🏷️ Basic Information Identification Make: Yamaha Model: YFB250 Timberwolf Year: 1993-2000 Type: All-Terrain Vehicle (ATV) Drivetrain: 4x4 👋 Introduction Market Position Market Position: The Yamaha YFB250 Timberwolf was positioned as a versatile, reliable utility ATV, popular for recreational trail riding, light farm work, and general off-road use. Its 4x4 capability enhanced its utility and appeal in varied terrain. Competitive Analysis Competitive Analysis: Competed against similar displacement utility ATVs from brands like Honda (e.g., TRX300 FourTrax), Suzuki (e.g., QuadRunner 250), and Kawasaki (e.g., Bayou 220/300), offering a balance of performance, durability, and value. Key Features Key Features: Robust 4x4 drivetrain, reliable air-cooled engine, comfortable seating, independent front suspension (on some models/years), and a reputation for durability and ease of maintenance. 📋 Manual Details Coverage Coverage Areas: General Information, Specifications, Periodic Inspection and Adjustment, Engine Overhaul, Carburetion, Drivetrain, Chassis, Electrical, Troubleshooting Page Count Page Count: Not specified (Digital Download - Full Coverage) Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Format: PDF (Downloadable) 📖 Manual Coverage Systems Covered Systems Covered: Engine Mechanical, Fuel System (Carburetion, Fuel Tank, Fuel Pump), Ignition System, Lubrication System, Cooling System (if applicable), Exhaust System, Transmission (Drive Train), Suspension (Front Forks, Rear Swingarm/Strut), Steering System, Braking System (Front and Rear Brakes, Rotors, Pads), Electrical System (Wiring Harness, Lights, Battery, Starter, Magneto, Rectifier/Regulator), Chassis Components (Frame, Body Panels, Plastics, Fenders), Wheels and Tires Procedures Included Procedures Included: Routine maintenance, inspections, adjustments, troubleshooting, diagnostics, complete engine rebuilds, carburetor tuning and rebuilding, transmission service, suspension repair, brake service, electrical system diagnosis and repair, component replacement, installation guides, fluid changes, component torque specifications. Technical Depth Technical Depth: Comprehensive OEM-level detail, suitable for both DIY enthusiasts and professional mechanics. Covers everything from basic maintenance checks to complete overhaul procedures, including detailed diagrams, schematics, and torque specifications. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-quality, printable pages for easy reference. Binding Type Binding Type: Digital Download (N/A for binding) Paper Type Paper Type: Digital (N/A for paper type) ⚙️ Engine Specifications Primary Engine Primary Engine: 246cc, Air-cooled, 4-stroke, SOHC, Single-cylinder Performance Horsepower: Approximately 17-19 HP (Est. based on similar models) Torque: Not specified (Digital Download) Fuel System Fuel System: Carburetor (Specific model varies, likely Mikuni BS34 or similar) Ignition Ignition: CDI (Capacitor Discharge Ignition) Bore X Stroke Bore X Stroke: Not specified (Digital Download) Compression Ratio Compression Ratio: Not specified (Digital Download) 🔧 Transmission Standard Transmission Type: 5-speed constant mesh with reverse Optional Optional Transmission: N/A (Standard manual transmission) Features Clutch Type: Wet, multiple disc Drive Shaft: Shaft Drive (Front and Rear) 📐 Dimensions Weights Dry Weight: Approximately 232 kg (511 lbs) (Est. for 4x4 model) Curb Weight: Not specified (Digital Download) Ground Clearance: Approximately 185 mm (7.3 in) (Est.) Exterior Length: Approximately 1970 mm (77.6 in) (Est. for 4x4 model) Width: Approximately 1055 mm (41.5 in) (Est. for 4x4 model) Height: Approximately 1050 mm (41.3 in) (Seat Height - Est.) Cargo Front Rack Capacity: Not specified (Digital Download) Rear Rack Capacity: Not specified (Digital Download) 🛡️ Safety Features Ratings Safety Ratings: N/A (ATVs typically not rated by safety organizations like NHTSA in the same way as passenger cars) Active Features Active Features: Front and rear drum or disc brakes (depending on specific model/year), effective 4x4 system for traction. Passive Features Passive Features: Durable chassis, sturdy handlebars for control, comfortable seat for operator stability. 💡 Technology Features Infotainment Infotainment System: N/A (Basic utility ATV, no infotainment features) Driver Assistance Driver Assistance: N/A (Basic utility ATV, no electronic driver assistance features) Connectivity Connectivity: N/A (No external connectivity features) 🔧 Maintenance Service Intervals Initial Service: Refer to manual for break-in service recommendations (typically around 100-500 miles or 20-50 hours). Oil Change Interval: Refer to manual; typically every 1000-2000 miles or 50-100 hours, or annually. Air Filter Cleaning: Refer to manual; frequent checks and cleaning recommended, especially in dusty conditions. Spark Plug Replacement: Refer to manual; typically every 5000-7000 miles or 250-350 hours. Fluid Specifications Engine Oil Type: Yamalube 4 (or equivalent SAE 10W-30 or 20W-40 API SG or higher, JASO MA certified motorcycle oil) Engine Oil Capacity: Refer to manual (Typically around 1.5-2.0 liters). Gear Oil Type: Yamalube Gear Oil (or equivalent SAE 80W GL-3 or GL-4 hypoid gear oil for bevel gear box) Brake Fluid Type: DOT 3 or DOT 4 brake fluid Coolant Type: N/A (Air-cooled engine) Known Issues Common Issues: Carburetor gumming/fouling if not run regularly, occasional starter motor issues, wear on suspension components (bushings, bearings) due to off-road use, potential for water ingress into drivetrain if submerged improperly. Preventative Maintenance: Regularly run the engine, use fuel stabilizer for long-term storage, inspect and lubricate suspension and drivetrain components, clean air filter frequently. 📚 Vehicle History Brand Heritage Brand Heritage: Yamaha has a long-standing reputation for building high-quality motorcycles, scooters, and ATVs, known for their...