically SAE 10W-30 or 20W-40 API SG or higher, depending on ambient temperature. This manual would list exact specifications.
Gear Oil Type:
Yamaha GL-4 hypoid gear oil or equivalent. Manual will list specific viscosity and type.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid. Manual will specify the correct type.
Coolant Type:
N/A (Air-cooled engine).
Common Wear Items:
Brake pads, tires, bearings, bushings, and carburetor jets are common wear items.
Carburetor Cleaning:
Carburetors can become clogged with fuel varnish over time, requiring cleaning and potentially jet replacement.
Manufacturer:
Yamaha Motor Corporation, a globally recognized leader in powersports and musical instruments, with a strong heritage in reliable and innovative ATVs.
Timberwolf Lineage:
The Timberwolf was a popular mid-size utility ATV, known for its balance of capability and affordability, produced through the late 1990s and early 2000s.
Production Years:
Likely produced from the mid-1990s to early 2000s. Specific model years are not detailed in the product description but are covered by the manual.
Manufacturing Location:
Likely manufactured in Japan or other Yamaha assembly facilities.
