🏷️ 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 infotainment systems). Driver Assistance Driver Assistance Systems: N/A (Basic ATV design). Connectivity Connectivity Features: N/A (No electronic connectivity features). 🔧 Maintenance Service Intervals Oil Change Interval: Every 1,000 km or 6 months; Every 100 hours of operation. Air Filter Cleaning: Clean every 500 km or 50 hours; Replace as needed. Spark Plug Replacement: Replace every 4,000 km or 24 months. Chain Lubrication Adjustment: Lubricate every 500 km or 50 hours; Adjust chain slack as per manual specifications. Fluid Specifications Engine Oil Type: Yamalube 4 (or equivalent) SAE 10W-30 API SE, SF, or SG classification. Engine Oil Capacity: Approx. 1.7 Liters (1.8 US qt) without oil filter change; 1.9 Liters (2.0 US qt) with filter change. Transmission Oil Type: Yamaha Gear Oil (or equivalent) SAE 80 API GL-4. Transmission Oil Capacity: Approx. 0.7 Liters (0.74 US qt). Brake Fluid Type: DOT 3 or DOT 4 hydraulic brake fluid. Known Issues...