This manual provides comprehensive information for the 2001 Yamaha YFM Wolverine 350, a versatile All-Terrain Vehicle (ATV) designed for both recreational riding and utility tasks. Known for its reliable, torquey internal combustion engine and robust construction, the YFM Wolverine 350 offers a comfortable riding position and dependable performance. Key features include independent double wishbone front suspension and a swingarm rear suspension, providing a stable and capable platform for various terrains. This model, chassis code YFM350ER, represents a solid choice for riders seeking a durable and capable ATV. This Service Repair Manual is your essential guide to maintaining and repairing the 2001 Yamaha YFM Wolverine 350. It covers all critical systems, including detailed engine overhaul procedures, fuel system maintenance, transmission servicing, electrical system diagnostics with wiring diagrams, chassis and frame inspection, and braking system repair. The manual also includes essential maintenance schedules, troubleshooting guides with diagnostic flowcharts, and step-by-step instructions for repairs and rebuilds. With high-resolution, searchable, and printable content, this English-language manual is designed to assist owners and technicians in ensuring the longevity and optimal performance of their vehicle. 🏷️ Basic Information Identification Make: Yamaha Model: YFM Wolverine 350 Year: 2001 Vehicle Type: All-Terrain Vehicle (ATV) Engine Type: Internal Combustion Codes Chassis Code: YFM350ER 👋 Introduction Market Position Category: Utility ATV Target User: Recreational riders, utility users, farm work Competitive Analysis Competitors: Honda FourTrax 350, Suzuki QuadSport Z400, Kawasaki Bayou 300 Key Features Features: Reliable, torquey engine, comfortable riding position, robust suspension, selectable 2WD/4WD (depending on sub-model) 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: Downloadable PDF Digital Quality: High-resolution, searchable text, printable pages 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, troubleshooting, diagnosis, performance tuning Fuel System: Carburetor disassembly, cleaning, adjustment, fuel pump, fuel lines Transmission: Clutch, gearbox, final drive, lubrication, repair Electrical System: Ignition system, lighting, battery, charging system, starter, wiring diagrams Chassis And Frame: Frame inspection, steering, suspension, wheels, hubs Braking System: Front and rear brake caliper service, hydraulic system, bleeding, pad replacement Cooling System: Radiator, fan, coolant, hoses, thermostat (if applicable) Exhaust System: Muffler, exhaust pipes, gaskets, inspection Body And Trim: Body panel removal, installation, seat, fenders, handlebars Procedures Included Maintenance: Regular service checks, lubrication, filter changes, spark plug replacement Troubleshooting: Diagnostic flowcharts, common problem identification and solutions Repair: Step-by-step repair instructions for all major components Rebuild: Comprehensive engine and transmission rebuild procedures Installation: Instructions for accessory installation and component replacement Technical Depth Depth: Factory-level diagnostic procedures, detailed torque specifications, electrical schematics 📊 Manual Specifications File Format File Type: PDF Print Quality Resolution: High-resolution, suitable for professional printing Searchable: Yes Printable: Yes Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Make: Yamaha Engine Model: 3GD Engine Displacement: 348cc Engine Bore X Stroke: 83mm x 64.5mm Engine Configuration: Air-cooled, 4-stroke, SOHC, 2-valve Engine Compression Ratio: 8.7:1 Engine Power: Approximately 19 hp @ 5500 rpm (estimated, factory figures vary) Engine Torque: Approximately 20 lb-ft @ 4500 rpm (estimated) Fuel System Fuel Delivery: Mikuni BNS32 carburetor Fuel Type: Unleaded gasoline (91 octane or higher recommended) Lubrication Oil Type: Yamalube 4 (or equivalent) SAE 20W-40 API SG or higher Oil Capacity: 1.9 L (2.0 US qt) with oil filter change Ignition Ignition System: CDI (Capacitor Discharge Ignition) Spark Plug: NGK CR7E (or equivalent) Cooling System Cooling Method: Air-cooled 🔧 Transmission Standard Transmission Type: Constant mesh, 5-speed semi-automatic with reverse Clutch Type: Wet, multiple-disc Drive Type: Shaft drive to rear wheels, optional 4WD system Features Gear Ratios: Refer to manual for specific gear ratios Lubrication Transmission Oil Type: Yamalube 4 (or equivalent) SAE 10W-40 API SG Transmission Oil Capacity: 0.8 L (0.85 US qt) 📐 Dimensions Exterior Length: 1,960 mm (77.2 in) Width: 1,095 mm (43.1 in) Height: 1,120 mm (44.1 in) Wheelbase: 1,235 mm (48.6 in) Ground Clearance: 260 mm (10.2 in) Weights Dry Weight: 232 kg (511 lbs) Fuel Capacity: 14 L (3.7 US gal) Suspension Front Suspension Type: Independent double wishbone Front Suspension Travel: 150 mm (5.9 in) Rear Suspension Type: Swingarm with single shock absorber Rear Suspension Travel: 160 mm (6.3 in) Wheels And Tires Front Tire Size: AT25x8-12 Rear Tire Size: AT25x10-12 Front Wheel Size: 12x7.0 Rear Wheel Size: 12x8.0 Bolt Pattern: 4x110mm 🛡️ Safety Features Ratings Safety Standards: Manufactured to meet relevant ATV safety standards of the time. Active Features Braking System: Hydraulic disc brakes front and rear Passive Features Lighting: Dual 30W headlights, 8W taillight/stoplight Controls: Handlebar steering with comfortable grips 💡 Technology Features Infotainment Display: Basic LCD meter with speed, odometer, trip meter, neutral indicator, reverse indicator Driver Assistance Features: Not applicable for this model year and type Connectivity Features: Not applicable 🔧 Maintenance Service Intervals Engine Oil Change: Every 1,000 km (600 miles) or 6 months Air Filter Cleaning: Every 500 km (300 miles)...