🏷️ 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) or 3 months Spark Plug Replacement: Every 5,000 km (3,000 miles) or 24 months Valve Clearance Check: Every 5,000 km (3,000 miles) or 24 months Brake Fluid Check: Every 1,000 km (600 miles) or 6 months Fluid Specifications Engine Oil: Yamalube 4 (or equivalent) SAE 20W-40 API SG Transmission Oil: Yamalube 4 (or equivalent) SAE 10W-40 API SG Brake Fluid: DOT 3 or DOT 4 Coolant: Not applicable (air-cooled) Known Issues Common Problems: Carburetor clogging due to fuel varnish, occasional starter motor issues, wear on suspension bushings Preventative Measures: Regular fuel stabilizer use, consistent maintenance schedule, proper storage 📚 Vehicle History Brand Heritage Manufacturer: Yamaha Motor Corporation is a Japanese manufacturer of motorcycles, marine products, and other motorized products. Model Evolution Predecessors: The Wolverine line evolved from Yamaha's earlier ATV models, building on proven engine and chassis designs. Updates: The 2001 model year saw refinements over previous iterations, focusing on reliability and user comfort. Production Production Period: The YFM350 Wolverine was produced for several years, with the 2001 model being a part of its established production run. 🏆 Awards...