🏷️ Basic Information Identification Make: Yamaha Model: Wolverine 350 Year: 2001 Vehicle Type: All-Terrain Vehicle (ATV) Codes Chassis Code: YFM350X 👋 Introduction Market Position Positioning: The Yamaha Wolverine 350 (YFM350X) was a popular mid-size utility ATV known for its robust performance and reliability in recreational and light-duty work applications. Competitive Analysis Competitors: Competed with models like the Honda FourTrax 300/350, Suzuki QuadRunner 300/350, and Kawasaki Bayou 300/300. Key Features Features: Shaft drive, selectable 2WD/4WD (on some variants, though this manual focuses on a specific configuration), independent front suspension, and a reliable air-cooled engine. 📋 Manual Details Coverage Areas General Coverage: Comprehensive repair and maintenance for the 2001 Yamaha Wolverine 350. Specific Systems: Engine, drivetrain, suspension, brakes, electrical, chassis, bodywork, and more. Page Count Estimated Pages: 300-400 Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed disassembly, assembly, inspection, and repair of the engine, including cylinder head, piston, crankshaft, and valve train. Fuel System: Carburetor (Mikuni BS34) service, adjustment, and troubleshooting; fuel tank and line maintenance. Ignition System: CDI ignition system testing and troubleshooting, spark plug specifications. Drivetrain: Clutch operation, adjustment, and replacement; gearbox and differential service; drive shaft and universal joint maintenance. Suspension: Front and rear suspension component inspection, replacement (shocks, springs, linkages), and alignment specifications. Brakes: Hydraulic brake system service, including caliper overhaul, brake pad replacement, brake fluid specifications, and bleeding procedures. Electrical System: Wiring diagrams, battery service, starter motor, lighting, and charging system troubleshooting. Chassis Frame: Frame inspection, steering system service, and wheel bearing maintenance. Bodywork Trim: Body panel removal and installation, fender and rack components. Procedures Included Maintenance: Routine maintenance tasks, lubrication points, filter replacement, and fluid level checks. Troubleshooting: Systematic diagnostic procedures for common and uncommon issues. Repair: Step-by-step instructions for component repair and replacement. Disassembly Assembly: Detailed instructions for taking components apart and putting them back together. Adjustments: Specific adjustment procedures for clutch, carburetor, and brakes. Technical Depth Depth: Comprehensive, covering basic maintenance to advanced engine rebuilding and electrical system diagnostics. 📊 Manual Specifications File Format File Format: PDF Print Quality Quality: High-resolution, clear diagrams and text for easy readability and printing. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, SOHC, air-cooled Displacement: 348cc Bore X Stroke: 83.0 mm x 64.5 mm Compression Ratio: 9.7:1 Performance Horsepower: Approximately 19-20 HP (estimated, actual may vary) Torque: Not explicitly stated in product info, but robust for its class. Fuel System Carburetor Model: Mikuni BS34 Fuel Type: Unleaded gasoline, minimum 87 octane Oil Specifications Engine Oil Type: Yamalube 4 (or equivalent) SAE 20W-40 or SAE 10W-30 API SE, SF, SG, SH, SJ, or higher 🔧 Transmission Standard Transmission Type: 5-speed manual with automatic clutch and reverse Optional Optional Gearbox: N/A for this model year Features Drive System: Shaft drive, 2WD (rear-wheel drive) Fluid Specifications Transmission Oil Type: Yamalube Gear Oil (or equivalent) SAE 80 API GL-4 📐 Dimensions Exterior Overall Length: Approx. 74.2 inches (1885 mm) Overall Width: Approx. 41.3 inches (1050 mm) Overall Height: Approx. 41.7 inches (1060 mm) Weights Dry Weight: Approx. 454 lbs (206 kg) Fuel Capacity: 3.1 US gal (11.7 L), including 0.8 US gal (3.0 L) reserve Wheels Tires Front Tire Size: AT25x8-12 Rear Tire Size: AT25x10-12 Wheel Bolt Pattern: 4x110 mm 🛡️ Safety Features Ratings Safety Ratings: N/A (ATVs typically do not have NHTSA or IIHS ratings) Active Features Braking System: Hydraulic disc brakes front and rear. Passive Features Lighting: Dual 30W halogen headlights, 8W taillight/stoplight. Warnings Operator Safety: Manual emphasizes wearing protective gear, adhering to safe riding practices, and understanding load limits. 💡 Technology Features Infotainment Infotainment System: N/A (Basic utility ATV) Driver Assistance Assistance Features: N/A Connectivity Connectivity Options: N/A Starting System Starting Method: Electric start, with a backup manual recoil starter. 🔧 Maintenance Service Intervals Oil Change Interval: Every 1000 km (600 miles) or 6 months, whichever comes first. Air Filter Cleaning: Every 500 km (300 miles) or as needed based on operating conditions. Spark Plug Replacement: Recommended every 5000 km (3000 miles) or when fouled. Fluid Specifications Coolant Type: N/A (Air-cooled engine) Brake Fluid Type: DOT 3 or DOT 4. Known Issues Common Wear Items: Brake pads, drive shaft U-joints, carburetor jets (clogging), and battery terminals can be common wear items. Maintenance Tips: Regular cleaning of the air filter and carburetor bowl is crucial for optimal performance, especially in dusty conditions. 📚 Vehicle History Brand Heritage Yamaha Atv Legacy: Yamaha has a long history of innovation in the ATV market, pioneering many features and configurations. Model Evolution Wolverine Lineage: The Wolverine 350 was part of Yamaha's successful line of utility ATVs, building upon earlier models and evolving into more advanced versions. Production Production Period: The YFM350X was produced for many...