Positioning:
Essential resource for Yamaha Timberwolf 250 2WD owners seeking to perform their own maintenance and repairs, saving on dealership costs.
Value Proposition:
Provides professional-level repair information at a fraction of the cost of hiring a mechanic or purchasing official, often unavailable, printed manuals.
Accessibility:
Instant download and printable pages offer flexibility for use in a workshop or garage environment.
Ease Of Use:
Designed for users with no prior technical expertise, with clear instructions and diagrams.
Applicable Years:
1992, 1993, 1994, 1995, 1996, 1997, 1998
Estimated Page Count:
High (Specific count not provided, but described as comprehensive A-Z coverage)
Type:
Service Repair Workshop Manual
Engine:
Detailed diagnosis, repair, and overhaul procedures for the 250cc engine.
Transmission:
Coverage of transmission components, clutch, gear shifting mechanisms, and related maintenance.
Fuel System:
Carburetor adjustment, cleaning, fuel lines, fuel tank, and fuel pump (if applicable).
Electrical System:
Ignition system, starting system, charging system (stator, rectifier/regulator), lighting, wiring diagrams, and component testing.
Suspension And Steering:
Front and rear suspension components, shock absorbers, ball joints, tie rods, steering system maintenance, and alignment.
Brakes:
Brake system inspection, hydraulic lines, brake pads, calipers, master cylinder, and bleeding procedures.
Chassis And Frame:
Frame inspection, welds, and general chassis maintenance.
Body And Trim:
Plastic body panels, fenders, seat, and minor bodywork repairs.
Cooling System:
Air-cooled engine specific maintenance, no liquid cooling details.
Routine Maintenance:
Oil changes, filter replacement, air filter cleaning/replacement, spark plug replacement, chain adjustment.
Troubleshooting:
Diagnostic guides, common problems, and solutions for various systems.
Engine Rebuild:
Full engine disassembly, inspection, component replacement, and reassembly procedures.
Transmission Overhaul:
Detailed steps for transmission disassembly and reassembly.
Carburetor Rebuild:
Carburetor cleaning, jet replacement, and tuning procedures.
Electrical Diagnosis:
Testing of electrical components, circuits, and troubleshooting wiring issues.
Brake Service:
Pad replacement, caliper service, fluid flushing, and bleeding.
Suspension Adjustment:
Preload adjustments, component replacement.
Depth:
Comprehensive, covering all repairs from basic maintenance to complete engine and transmission rebuilds.
Audience:
Suitable for DIY enthusiasts and professional technicians.
Engine Type:
Air-cooled, 4-stroke, SOHC
Displacement:
Approximately 230cc (Specific model may vary slightly, but generally in this range)
Bore X Stroke:
Refer to manual for specific dimensions
Compression Ratio:
Refer to manual for specific ratio
Horsepower:
Estimated 16-18 HP (Varies by year and specific tuning)
Torque:
Refer to manual for specific torque figures
Carburetor Type:
Single Mikuni carburetor (Specific model number in manual, e.g., VM26 or similar)
Fuel Type:
Unleaded gasoline
Oil Type:
Yamaha recommends specific API SG or higher, SAE 10W-30 or 20W-40 (Refer to manual for exact specification and capacity)
Length:
Refer to manual for exact dimensions
Width:
Refer to manual for exact dimensions
Height:
Refer to manual for exact dimensions
Dry Weight:
Approximately 198 kg (437 lbs) (Varies by year)
Curb Weight:
Refer to manual for exact curb weight
Towing Capacity:
Refer to manual for specific towing limits
Atv Safety Standards:
Designed to meet industry safety standards for ATVs of its era.
Braking System:
Hydraulic disc front brakes, drum rear brake.
Lighting:
Headlight, taillight/stoplight for visibility.
Operator Presence Control:
Standard ATV safety features typically include throttle lever safety interlocks.
Engine Oil Change:
Every 1000 km or 6 months, whichever comes first (Refer to manual for exact intervals and conditions).
Air Filter Cleaning:
Inspect every 500 km, clean or replace as needed. More frequent cleaning in dusty conditions.
Spark Plug Replacement:
Refer to manual for recommended replacement interval (typically based on hours or miles).
Brake Fluid Flush:
Recommended every 2 years (Refer to manual for specific recommendation).
Engine Oil:
API SG or higher, SAE 10W-30 or 20W-40 (Refer to manual for exact specification and viscosity based on temperature).
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid (Refer to manual for exact specification).
Gear Oil:
Yamalube SAE 80 hypoid gear oil or equivalent (Refer to manual for capacity and specification).
Carburetor Clogging:
Common with older ATVs, especially if fuel sits for long periods. Requires cleaning and potentially rebuilding.
Rear Axle Bearings:
Wear can occur over time, leading to noise or play. Manual provides inspection and replacement procedures.
Electrical Connector Corrosion:
Exposure to elements can lead to corroded electrical connections, affecting component function. Manual covers inspection and cleaning.
Heritage:
Yamaha has a long-standing reputation for producing reliable and durable powersports vehicles, including ATVs.
Evolution:
The Timberwolf line was a popular series of mid-size utility ATVs from Yamaha, known for their ruggedness and ease of use.
Production Years For Model:
1992-1998 (as covered by this manual)
