🏷️ 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 owner's manual for specific rider and cargo limits. 🛡️ Safety Features Ratings Atv Safety Standards: Designed to meet applicable industry safety standards for ATVs. Active Features Braking System Type: Front: Dual Hydraulic Disc; Rear: Dual Hydraulic Disc (some models may have drum rear). Parking Brake: Typically a mechanical parking brake integrated into the rear brake lever or a separate caliper. Passive Features Lighting: Dual 30W headlights, 8W/27W taillight/brake light. Handlebars And Controls: Ergonomically designed handlebars with thumb throttle and standard grip controls. Seat Design: Comfortable and secure seating position for the rider. 💡 Technology Features Infotainment Infotainment System: N/A (Utility ATV - focused on function, not entertainment). Driver Assistance Driver Assistance Features: N/A (Basic ATV controls). Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Engine Oil Change: Every 600 miles (1000 km) or 6 months, whichever comes first. Check manually for specific break-in period recommendations....