🏷️ Basic Information Identification Make: Yamaha Model: Bruin 350 / 400 Product Type: Service Repair Manual Generation Applicable Years: 2004, 2005, 2006 Codes Engine Code Prefix: Typically starts with '3GD' for 350, '5UY' or similar for 400, but specific codes vary by region and sub-model. Refer to chassis plate. 👋 Introduction Market Position Vehicle Class: Mid-size All-Terrain Vehicle (ATV) Competitive Analysis Key Competitors: Honda FourTrax/Rancher, Suzuki King Quad, Polaris Sportsman, Kawasaki Prairie/Brute Force. Key Features Manual Selling Points: Instant download, step-by-step diagrams, comprehensive coverage, model-specific accuracy, PC/MAC compatible, secure payment options. Value Proposition Target Audience: ATV owners, DIY mechanics, service shops seeking detailed repair information. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive workshop repair, maintenance, and troubleshooting for Yamaha Bruin 350 and 400 models. Page Count Estimated Page Count: Estimated 300-600 pages (typical for comprehensive service manuals of this era, exact count not provided but coverage suggests this range). Manual Type Manual Type: Service Repair Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Engine Systems: Engine removal/installation, cylinder head/valve service, cylinder/piston overhaul, lubrication, fuel system diagnosis and repair, ignition system, electric starter. Drivetrain Systems: Clutch service, gearshift linkage adjustment, sub-transmission overhaul, main transmission service, crankshaft and primary shaft inspection. Chassis Suspension Brakes: Front wheel and suspension service, rear wheel and suspension service, hydraulic brake system repair and bleeding. Electrical Systems: Battery and charging system, ignition system, electric starter system, switches, electrical diagrams. Procedures Included Maintenance Procedures: Routine inspections, lubrication, fluid changes, filter replacements, adjustments. Repair Procedures: Engine rebuilding, transmission overhauls, suspension component replacement, brake system repairs, electrical component troubleshooting and replacement. Troubleshooting Guides: Detailed guides for diagnosing and resolving common and uncommon mechanical and electrical issues. Technical Depth Depth Of Coverage: Detailed step-by-step instructions, diagrams, specifications, and procedures for complete engine and component rebuilding, advanced diagnostics, and routine maintenance. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality Features: Printable pages, zoom in/out functionality for clarity. Binding Type Binding Type: N/A (Digital Download - No physical binding) Paper Type Paper Type: N/A (Digital Download - No physical paper) ⚙️ Engine Specifications Primary Engine 350 Engine Type 350: 4-stroke, SOHC, 2-valve, air-cooled Displacement 350: 348cc Bore X Stroke 350: 83.0 mm x 64.5 mm Compression Ratio 350: Approximately 9.2:1 (verify specific model) Primary Engine 400 Engine Type 400: 4-stroke, SOHC, 4-valve, liquid-cooled (typically) Displacement 400: Approximately 367cc (verify specific model, may have variations) Performance Horsepower Range: Estimated 20-25 HP (varies by specific model and tuning). Fuel System Fuel Delivery 350: Carburetor (e.g., Mikuni BSR33) Fuel Delivery 400: Carburetor or Fuel Injection (depending on specific 400 variant, e.g., 400FA might have FI) Oil Capacity Engine Oil Capacity: Approximately 1.8 - 2.0 Liters (including oil filter change). Exact specification will be in manual. 🔧 Transmission Standard Transmission Type: Automatic (Continuously Variable Transmission - CVT) Features: Shaft drive, selectable 2WD/4WD, high/low range forward gears, reverse. Fluid Type Cvt Fluid: Specific Yamaha CVT fluid or equivalent is critical. Manual will specify part number and type. Final Drive Fluid Final Drive Oil Type: Yamalube Hypoid Gear Oil GL-4 80W-90 or equivalent. Manual will specify. 📐 Dimensions Exterior Length Length: Approx. 76.8 inches (1950 mm) for 350. 400 may vary slightly. Exterior Width Width: Approx. 42.5 inches (1080 mm) for 350. 400 may vary slightly. Exterior Height Height: Approx. 45.3 inches (1150 mm) for 350. 400 may vary slightly. Wheelbase Wheelbase: Approx. 48.8 inches (1240 mm) for 350. 400 may vary slightly. Ground Clearance Ground Clearance: Approx. 7.1 inches (180 mm) or more. Manual will provide precise measurement. Weights Dry Weight: Approx. 538 lbs (244 kg) for 350. 400 may vary. Wet Weight: Approx. 573 lbs (260 kg) for 350. Manual will specify with fluids. Towing Capacity Towing Capacity: Typically rated at 990 lbs (450 kg) for models of this era. Manual will confirm. Cargo Capacity Rack Capacity Front: Approximately 88 lbs (40 kg) (verify specific model) Rack Capacity Rear: Approximately 176 lbs (80 kg) (verify specific model) 🛡️ Safety Features Ratings Atv Safety Standards: Manufactured to meet relevant ATV safety standards of the era. Manual may reference specific guidelines. Active Features Braking System: Hydraulic disc brakes front and rear. Drivetrain Selection: Selectable 2WD/4WD for enhanced traction. Passive Features Design Considerations: Low center of gravity, wide stance, ergonomic seating for stability and control. 💡 Technology Features Infotainment Instrument Cluster: Digital LCD display showing speedometer, odometer, trip meter, fuel gauge (if equipped), 2WD/4WD indicator, gear indicator, engine hour meter. Driver Assistance 4Wd System: Push-button or lever-actuated selectable 4WD with differential lock (depending on specific model). Connectivity Charging System: 12V DC system, stator-based charging, with DC outlet for accessories (often optional or integrated). 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 km or 100 hours of operation, or annually. Manual will specify exact interval. Air Filter Cleaning: Regular...