Basic Information Identification Make: Yamaha Model: YFB 250 Timberwolf Year: 1995 Vehicle Type: All-Terrain Vehicle (ATV) Product Name: Yamaha ATV YFB 250 Timberwolf 1995 Factory Service Repair Manual Introduction Market Position Target User: ATV owners, mechanics, and DIY enthusiasts. Purpose: To provide comprehensive repair and service information for the Yamaha YFB 250 Timberwolf 1995. Competitive Analysis Analogy: This manual is equivalent to the official dealer's workshop manual. Key Features Ease Of Use: Designed to be simple to use with clear instructions. Completeness: Covers every part of the vehicle, from basic maintenance to complex repairs. Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: PDF Digital Features: Zoom in/out Software Requirements: Adobe PDF Reader, WinZip Operating System Compatibility: All Versions of Windows & Mac Manual Coverage Systems Covered General Information: Includes general overview and safety precautions. Specifications: Detailed technical specifications for all components. Periodic Inspections And Adjustment: Covers routine maintenance schedules and adjustment procedures. Engine Overhaul: Comprehensive engine tear-down, inspection, and reassembly instructions. Chassis: Covers frame, suspension, steering, and wheel components. Drive Train: Details on transmission, drive shafts, differentials, and final drive. Carburation: In-depth coverage of carburetor tuning, cleaning, and repair. Electrical: Wiring diagrams, component testing, and electrical system troubleshooting. Troubleshooting: Diagnostic procedures for common and uncommon issues. Procedures Included Maintenance Procedures: Oil changes, filter replacements, spark plug service, chain adjustment, lubrication points. Repair Procedures: Engine rebuilds, transmission overhauls, brake caliper replacement, carburetor rebuilding, electrical component repair. Diagnostic Procedures: Troubleshooting guides for starting issues, performance problems, and electrical faults. Technical Depth Level Of Detail: Factory-level, step-by-step instructions with diagrams. Diagrams Illustrations: Detailed diagrams and illustrations for all workshop procedures. Torque Specifications: Precise torque settings for all fasteners. Fluid Capacities: Exact fluid capacities for engine oil, transmission, coolant, etc. Manual Specifications File Format File Type: PDF Searchable Text: Likely, given PDF format and intended use. Print Quality Printability: Designed for clear printing of text and diagrams. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) Engine Specifications Primary Engine Engine Type: Air-cooled, 4-stroke, SOHC Displacement: 230 cc (Approximate, based on model typicality) Bore X Stroke: Specific details likely in manual, but typical for this class. Performance Horsepower: Details available in manual. Torque: Details available in manual. Fuel System Fuel Delivery: Carburetor Carburetor Model: Specific model (e.g., Mikuni VM series) detailed in manual. Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Optional Transmission Options: N/A (Typically a single transmission type for this model) Features Drive System: 2WD (Two-Wheel Drive) Gearbox: Forward, Neutral, Reverse Dimensions Exterior Length: Specific dimensions available in manual. Width: Specific dimensions available in manual. Height: Specific dimensions available in manual. Weights Dry Weight: Specific weight available in manual (typically around 200-230 kg). Payload Capacity: Details available in manual. Safety Features Ratings Safety Standards: Adheres to ATV safety standards of the era. Active Features Braking System: Hydraulic disc brakes (front and rear). Parking Brake: Mechanical parking brake, typically on rear caliper or drum. Passive Features Lighting: Headlight, taillight, brake light. Handlebar Design: Designed for rider control and stability. Technology Features Infotainment Instrumentation: Basic digital and analog instrumentation (speedometer, odometer, neutral indicator, etc.). Driver Assistance Assist Features: N/A (Focus on mechanical operation). Connectivity Connectivity Options: N/A (No modern connectivity features). Maintenance Service Intervals Engine Oil Change: Typically every 30-50 operating hours or annually, as specified in the manual. Air Filter Cleaning: Frequent cleaning/replacement depending on operating conditions, detailed in manual. Spark Plug Inspection: Periodic inspection and replacement as needed, with gap specifications in manual. Fluid Specifications Engine Oil Type: Yamaha's recommended Yamalube or equivalent API SE, SF, or SG service classification SAE 10W-40 or 20W-40 motorcycle oil (details in manual). Brake Fluid Type: DOT 3 or DOT 4 hydraulic brake fluid (details in manual). Known Issues Common Wear Items: Carburetor gumming, starter motor issues, swingarm bushings, wheel bearings. Maintenance Importance: Adhering to the maintenance schedule in the manual is crucial for longevity and performance. Vehicle History Brand Heritage Yamaha Legacy: Yamaha has a long-standing reputation for producing reliable and performance-oriented powersports vehicles. Model Evolution Timberwolf Lineage: The Timberwolf line was known for its utility and off-road capabilities, appealing to recreational riders and those needing to traverse varied terrain. Production Production Era: Mid-1990s, a period of significant growth and refinement in the ATV market.