🏷️ Basic Information Identification Make: Yamaha Model: Wolverine Sub Model: 350/400 Type: ATV (All-Terrain Vehicle) Codes Product Code Identifier: 2003-2009 PDF 👋 Introduction Market Position Vehicle Segment: Mid-size utility ATV, popular for recreational trail riding and light work tasks. Competitive Analysis Competitors: Polaris Sportsman, Honda FourTrax, Suzuki King Quad, Kawasaki Bayou. Key Features Vehicle Strengths: Reliability, torquey engine, comfortable ride, capable off-road performance. Manual Value Proposition Benefits For Owner: Empowers owners to perform routine maintenance, diagnose issues, and complete repairs, saving time and money on dealership visits. Benefits For Mechanic: Provides essential technical data, specifications, and procedures for efficient and accurate workshop repairs. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Electrical Diagrams, Maintenance, Troubleshooting Page Count Estimated Pages: Varies by specific model and year (typically 300-500 pages for comprehensive manuals of this era) Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF (Portable Document Format) 📖 Manual Coverage Systems Covered Powertrain: Engine (Top End, Bottom End, Cooling, Lubrication), Transmission (Clutch, Gearbox, Driveshafts) Chassis: Suspension (Front and Rear), Steering System, Braking System (Front and Rear), Wheels and Tires Electrical: Ignition System, Lighting System, Charging System, Starting System, Wiring Diagrams, Switches, Sensors Body And Frame: Frame, Body Panels, Seat, Handlebars, Fenders, Racks Procedures Included Routine Maintenance: Oil Changes, Filter Replacements, Spark Plug Service, Air Filter Cleaning/Replacement, Chain Adjustment/Lubrication, General Inspection Repair And Rebuild: Engine Rebuild (Piston, Rings, Valves, Crankshaft), Transmission Overhaul, Carburetor Cleaning and Adjustment, Brake Caliper Service, Suspension Component Replacement, Electrical Component Diagnosis and Replacement Troubleshooting: Diagnostic Flowcharts, Common Problem Identification and Solutions, Symptom-Based Troubleshooting Technical Depth Level Of Detail: Comprehensive workshop-level repair procedures with step-by-step instructions and detailed diagrams. Diagnostic Capability: Advanced diagnostic procedures, including testing of electrical circuits, fuel system components, and engine performance parameters. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Digital Quality: High-resolution scanned pages, optimized for digital viewing and printing. Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper: N/A (Digital Download) Accessibility Searchability: Typically text-searchable PDF, allowing for quick location of specific topics. ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, Air-Cooled (for 350 model); 4-stroke, SOHC, Liquid-Cooled (for 400 model, typically) Displacement: Approximately 348cc (350 model), Approximately 386cc (400 model, depending on exact variant) Bore X Stroke: Refer to specific model year in manual for exact dimensions. Compression Ratio: Refer to specific model year in manual for exact ratio. Performance Horsepower Estimate: Typically in the 20-25 HP range, depending on specific model and tuning. Torque Estimate: Torquey delivery suitable for trail riding and moderate hauling. Fuel System Fuel Delivery: Carburetor (e.g., Mikuni VM Series or similar) Fuel Type: Unleaded Gasoline (Octane rating specified in manual) Ignition Ignition System: CDI (Capacitor Discharge Ignition) Cooling System Cooling Method: Air-cooled (350) or Liquid-cooled (400) 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) with Reverse, Neutral, and Forward gears. Drive System: Shaft Drive, 2WD or 4WD depending on sub-model. Features Clutch Type: Automatic Centrifugal Clutch Fluid Specifications Transmission Fluid Type: Yamalube (or equivalent API GL-4 SAE 80W-90 hypoid gear oil for final drive, check manual for specific CVT fluid spec). 📐 Dimensions Exterior Length: Refer to specific model year in manual for exact dimensions (typically around 75-80 inches). Width: Refer to specific model year in manual for exact dimensions (typically around 42-46 inches). Height: Refer to specific model year in manual for exact dimensions (typically around 44-47 inches). Weights Dry Weight: Refer to specific model year in manual for exact weight (typically in the 500-600 lbs range). Ground Clearance: Refer to specific model year in manual for exact ground clearance (typically 8-11 inches). Capacities Fuel Tank Capacity: Typically around 3.2-3.7 gallons. Oil Capacity: Refer to specific model year in manual for exact oil capacity (engine oil). 🛡️ Safety Features Ratings Vehicle Safety Design: Designed for off-road use, user assumes responsibility for safe operation and adherence to local regulations. Active Features Braking System: Hydraulic disc brakes front and rear. Lighting: Dual halogen headlights, taillight, and brake light. Passive Features Operator Controls: Thumb throttle, handlebar controls for braking and gear selection. 💡 Technology Features Infotainment Display Features: Basic digital instrument cluster displaying speed, odometer, trip meter, 4WD indicator, gear indicator (if equipped). Driver Assistance Atv Specific Features: Engine braking provided by the CVT transmission. Connectivity Connectivity Options: N/A for this model era, focused on core off-road functionality. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100 hours or 6 months, refer to manual for precise intervals based on usage. Air Filter Service: Inspect and clean/replace every 20-40 hours or as needed based on dusty conditions. Spark Plug Replacement: Typically every 100-200 hours or annually, consult manual for specific plug type and gap. Valve Clearance Check: Periodic check and adjustment recommended, typically every 500-1000 hours or as per manual schedule. Fluid Specifications Engine...