The Yamaha Wolverine 350 4x2, produced between 2006 and 2009, is a capable recreational All-Terrain Vehicle designed for off-road enthusiasts and utility users. It is recognized for its reliable air-cooled, 4-stroke, 348cc SOHC engine, robust 4x2 platform, balanced handling, and durable build quality. This model offers a dependable and functional experience for a variety of terrains, making it a solid choice for those seeking adventure and utility in their ATV. This comprehensive Service Manual and Owner's Maintenance Manual set provides in-depth guidance for maintaining and repairing the Yamaha Wolverine 350 4x2. It covers essential areas including detailed engine service, fuel system maintenance, transmission and drivetrain care, suspension and steering adjustments, braking system procedures, and electrical system diagnostics. The manual includes step-by-step repair instructions, routine maintenance schedules, troubleshooting guides, and technical specifications, empowering both owners and technicians to ensure the vehicle remains in optimal operating condition. 🏷️ Basic Information Identification Make: Yamaha Model: Wolverine 350 Model Variant: 4x2 Model Year: 2006-2009 Codes Vin Prefix: JY 👋 Introduction Market Position Vehicle Segment: Recreational ATV (All-Terrain Vehicle) Target Audience: Off-road enthusiasts, utility users, recreational riders. Competitive Analysis Key Competitors: Honda FourTrax 350, Suzuki King Quad 300/345, Kawasaki Bayou 300. Key Features Vehicle Usp: Reliable air-cooled engine, capable 4x2 platform for a variety of terrains, balanced handling, robust build quality. Manual Value Proposition: Provides comprehensive and authoritative information for maintaining and repairing the Yamaha Wolverine 350 4x2, empowering owners and technicians with the knowledge to keep the ATV in optimal condition. 📋 Manual Details Coverage Areas Manual Type: Service Manual and Owner's Maintenance Manual Set Language: English Format: PDF Download Page Count Estimated Page Count: Refer to individual manual specifications within the set. Typical for this era and model would be 300-500 pages for the service manual and 50-100 for the owner's manual. 📖 Manual Coverage Systems Covered Engine Service: Complete engine overhaul, including disassembly, inspection, cleaning, reassembly, valve adjustment, piston and cylinder service, crankshaft and connecting rod checks. Fuel System: Carburetor servicing, fuel pump operation, fuel line routing, fuel filter replacement, fuel tank maintenance. Transmission And Drivetrain: Clutch operation (automatic centrifugal), gearbox inspection and repair, drive shaft maintenance, final drive servicing. Suspension And Steering: Front and rear suspension component inspection, replacement, and adjustment; steering system service and alignment. Braking System: Hydraulic brake system servicing, caliper and master cylinder maintenance, brake pad and shoe replacement, bleeding procedures. Electrical System: Ignition system diagnostics, charging system (stator, regulator/rectifier), starting system (starter motor, solenoid), lighting, instrumentation, wiring diagrams. Cooling System: Radiator, fan, thermostat, coolant type and capacity, flush and refill procedures. Exhaust System: Muffler and pipe inspection, gasket replacement. Body And Frame: Body panel removal and installation, frame inspection, seat and handlebar servicing. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment, lubrication points, spark plug replacement, air filter cleaning/replacement. Troubleshooting Guides: Systematic diagnostic procedures for common problems and symptoms. Repair Procedures: Step-by-step instructions for component removal, repair, and reinstallation. Assembly Disassembly: Detailed sequences for breaking down and rebuilding major vehicle components. Torque Specifications: Precise torque values for critical fasteners. Special Tool Requirements: Identification of specialized tools needed for specific procedures. Technical Depth Depth Of Coverage: Comprehensive (from basic owner maintenance to complete engine and transmission rebuilds). Diagnostic Capability: Advanced diagnostic trees and troubleshooting flowcharts for electrical and mechanical issues. Performance Tuning: While not primarily a tuning guide, it provides specifications for stock performance parameters and potential adjustments. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Searchability: Typically searchable text within the PDF for quick information retrieval. Print Quality Print Quality Recommendation: High-resolution, suitable for printing specific sections or the entire manual. Binding Type Binding Type: N/A (Digital Download - PDF) Paper Type Paper Type: N/A (Digital Download - PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 4-stroke, SOHC Engine Displacement: 348cc Bore X Stroke: 83 mm x 64.5 mm Compression Ratio: 9.2:1 Valve Configuration: SOHC (Single Overhead Camshaft), 2 valves Ignition System: CDI (Capacitor Discharge Ignition) Performance Horsepower: Approximately 20-23 HP (figures vary slightly by exact model year and tuning). Torque: Approximately 20-22 lb-ft (figures vary slightly by exact model year and tuning). Fuel System Fuel Delivery: Mikuni BSR33 carburetor Fuel Type: Unleaded gasoline, 87 octane (minimum) Fuel Tank Capacity: 3.3 US gallons (12.5 Liters) 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) with Ultramatic® system Gear Selection: Forward (Hi/Lo), Neutral, Reverse Features Drive System: Shaft drive Transmission Fluid Type: Yamalube 4 (or equivalent API SG, SAE 10W-30) 4-stroke motorcycle oil. 📐 Dimensions Exterior Overall Length: Approx. 76.4 inches (1940 mm) Overall Width: Approx. 42.1 inches (1070 mm) Overall Height: Approx. 43.3 inches (1100 mm) Wheelbase: Approx. 49.2 inches (1250 mm) Ground Clearance: Approx. 6.3 inches (160 mm) Weights Dry Weight: Approx. 509 lbs (231 kg) Curb Weight: Approx. 520 lbs (236 kg) Max Load Capacity: Refer to...