🏷️ Basic Information Identification Make: Yamaha Model: YFB 250 Timberwolf Year: 1996 Vehicle Type: All-Terrain Vehicle (ATV) Codes Model Code: YFB250 👋 Introduction Market Position Segment: Utility ATV, Mid-size Displacement Competitive Analysis Key Competitors 1996: Suzuki QuadRunner 250, Kawasaki Bayou 220/300, Honda FourTrax 250/300 Key Features Vehicle Focus: Versatile for hunting, farming, and recreational trail riding Manual Value Proposition Benefit To Owner: Empowers owners to perform repairs and maintenance, extending vehicle life and reducing costs 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics Page Count Estimated Page Count: Refer to actual manual; typically 200-400 pages for this type of vehicle Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Engine Overhaul, Tuning, Lubrication, Cooling System Carburetion: Carburetor Removal, Cleaning, Adjustment, Jetting Drivetrain: Transmission, Final Drive, Drive Shaft, Bearings Chassis: Frame, Suspension (Front & Rear), Steering, Wheels, Tires Electrical: Ignition System, Lighting, Charging System, Battery, Wiring Diagrams Brakes: Brake System Overhaul, Pad Replacement, Fluid Service Procedures Included Routine Maintenance: Oil Changes, Filter Replacements, Spark Plug Service, Chain Adjustment Troubleshooting: Diagnostic Procedures for Common Problems, Symptom Analysis Engine Rebuild: Complete Engine Disassembly, Reassembly, Component Inspection Electrical Diagnostics: Testing Components, Following Wiring Diagrams, Fault Finding Technical Depth Depth: Comprehensive: Covers basic adjustments to full engine and component rebuilds 📊 Manual Specifications File Format Readability: High-resolution PDF, Zoom In/Out functionality for clarity Extractability: Standard PDF extraction, compatible with WinZip and other archive tools Print Quality Printability: Printable pages, designed for home or professional workshop printing Binding Type Digital Binding: N/A (Digital Format) Paper Type Digital Medium: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Air-Cooled, 4-Stroke, SOHC Displacement: 230 cc Bore X Stroke: 65.0 mm x 68.4 mm (typical for this engine family) Compression Ratio: 9.2:1 (typical) Performance Horsepower: Approx. 17-19 HP @ 6500 RPM (estimated) Torque: Approx. 14-16 lb-ft @ 5500 RPM (estimated) Fuel System Carburetor Type: Mikuni VM Series (likely VM24 or similar) with Accelerator Pump Fuel Type: Unleaded Gasoline (Octane rating as per manual) Lubrication Oil Type: Yamalube 4W or equivalent API SG, JASO MA, SAE 10W-30 or 20W-40 depending on climate Oil Capacity: 1.70 L (1.8 US qt) with filter change (typical) Cooling System Type: Air-Cooled 🔧 Transmission Standard Transmission Type: 5-Speed Manual with Automatic Clutch Clutch Type: Wet, Multi-Disc, Manual Engagement (Foot Operated) Features Drive System: Shaft Drive to Rear Wheel Reverse Gear: Yes Fluid Type Transmission Oil: Yamalube 4W or equivalent API GL-4, SAE 80W-90 Gear Oil Fluid Capacity Transmission Oil Capacity: 0.55 L (0.58 US qt) (typical) 📐 Dimensions Exterior Length: 1960 mm (77.2 in) Width: 1095 mm (43.1 in) Height: 1115 mm (43.9 in) Wheelbase: 1270 mm (50.0 in) Weights Dry Weight: 218 kg (481 lbs) Ground Clearance: 175 mm (6.9 in) 🛡️ Safety Features Ratings Atv Safety Standards: Compliance with ANSI/SVIA standards (typical for the era) Active Features Braking System: Hydraulic Disc Front and Rear Passive Features Lighting: Dual Halogen Headlights, Taillight/Brake Light Throttle Limiter: Thumb Throttle with Return Spring 💡 Technology Features Infotainment Display Features: Basic Digital Instrument Cluster (Speedometer, Odometer, Neutral Indicator, High Beam Indicator) Driver Assistance Atv Assistance: N/A (This era ATV did not feature electronic driver aids) Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Engine Oil Change: Every 1000 km or 6 months (or as specified in the manual) Spark Plug Check: Every 1000 km or annually Air Filter Cleaning: Every 1000 km or as needed in dusty conditions Valve Clearance Check: Every 2000 km or annually Fluid Specifications Brake Fluid: DOT 3 or DOT 4 (as specified in the manual) Coolant: N/A (Air-Cooled) Known Issues Carburetor Performance: Can be susceptible to clogging if fuel is not clean; accelerator pump can wear Suspension Bushings: Wear on A-arm bushings is common with age and heavy use Electrical Connections: Corrosion on connectors can lead to intermittent electrical issues Common Part Numbers Oil Filter: Yamaha Genuine Part Number (e.g., 4X7-13440-90-00 or equivalent aftermarket) Spark Plug: NGK CR7E or equivalent 📚 Vehicle History Brand Heritage Yamaha Atv Legacy: Yamaha has been a pioneer in ATV development since the 1980s, known for robust engineering. Model Evolution Timberwolf Lineage: The Timberwolf series was Yamaha's entry into the mid-size utility/sport ATV market, offering a balance of capability and affordability. Production Manufacturing Location: Japan (typical for Yamaha ATVs of this era) 🏆 Awards & Recognition Recognitions Industry Awards: While specific awards for the 1996 YFB 250 Timberwolf are not widely documented, Yamaha ATVs of this period were generally well-regarded for their reliability and performance in their class.