🏷️ Basic Information Identification Make: Yamaha Model: YFM Wolverine 350 Year: 2002 Codes Engine Code Prefix: 3HN Chassis Code: YFM350X 👋 Introduction Market Position Target Audience: Do-it-yourself (DIY) owners and experienced mechanics. Competitive Analysis Value Proposition: Provides in-depth, manufacturer-specific repair information, crucial for maintaining and repairing the Yamaha YFM Wolverine 350. Key Features Manual Advantage: Comprehensive coverage, detailed step-by-step instructions, extensive use of visual aids, specific to the 2002 model year. 📋 Manual Details Coverage Areas Systems Covered: General Information, Specifications, Periodic Checks and Adjustments, Engine, Carburetion, Drivetrain, Chassis, Electrical System, Troubleshooting Page Count Estimated Page Count: 300+ Manual Type Manual Type: Service Repair Manual Language Language: English Format File Format: PDF Compatibility Operating Systems: Windows and Mac Requirements Required Software: Adobe PDF Reader Printability Printable: Yes 📖 Manual Coverage Systems Covered Engine Systems: Engine disassembly and reassembly, cylinder head, cylinder, piston, crankshaft, camshaft, valve train, lubrication system, cooling system (air-cooled), oil pump, oil filter. Fuel System: Carburetor disassembly, cleaning, adjustment, and synchronization; fuel tank, fuel lines, fuel filter. Drivetrain Systems: Transmission removal and installation, gear inspection, clutch operation, final drive, drive shafts, differentials (if applicable), chain maintenance. Chassis Systems: Frame inspection and repair, suspension (front and rear), steering system, wheel bearings, swingarm, brakes (front and rear), wheels and tires. Electrical Systems: Ignition system, charging system (stator, regulator/rectifier), starter motor, battery, lighting, wiring diagrams, troubleshooting electrical faults. Procedures Included Maintenance Procedures: Routine maintenance, oil changes, filter replacements, spark plug checks, chain adjustments, brake adjustments, valve clearance checks. Repair Procedures: Engine rebuilds, carburetor overhauls, transmission repairs, suspension component replacement, brake system servicing, electrical component troubleshooting and replacement. Troubleshooting Guides: Step-by-step diagnostic procedures for common issues, symptom-based troubleshooting, electrical diagnostic charts. Technical Depth Depth Of Coverage: Comprehensive, from basic maintenance to complete engine and transmission overhauls. Features step-by-step instructions based on complete disassembly of the machine. Visual Aids: Hundreds of photos and illustrations to guide service and repair procedures. 📊 Manual Specifications File Format PDF Quality: High-resolution, non-scanned digital format. Print Quality Print Readability: Designed for clear printing with legible text and images. Binding Type Binding: Digital Download (PDF) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, Air-cooled Displacement: 348cc Bore X Stroke: 83.0 mm x 64.5 mm Compression Ratio: 8.8:1 Performance Horsepower: Approximately 18-20 HP (estimated, actual may vary) Torque: Not specified, but characterized by strong low-end torque. Fuel System Carburetor Model: Teikei Y28P Fuel Type: Unleaded gasoline Ignition System Ignition Type: TCI (Transistor Controlled Ignition) Lubrication System Oil Type: Yamalube 4 (or equivalent SAE 10W-30 API SG) Oil Capacity With Filter: 2.10 L (2.22 US qt, 1.85 Imp qt) 🔧 Transmission Standard Transmission Type: 5-speed constant mesh with automatic clutch and reverse Optional Optional Transmission: N/A Features Clutch Type: Automatic centrifugal clutch Final Drive: O-ring sealed chain, 520 Fluid Specifications Transmission Oil Type: Yamalube 4 (or equivalent SAE 80 API GL-4) Transmission Oil Capacity: 0.60 L (0.63 US qt, 0.53 Imp qt) 📐 Dimensions Exterior Length: 1971 mm (77.6 in) Width: 1110 mm (43.7 in) Height: 1115 mm (43.9 in) Wheelbase: 1280 mm (50.4 in) Weights Dry Weight: 230 kg (507 lbs) Fuel Tank Capacity: 11.0 L (2.9 US gal, 2.4 Imp gal) Oil Capacity: 2.1 L (2.22 US qt) with filter change 🛡️ Safety Features Ratings Safety Ratings: N/A (ATV not subject to NHTSA/Euro NCAP ratings) Active Features Braking System: Front: Dual hydraulic disc; Rear: Single hydraulic disc Passive Features Lighting: Dual 30W headlights, 5W taillight/stoplight 💡 Technology Features Infotainment Infotainment Features: N/A (Basic ATV design, no integrated infotainment system) Driver Assistance Assistance Features: N/A (No electronic driver assistance systems like ABS or traction control) Connectivity Connectivity Features: N/A (No onboard computer or connectivity) 🔧 Maintenance Service Intervals Engine Oil Change: Every 1,000 km (600 miles) or 6 months. Spark Plug Check: Every 1,000 km (600 miles) or 6 months. Air Filter Cleaning: Every 1,000 km (600 miles) or 6 months; replace as needed. Valve Clearance Check: Every 2,000 km (1,200 miles) or 12 months. Drive Chain Lubrication Adjustment: Every 500 km (300 miles) or monthly. Fluid Specifications Engine Oil Spec: Yamalube 4 (or equivalent SAE 10W-30 API SG) Transmission Oil Spec: Yamalube 4 (or equivalent SAE 80 API GL-4) Brake Fluid Spec: DOT 3 or DOT 4 Known Issues Common Wear Items: Brake pads, brake lines, wheel bearings, drive chain and sprockets, carburetor jets, swingarm bushings. Engine Performance Issues: Carburetor clogging due to fuel quality, potential for valve seat wear over high mileage. Electrical Issues: Wiring harness wear, stator failure, regulator/rectifier failure over time. Diagnostic Tools Required Tools Mention: The manual details specific tools and torque specifications required for various procedures. 📚 Vehicle History Brand Heritage Yamaha Atv History: Yamaha has a long-standing reputation for building reliable and capable ATVs, with the Wolverine line being a significant contributor to its off-road...