🏷️ Basic Information Identification Make: Yamaha Model: Bruin 350 2x4 Model Code: YFM350BAT Model Variant: 2WD Generation Production Years: 2004-2006 👋 Introduction Market Position Target Audience: Owners and technicians performing maintenance and repair on Yamaha Bruin 350 2x4 ATVs. Value Proposition: Provides complete information for basic to advanced service, combining owner and service manuals for a comprehensive set. Competitive Analysis Manual Completeness: Marketed as the ultimate set, leaving no stone unturned for servicing the specified models. Key Features Searchability: PDF format allows for quick searching of specific topics. Visual Aid: Extensive use of detailed pictures and diagrams enhances understanding. Accessibility: Digital format allows for easy access on various devices and printing. 📋 Manual Details Coverage Areas Covered Years: 2004, 2005, 2006 Specific Models Covered: YFM350BAT (Bruin 350 2x4) Page Count Service Manual Pages: 483 Owner Manual Pages: 173 Total Pages: 656 Manual Type Service Manual Type: Workshop Repair Manual Owner Manual Type: Owner's Manual Supplementary Manuals: 1 individual Service Supplement for all Bruin 350 2x4 years Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine System: Complete coverage including disassembly, inspection, assembly, troubleshooting, and diagnostics. Fuel System: Carburetor tuning and repair, fuel pump, fuel lines, fuel tank maintenance. Cooling System: Radiator, fan, thermostat, coolant flow, leak detection. Ignition System: Spark plugs, ignition coil, CDI unit, timing adjustments. Transmission System: Automatic transmission (Ultramatic), clutch operation, gear inspection, lubrication. Drivetrain: Shaft drive, universal joints, differentials, axle maintenance. Braking System: Hydraulic disc brakes (front and rear), brake caliper service, bleeding procedures, pad replacement. Suspension System: Front and rear suspension, shock absorbers, control arms, bushings, alignment. Steering System: Handlebar assembly, steering column, tie rods, troubleshooting steering play. Electrical System: Wiring diagrams, battery maintenance, starter system, lighting, charging system (stator, regulator/rectifier). Body And Frame: Frame inspection, plastic body panel removal and installation, seating. Wheels And Tires: Tire pressure specifications, wheel removal and installation, bearing maintenance. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, lubrication points, air filter cleaning. Troubleshooting: Step-by-step diagnostic procedures for common and complex issues. Repair Procedures: Detailed instructions for component disassembly, repair, and reassembly. Technical Specifications: Torque values, clearances, fluid capacities, electrical specifications. Technical Depth Depth: Comprehensive, bumper-to-bumper coverage suitable for basic to advanced service work. Illustrations: Detailed pictures and diagrams for visual guidance. Organization: Fully indexed and bookmarked for quick access to information. 📊 Manual Specifications File Format File Type: PDF Print Quality Quality: Perfect Quality Zoom Capability: Yes, zoom in on diagrams and pictures. Printable: Yes, printable in full or selected pages. Binding Type Binding: N/A (PDF Download) Paper Type Paper: N/A (PDF Download) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, 2-valve Displacement: 348cc Bore X Stroke: 83 mm x 64.5 mm Cooling System: Liquid-cooled Compression Ratio: 9.2:1 Performance Horsepower: Not explicitly stated in product info, but typically around 18-20 HP for this class. Torque: Not explicitly stated in product info, but typically around 20-22 lb-ft. Fuel System Carburetor: Mikuni BSR33/1 (single) Fuel Capacity: 3.2 gal (12 L) (approx.) Lubrication Oil Type: Yamalube 4 (or equivalent motorcycle 4-stroke engine oil) Oil Grade: SAE 10W-30 or 20W-40 (depending on ambient temperature) 🔧 Transmission Standard Type: Automatic (Yamaha Ultramatic® CVT) Drive System: Shaft Drive (2WD) Features Gear Selection: Forward, Neutral, Reverse 📐 Dimensions Exterior Length: 76.2 inches (1935 mm) (approx.) Width: 42.7 inches (1085 mm) (approx.) Height: 42.4 inches (1077 mm) (approx.) Weights Dry Weight: 557 lbs (253 kg) (approx.) Ground Clearance: 6.1 inches (155 mm) (approx.) 🛡️ Safety Features Active Features Braking System: Hydraulic disc brakes, front and rear. Lighting: Dual sealed beam headlights, taillight with brake light. 💡 Technology Features Infotainment Display: Basic LCD meter (speedometer, odometer, trip meter, clock, fuel gauge, 4WD indicator if applicable to the specific variant, though this is 2WD). Driver Assistance Assistance Features: N/A (ATVs of this era typically do not feature advanced electronic driver assistance systems). Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Engine Oil Change: Every 1000 km (600 miles) or 6 months, whichever comes first (refer to manual for exact schedule). Air Filter Cleaning: Every 1000 km (600 miles) or more frequently in dusty conditions. Spark Plug Check: Every 2000 km (1200 miles). Fluid Specifications Engine Oil Capacity: 1.70 L (1.8 US qt) without filter change; 1.80 L (1.9 US qt) with filter change. Coolant Type: Permanent antifreeze (ethylene glycol based), 50% mixture with distilled water. Brake Fluid: DOT 3 or DOT 4 hydraulic brake fluid. Known Issues Common Wear Items: Brake pads, tires, suspension bushings, and drive belt (CVT) are common wear items. Carburetor Performance: Carburetors may require periodic cleaning and adjustment due to fuel quality or operating conditions. Electrical Connections: Corrosion or looseness in electrical connectors can lead to intermittent issues, especially in wet environments. 📚 Vehicle History Brand Heritage Manufacturer: Yamaha Motor Corporation, known for reliable and performance-oriented powersports...