Model:
Timberwolf 250 4x4
Product Type:
Service Repair Manual
Model Years Covered:
1994, 1995, 1996, 1997, 1998, 1999, 2000
Vehicle Type:
All-Terrain Vehicle (ATV)
Target Audience:
DIY enthusiasts, independent repair shops, ATV owners seeking to maintain and repair their vehicle.
Value Proposition:
Provides comprehensive, factory-level information at a fraction of the cost of dealership service. Enables self-sufficiency in maintenance and repairs.
Manual Attributes:
Original Yamaha documentation, step-by-step instructions, troubleshooting support, detailed illustrations, professional technician standard.
Delivery Method:
Instant digital download, accessible immediately after purchase.
Primary Coverage:
Service, Repair, Maintenance, Troubleshooting, Restoration, Diagnosis
Estimated Page Count:
Varies (up to 5GB file size implies extensive detail, likely 500+ pages)
Manual Category:
Factory Service Manual / Workshop Manual
Delivery Format:
Digital Download (PDF, ZIP, RAR, EXE)
Powertrain:
Engine, Transmission, Drivetrain (4x4 System)
Chassis And Suspension:
Frame, Suspension (Front and Rear), Steering, Axles
Braking System:
Front and Rear Brakes, Hydraulic System
Fuel And Exhaust:
Fuel Tank, Fuel Lines, Carburetion, Exhaust System
Cooling System:
Radiator, Coolant, Fan
Electrical System:
Ignition System, Lighting, Battery, Charging System, Starters, Wiring Diagrams
Body And Trim:
Body Panels, Fenders, Seat, Handlebars
Maintenance Procedures:
Oil Changes, Filter Replacements, Spark Plug Service, Carburetor Cleaning/Adjustment, Brake Bleeding, Chain Adjustment (if applicable), General Lubrication
Repair Procedures:
Engine Rebuild (Top and Bottom End), Transmission Overhaul, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Replacement, Drivetrain Component Repair
Troubleshooting:
Diagnostic Flowcharts for Common Issues, Symptom-Based Troubleshooting Guides
Technical Specifications:
Torque Specifications, Clearances, Timing Settings, Fluid Capacities and Specifications, Electrical Specifications
Restoration:
Guidance for restoring components and the overall ATV to original specifications.
Diagnostic Capability:
Advanced diagnostic procedures, including electrical system troubleshooting using wiring diagrams.
Rebuild Scope:
Comprehensive engine and transmission rebuild procedures, including detailed component breakdowns and assembly instructions.
Customization Guidance:
While primarily for repair, provides foundational knowledge for understanding component functions which aids in safe modifications.
Compression:
May be zipped (.zip, .rar) for larger files.
Printable:
Yes, no printing restrictions.
Illustration Quality:
Zoomable illustrations, detailed component explosions, exploded views.
Binding:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
Operating Systems:
Windows, Linux, macOS (Requires PDF Reader, potentially WinZip/WinRAR)
Engine Type:
Four-stroke, Air-cooled, SOHC, Single-cylinder
Displacement:
230 cc (Approximate - specific to 250 model designation)
Bore X Stroke:
Refer to manual for exact specifications
Compression Ratio:
Refer to manual for exact specifications
Horsepower:
Refer to manual for exact specifications (typically in the 15-20 HP range for this class)
Torque:
Refer to manual for exact specifications
Carburetor:
Mikuni VM Series (likely a VM32 or similar, specific model number in manual)
Fuel Type:
Unleaded gasoline
Fuel Capacity:
Refer to manual for exact specifications (typically 2.5-3.5 gallons)
Cooling Method:
Air-cooled
Oil Type:
Refer to manual for specific Yamaha API SG or higher, SAE 10W-30 or 20W-40 (depending on temperature)
Oil Capacity:
Refer to manual for exact specifications
Ignition System:
CDI (Capacitor Discharge Ignition)
Spark Plug Type:
Refer to manual for exact specifications (e.g., NGK DPR7EA-9 or similar)
Length:
Refer to manual for exact specifications (typically around 75-80 inches)
Width:
Refer to manual for exact specifications (typically around 40-45 inches)
Height:
Refer to manual for exact specifications (typically around 40-45 inches)
Dry Weight:
Refer to manual for exact specifications (typically around 450-500 lbs)
Ground Clearance:
Refer to manual for exact specifications (typically around 8-10 inches)
Towing Capacity:
Refer to manual for exact specifications (typically around 500-1000 lbs)
Payload Capacity:
Refer to manual for exact specifications (typically around 250-350 lbs)
Atv Safety Standards:
Adheres to industry safety standards for ATVs. Manual provides safety guidelines and operational warnings.
Braking System Type:
Hydraulic disc brakes (front and rear)
Lighting:
Headlights, Taillight/Brake Light
Safety Equipment:
Handlebar controls, throttle limiter (potentially adjustable for new riders), seating position for stability.
Dashboard Display:
Basic analog speedometer, odometer, and indicator lights (e.g., neutral, oil pressure, 4x4 indicator).
Atv Features:
Shift lever for 2WD/4WD engagement, possibly a locking front differential selector.
Vehicle Connectivity:
N/A (Basic ATV design of the era)
Engine Oil Change:
Refer to manual; typically every 1,000 km or 100 hours of operation, or annually.
Air Filter Cleaning:
Refer to manual; typically every 500 km or 50 hours, more frequently in dusty conditions.
Spark Plug Replacement:
Refer to manual; typically every 5,000 km or 500 hours, or as needed based on inspection.
Carburetor Cleaning:
Refer to manual; as needed, typically annually or if performance issues arise.
Engine Oil:
Yamalube API SG or higher, SAE 10W-30 or 20W-40 (confirm specific viscosity range by ambient temperature from manual).
Transmission Gear Oil:
SAE 80W hypoid gear oil (for final drive/gearbox).
Coolant Type:
Ethylene glycol-based antifreeze and water mixture (50:50 ratio recommended, confirm specific type and capacity in manual).
Common Wear Items:
Brake pads, tires, suspension bushings, drive shaft boots, carburetor jets (clogging).
Potential Engine Concerns:
Overheating if cooling system is neglected, carburetor performance issues due to fuel quality or debris.
Potential Drivetrain Concerns:
Wear on U-joints, potential for CV boot tears leading to joint damage.
Preventative Maintenance:
Regular cleaning, lubrication of pivot points, proper tire inflation, and adherence to service intervals are crucial for longevity.
Yamaha Atv Legacy:
Yamaha has a long-standing reputation for building reliable and capable ATVs, often pioneers in the segment.
Timberwolf Positioning:
The Timberwolf was positioned as a mid-size, versatile utility ATV, known for its 4x4 capability and user-friendly operation in its era.
Production Period:
1994-2000
Manufacturing Location:
Primarily Japan, by Yamaha Motor Corporation.
