This manual covers the YFM 350 Wolverine, also known as the Wolverine, produced from 1987 to 2006. This versatile all-terrain vehicle (ATV) is recognized for its reliable 348cc air-cooled engine, capable suspension, and user-friendly operation, making it suitable for both recreational riders and utility tasks. Its durable construction and blend of performance and practicality have established it as a solid choice in its market segment, offering a dependable option for various off-road applications. This comprehensive service and repair manual provides detailed information essential for maintaining and repairing all YFM 350 Wolverine models produced within the specified years. It covers a wide range of topics including engine mechanical and electrical systems, fuel system, transmission, brakes, suspension, and frame. Included are procedures for preventative maintenance, troubleshooting, component rebuilding, torque specifications, and detailed wiring diagrams, all designed to assist owners and technicians in ensuring the longevity and optimal performance of their vehicle. 🏷️ Basic Information Identification Make: Yamaha Model: YFM 350 Wolverine Model Nickname: Wolverine Product Type: Service Repair Manual Product Format: PDF Download Codes Chassis Codes: Varies by generation and sub-model (e.g., 4KB for some models) 👋 Introduction Market Position Atv Segment: Entry-level to mid-range recreational and utility ATV. Target Audience: Recreational riders, utility users, and DIY mechanics. Competitive Analysis Key Competitors: Honda FourTrax 300/350, Kawasaki Bayou 300, Suzuki QuadRunner 300. Key Features Vehicle Strengths: Reliable 348cc engine, capable suspension for its class, user-friendly operation, durable construction. Manual Value Proposition: Empowers owners to perform comprehensive maintenance and repairs, saving time and money, ensuring longevity. 📋 Manual Details Coverage Areas Years Covered: 1987-2006 Model Variants Covered: All YFM 350 Wolverine models within the specified year range Page Count Estimated Page Count: 400-600+ (typical for comprehensive service manuals) Manual Type Manual Type: Service and Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, disassembly, assembly, inspection, and repair of all internal engine components. Engine Electrical: Ignition system, charging system, starting system, wiring diagrams, component testing. Fuel System: Carburetor (Mikuni BS34, VM32, etc.) adjustment, cleaning, rebuilding, fuel pump, fuel lines, fuel tank. Transmission Drivetrain: Manual transmission (5-speed), clutch operation, drive shafts, rear differential, chain drive maintenance and adjustment. Suspension Steering: Front and rear suspension components, shock absorbers, springs, steering linkage, wheel bearings, alignment. Brakes: Front and rear brake systems (hydraulic disc), master cylinder, calipers, brake pads, brake lines, bleeding procedure. Electrical System: Headlights, taillights, turn signals, battery, fuses, switches, ignition coil, CDI unit, troubleshooting. Cooling System: Air-cooled engine, cooling fins, heat dissipation. Frame Bodywork: Chassis, fenders, plastics, seat, handlebars, general body panel repair and removal. Procedures Included Preventative Maintenance: Regular checks, lubrication points, fluid changes, filter replacements, chain adjustment. Troubleshooting Diagnostics: Step-by-step guides for identifying and resolving common and uncommon problems. Component Rebuilding: Detailed instructions for rebuilding carburetors, brake calipers, engine components. Wiring Diagrams: Comprehensive electrical schematics for accurate diagnosis and repair. Torque Specifications: Critical torque values for engine, transmission, and chassis fasteners. Special Tools: Identification of required specialized tools for specific repair procedures. Technical Depth Depth Of Coverage: Comprehensive, covering everything from routine maintenance to complete engine and transmission rebuilds. Diagnostic Capability: Advanced diagnostic procedures for electrical and mechanical systems. Illustration Quality: Detailed photos and illustrations to guide repairs. 📊 Manual Specifications File Format File Format Details: Searchable PDF for easy navigation and keyword finding. Print Quality Print Readability: High-resolution PDF suitable for printing individual pages or the entire manual. Binding Type Binding Type N A: N/A (Digital PDF) Paper Type Paper Type N A: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, air-cooled Displacement: 348cc (348 cubic centimeters) Bore X Stroke: Approx. 82.0 mm x 67.2 mm Compression Ratio: Approx. 9.2:1 (varies slightly by model year) Performance Horsepower: Approx. 20-22 HP (varies by year and specific tuning) Torque: Approx. 20-22 lb-ft (varies by year) Fuel System Carburetor Model: Mikuni BS34, VM32 (depending on model year and specific variant) Fuel Type: Unleaded Gasoline Fuel Tank Capacity: Approx. 2.6 US gallons (9.8 Liters) 🔧 Transmission Standard Transmission Type: 5-speed manual with reverse Clutch Type: Wet, multi-plate Features Final Drive: O-ring sealed chain 📐 Dimensions Exterior Overall Length: Approx. 73.5 inches (1868 mm) Overall Width: Approx. 42.1 inches (1070 mm) Overall Height: Approx. 43.7 inches (1109 mm) Wheelbase: Approx. 49.0 inches (1245 mm) Weights Dry Weight: Approx. 452 lbs (205 kg) Ground Clearance: Approx. 6.7 inches (170 mm) 🛡️ Safety Features Ratings Safety Certifications: Designed to meet ANSI/SVIA standards for recreational ATVs. Active Features Braking System: Hydraulic disc brakes front and rear for reliable stopping power. Lighting: Halogen headlights, brake light, and taillight for visibility. Passive Features Rollover Protection: Standard ATV design with rider positioning for stability. Footwells: Full floorboards with heel guards for rider protection. 💡 Technology Features Infotainment Infotainment Features: N/A (Focus on utility and mechanical function, not typically equipped with...