🏷️ Basic Information Identification Make: Yamaha Model: Bruin 350 4x4 Model Years Covered: 2004, 2005, 2006 Vehicle Type: All-Terrain Vehicle (ATV) Codes Engine Code Prefix: 3GD Chassis Code Prefix: 4X4 👋 Introduction Market Position Positioning: Essential resource for owners and technicians of the Yamaha Bruin 350 4x4. Competitive Analysis Value Proposition: Offers a comprehensive, accurate, and searchable digital resource superior to generic manuals or incomplete online guides. Key Features Key Selling Points: Combined Service and Owner's Manual set, detailed procedures with pictures, exploded diagrams, troubleshooting guide, 4WD system coverage, keyword searchable PDF. 📋 Manual Details Coverage Areas Primary Coverage: Complete service, repair, and maintenance for 2004-2006 Yamaha Bruin 350 4x4 ATVs. Included Manuals: Service Manual (Workshop Repair) and Owner's/Maintenance Manual. Page Count Estimated Service Manual Pages: 500+ Estimated Owner Manual Pages: 100+ Manual Type Primary Manual Type: Service Manual / Workshop Manual / Repair Manual Secondary Manual Type: Owner's Manual / Maintenance Manual Language Language: English Format Format: Downloadable PDF Searchability: Keyword searchable (Ctrl+F enabled) Printability: Printable 📖 Manual Coverage Systems Covered Engine: Complete overhaul, tuning, diagnostics, valve adjustments, top-end rebuilds. Transmission: Internal components, gear replacement, clutch operation, final drive service. Drivetrain: 4WD system engagement, driveshafts, differentials, CV joints. Suspension: Front and rear suspension systems, shock absorbers, A-arms, linkages, bushings. Brakes: Hydraulic system, caliper service, pad replacement, rotor inspection, bleeding procedures. Electrical: Wiring diagrams, lighting system, ignition system, charging system, starter, battery, ECU troubleshooting. Fuel System: Carburetor servicing and adjustment, fuel pump, fuel lines, fuel filter. Cooling System: Radiator, fan, coolant hoses, thermostat. Exhaust System: Muffler, pipe inspection and replacement. Frame And Body: Chassis inspection, body panel removal and installation. Wheels And Tires: Tire maintenance, wheel removal and installation, lug nut torque. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication points. Troubleshooting: Diagnostic flowcharts for common problems and system malfunctions. Repair: Step-by-step repair instructions for all major components and systems. Rebuilds: Comprehensive procedures for engine and transmission rebuilds. Adjustments: Carburetor adjustment, throttle cable adjustment, brake lever free play. Disassembly Reassembly: Detailed instructions for component removal and reinstallation. Torque Specifications: Precise torque values for all critical fasteners. Technical Depth Depth: Comprehensive, from basic owner maintenance to full engine/transmission rebuilds. Detail Level: Detailed procedures with accompanying pictures. Diagrams: Includes exploded parts diagrams for all major assemblies. 📊 Manual Specifications File Format Type: PDF Version: Optimized for digital use and printing Print Quality Image Clarity: High resolution images for clarity Binding Type Binding For Physical Copy: N/A (Digital PDF format) Paper Type Paper Type For Physical Copy: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, 2-valve, Air-cooled Displacement: 348 cc Bore X Stroke: 83.0 mm x 64.5 mm Compression Ratio: 9.2:1 Performance Horsepower Estimated: Approx. 21 hp @ 6,500 RPM Torque Estimated: Approx. 27.5 Nm @ 5,500 RPM Fuel System Carburetor: Teikei Y28P (or Mikuni VM28 equivalent) Fuel Type: Unleaded gasoline (minimum 87 octane) Fuel Tank Capacity: 13.0 L (3.4 US gal) 🔧 Transmission Standard Type: Automatic (Yamaha Constant Velocity Transmission - YCVT) Gear Selection: Forward (H, L), Neutral, Reverse Features Drive System: Selectable 4WD with automatic front differential lock. Final Drive: Shaft drive (front and rear) 📐 Dimensions Exterior Length: 1995 mm (78.5 in) Width: 1095 mm (43.1 in) Height: 1155 mm (45.5 in) Wheelbase: 1230 mm (48.4 in) Weights Dry Weight: 247 kg (545 lbs) Wet Weight: Approx. 263 kg (580 lbs) Ground Clearance: 250 mm (9.8 in) 🛡️ Safety Features Ratings Atv Safety Standards: Complies with applicable ANSI/SVIA standards. Active Features Braking System: Hydraulic disc brakes front and rear. Engine Braking: Utilizes CVT for engine braking on descents. Passive Features Lighting: Dual 30W headlights, 15W taillight/stoplight. Rollover Protection: N/A (Standard ATV design) 💡 Technology Features Infotainment Features: N/A (Utility ATV focused, no complex infotainment systems). Driver Assistance Features: Selectable 4WD system is the primary driver assistance feature. Connectivity Features: N/A. 🔧 Maintenance Service Intervals Initial Service: Check and adjust at 10 hours or 1 month. Engine Oil Change: Every 3,000 km (1,860 mi) or 6 months, whichever comes first (or more frequently under severe use). Air Filter Cleaning: Check and clean every 1,000 km (620 mi) or 3 months; replace as needed. Spark Plug Replacement: Every 6,000 km (3,720 mi) or 12 months. Fluid Specifications Engine Oil Type: Yamalube 4 (or equivalent API SG, SAE 10W-40) Engine Oil Capacity: 1.80 L (1.9 US qt) without filter change; 2.00 L (2.1 US qt) with filter change. Final Drive Oil Type: Yamalube Gear Oil (or equivalent SAE 80 API GL-4) Final Drive Oil Capacity: 150 ml (5.1 US fl oz) Coolant Type: Permanent type antifreeze (50% solution with distilled water) Known Issues Common Wear Items: CV joint boots, wheel bearings, brake pads, bushings. Carburetor Tuning: Can require occasional adjustments due to altitude or fuel variations. 📚 Vehicle History Brand Heritage Manufacturer: Yamaha Motor Corporation Legacy:...