🏷️ Basic Information Identification Make: Yamaha Model: YFM Wolverine 350 Year: 2004 Vehicle Type: ATV (All-Terrain Vehicle) Codes Chassis Code: Not explicitly provided, but typically follows a YAMAHA prefix followed by model designation and year. 👋 Introduction Market Position Positioning: The Yamaha Wolverine 350 was positioned as a capable and reliable utility ATV, appealing to recreational riders and light-duty work tasks. Competitive Analysis Competitors: Competed with models from Honda (e.g., TRX 350), Suzuki (e.g., QuadRunner 300/350), and Kawasaki (e.g., Bayou 300). Key Features Features: Known for its torquey 348cc air-cooled engine, comfortable seating, independent front suspension, and shaft drive. Offered a blend of performance and usability. Manual Value Value Proposition: This manual provides essential information for owners to perform routine maintenance, troubleshoot issues, and carry out repairs, saving significant costs associated with dealership service. 📋 Manual Details Coverage Areas Primary Coverage: Maintenance and Repair Procedures for Yamaha YFM Wolverine 350 2004 Target Audience: Do-it-yourselfers and experienced technicians Page Count Estimated Pages: Likely between 200-400 pages (typical for comprehensive service manuals of this era/type). Manual Type Type: Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: Detailed disassembly, assembly, inspection, diagnosis, and repair of the engine and its components. Fuel System: Carburetor tuning, cleaning, overhaul, fuel pump, fuel lines, and fuel tank maintenance. Transmission: Clutch operation, inspection, adjustment, and replacement; gearbox maintenance. Drive Train: Shaft drive system inspection, maintenance, and repair; differential. Brakes: Hydraulic system inspection, fluid replacement, pad/shoe replacement, caliper/master cylinder servicing. Suspension: Front and rear suspension inspection, component replacement (shocks, bushings), alignment checks. Steering: Steering system inspection, tie rod ends, steering linkage maintenance. Electrical System: Battery, charging system (stator, regulator/rectifier), ignition system (CDI, spark plug), lighting, and starter system. Cooling System: Air-cooled engine, detailing fin cleaning and heat dissipation. Frame And Bodywork: Chassis inspection, plastic component removal/installation, seat, fenders, and handlebars. Wheels And Tires: Tire pressure, inspection, and replacement; wheel bearing maintenance. Procedures Included Scheduled Maintenance: Oil changes, filter replacements, spark plug checks, air filter cleaning/replacement, valve adjustments, lubrication points. Troubleshooting: Diagnostic flowcharts, common problem identification, and step-by-step solutions for various issues. Disassembly And Assembly: Complete tear-down and reassembly instructions for major components. Rebuilds: Engine, carburetor, and brake system rebuild procedures. Adjustments: Carburetor idle and mixture, throttle cable, brake levers, and valve clearances. Testing And Calibration: Ignition timing checks, electrical component testing. Technical Depth Depth: Comprehensive, covering everything from basic fluid checks to complete engine rebuilds and electrical system diagnostics. Diagnostic Tools: May include basic electrical testing procedures requiring multimeter, but no specialized electronic diagnostic tools. 📊 Manual Specifications File Format Format: PDF (Portable Document Format) Searchability: Likely text-searchable if properly OCR'd. Print Quality Quality: Digital, print quality dependent on source scan and digital conversion. High resolution expected for clarity. Binding Type Type: N/A (Digital PDF) Paper Type Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, SOHC, air-cooled Displacement: 348 cc (21.2 cubic inches) Bore X Stroke: 80.0 mm x 69.6 mm (Approximate, based on similar Yamaha engines of the era) Compression Ratio: 9.2:1 (Typical for this engine configuration) Performance Horsepower: Approximately 20-25 HP (Estimated, actual figures can vary) Torque: Strong low-end torque, suitable for utility tasks. Fuel System Carburetor: Mikuni BS34 (Single Carburetor, likely with accelerator pump) Fuel Type: Unleaded gasoline Ignition Ignition System: CDI (Capacitor Discharge Ignition) Lubrication Oil Type: Yamalube 4 (or equivalent API SG, SAE 20W-40 or 10W-30 depending on temperature) Starter Starter System: Electric Starter 🔧 Transmission Standard Type: 5-speed constant mesh with automatic centrifugal clutch and reverse. Optional Options: N/A Features Clutch Type: Automatic centrifugal clutch Drive System: Shaft drive to rear wheels, likely also to front wheels in 4x4 models (Wolverine 350 often 2WD or switchable 4WD). Fluid Specifications Transmission Oil Type: Yamalube 4 (or equivalent SAE 80W hypoid gear oil for final drive) 📐 Dimensions Exterior Length: Approximately 73.0 inches (1855 mm) Width: Approximately 42.7 inches (1085 mm) Height: Approximately 43.5 inches (1105 mm) Weights Dry Weight: Approximately 465 lbs (211 kg) Fuel Capacity: Approximately 3.2 gallons (12 liters) Wheels Tires Front Tire Size: AT25x8-12 (Example, may vary by trim) Rear Tire Size: AT25x10-12 (Example, may vary by trim) Wheelbase: Approximately 49.0 inches (1245 mm) Dimensions Ground Clearance: Approximately 10.0 inches (254 mm) 🛡️ Safety Features Ratings Atv Safety: ATVs are inherently high-risk vehicles. Users must wear appropriate safety gear, including helmets, eye protection, gloves, and protective clothing. This manual covers mechanical safety but not operational safety protocols, which are typically in the owner's manual. Active Features Features: Front hydraulic disc brakes, rear sealed drum brake, engine braking via transmission. Passive Features Features: Durable chassis, comfortable seating position for stability. 💡 Technology Features Infotainment Features: Not applicable to this model. Focus is on utility and off-road performance. Driver Assistance Features: Not applicable. This era of ATV did not feature electronic...