🏷️ Basic Information Identification Make: Yamaha Model: Bruin 350 Model Variant: 4x2 Year Range: 2004, 2005, 2006 Codes Engine Code: GPR700F/252 (Likely variation, actual manual will specify) Chassis Code: YFM350ER 👋 Introduction Market Position Segment: Entry-level to mid-range utility ATV, popular for trail riding, light farm work, and recreational use. Competitive Analysis Competitors: Honda Rancher, Kawasaki Prairie 300/360, Suzuki Vinson 500 (though often priced below the Vinson), Polaris Trail Boss. Key Features Features: Reliable air-cooled engine, comfortable riding position, selectable 2WD/4WD (though this specific manual is for 4x2), independent front suspension, shaft drive. Value Proposition Value: Offers a robust and relatively simple platform for riders seeking dependable performance without the complexity or cost of more advanced models. The 4x2 configuration is ideal for drier terrain and less demanding applications. 📋 Manual Details Coverage Areas Manual Type: Service Manual & Owner's/Maintenance Manual Set Language: English Format: Downloadable PDF Page Count Estimated Page Count: Comprehensive (Specific count not provided, typical for full workshop manuals is 300+ pages) 📖 Manual Coverage Systems Covered Engine Mechanical: Full disassembly, inspection, assembly, valve adjustment, timing, piston, cylinder, crankshaft, lubrication system. Engine Fuel System: Carburetor specifications, cleaning, adjustment, fuel pump, fuel lines. Engine Electrical: Ignition system, CDI unit, spark plug specifications, starting system, charging system (stator, regulator/rectifier), lighting system. Transmission: Automatic transmission (Ultramatic), clutch operation, gear shifting mechanism, lubrication. Drivetrain: Front and rear driveshafts, differentials (if applicable to 4x2), U-joints, wheel hubs. Chassis And Suspension: Frame inspection, front and rear suspension components (shocks, A-arms, bushings), steering system, wheel alignment. Brakes: Hydraulic brake system, front and rear brake calipers, master cylinders, brake fluid specifications, bleeding procedures, pad replacement. Electrical System: Wiring diagrams, battery maintenance, fuse locations, switches, relays, lighting, instrument cluster. Bodywork And Trim: Body panel removal and installation, seat, fenders, handlebars, rack components. Procedures Included Routine Maintenance: Oil changes, filter replacements, air filter cleaning/replacement, spark plug checks, lubrication points, valve clearance checks. Troubleshooting: Diagnostic charts for common problems (e.g., starting issues, engine performance, braking problems), fault finding. Repair And Overhaul: Detailed step-by-step instructions for component disassembly, repair, and reassembly, including engine rebuild and transmission service. Adjustments: Carburetor adjustment, throttle cable adjustment, brake lever free play, idle speed settings. Wiring Diagrams: Comprehensive electrical schematics for all systems, aiding in diagnosis and repair of electrical faults. Technical Depth Depth: Comprehensive Workshop Manual - Covers all aspects from basic owner maintenance to complete engine and transmission overhauls, including detailed diagnostics and specifications. 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable PDF for efficient information retrieval. Print Quality Quality: High-resolution scans of original factory documentation, ensuring clarity of text and diagrams. Binding Type Binding: N/A (Digital Download - PDF format) Paper Type Paper: N/A (Digital Download - PDF format) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 4-stroke, SOHC, 2-valve Displacement: 348cc Bore X Stroke: 83 mm x 64.5 mm Compression Ratio: 8.8:1 Performance Horsepower Estimate: Approximately 20-22 HP (Actual figures may vary) Torque Estimate: Approximately 20-22 lb-ft (Actual figures may vary) Fuel System Carburetor: Mikuni BSR33 (or similar) Fuel Type: Unleaded gasoline (87 octane or higher) Ignition Ignition System: CDI (Capacitor Discharge Ignition) Lubrication Oil Type: Yamalube 4 (or equivalent SAE 10W-40 API SG or higher) Starting Starter System: Electric Start 🔧 Transmission Standard Transmission Type: Yamaha Ultramatic Automatic Transmission (CVT) Optional Optional Transmissions: N/A (Only Ultramatic offered) Features Drive System: Shaft Drive (Rear Wheel Drive for 4x2 model) Gear Selection: Forward (Hi/Lo), Neutral, Reverse Fluid Specifications Transmission Fluid Type: Yamaha Ultramatic Transmission Fluid (YUTLF) or equivalent ATF (Automatic Transmission Fluid) as specified in the manual. 📐 Dimensions Exterior Length: Approx. 76.4 inches (1940 mm) Width: Approx. 43.3 inches (1100 mm) Height: Approx. 45.5 inches (1155 mm) Wheelbase: Approx. 49.2 inches (1250 mm) Weights Dry Weight: Approx. 516 lbs (234 kg) Fuel Capacity: Approx. 3.2 gal (12 L) Dimensions Ground Clearance: Approx. 10.1 inches (257 mm) 🛡️ Safety Features Ratings Safety Standards: Adheres to industry standards for ATV safety. Always operate responsibly and wear appropriate safety gear. Active Features Braking System: Hydraulic disc brakes (front and rear). Passive Features Lighting: Dual 30W Krypton headlights, 8W taillight/stoplight. Ergonomics: Designed for rider comfort and control, with padded seat and intuitive controls. 💡 Technology Features Infotainment Infotainment System: N/A (Basic utility ATV, no complex infotainment system). Driver Assistance Driver Assistance Features: N/A (Basic utility ATV, no electronic driver aids). Connectivity Connectivity Features: N/A Lighting Technology Headlight Type: Krypton (Halogen equivalent) bulbs. 🔧 Maintenance Service Intervals Oil Change Interval: Every 1,000 km (600 miles) or 6 months (refer to manual for exact owner's schedule). Air Filter Maintenance: Clean every 500 km (300 miles) or more frequently in dusty conditions; replace as needed. Spark Plug Replacement: Check at 1,000 km (600 miles), replace as needed (NGK CR7E or equivalent specified). Valve Adjustment Interval: Check at 1,000 km (600 miles) and adjust if necessary....