Basic Information Identification Make: Yamaha Model: BRUIN 350 4WD / HUNTER / GRIZZLY 350 4WD / HUNTER Year: 2010 Product Type: Service Repair Maintenance Overhaul Manual Format: PDF Download Introduction Market Position Target Audience: Yamaha ATV owners, independent repair shops, and DIY enthusiasts seeking professional-level repair and maintenance guidance. Competitive Analysis Value Proposition: Offers the same detailed information as dealership manuals, providing a cost-effective alternative for high-quality service and repair. Key Features Organizational Structure: Sequential, step-by-step format for procedures, enhanced by pre-disassembly exploded diagrams. Reliability: Guaranteed to be the best manual available, providing comprehensive and accurate information for all repair operations. Manual Details Coverage Areas Vehicle Variants Covered: 2010 Yamaha BRUIN 350 4WD, 2010 Yamaha BRUIN 350 4WD HUNTER, 2010 Yamaha GRIZZLY 350 4WD, 2010 Yamaha GRIZZLY 350 4WD HUNTER Primary Focus: Service, Repair, Maintenance, Overhaul Page Count Estimated Page Count: Likely 500+ pages (typical for comprehensive ATV service manuals) Manual Type Type: Official Factory Service Manual (implying dealer-level information) Language Language: English Format Digital Quality: High-quality digital creation (computer-generated, not scanned), allowing zoom without blur Manual Coverage Systems Covered Engine System: Complete engine disassembly, assembly, inspection, and repair, including tuning and troubleshooting. Fuel System: Carburetor service, fuel pump, fuel tank, fuel lines, fuel filter replacement and inspection. Drivetrain System: Front and rear differential service, driveshafts, CV joints, gearboxes, and 4WD engagement systems. Transmission System: Automatic transmission (likely Ultramatic) service, including belt replacement, clutch inspection, and adjustment. Suspension System: Front and rear suspension components, shock absorbers, springs, control arms, bushings, and steering knuckles. Braking System: Front and rear brake systems, including caliper service, pad replacement, rotor inspection, brake fluid flush, and bleeding procedures. Electrical System: Wiring diagrams, starter motor, alternator/stator, battery, ignition system, lighting, switches, and electronic control units (if applicable). Cooling System: Radiator, cooling fan, thermostat, water pump, hoses, and coolant replacement. Exhaust System: Muffler, exhaust pipes, and heat shields inspection and replacement. Chassis And Frame: Frame inspection, welds, and component mounting points. Bodywork And Plastics: Body panel removal, installation, and repair procedures. Steering System: Handlebars, steering column, tie rods, and wheel alignment. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication points, tire pressure checks, valve clearance adjustments. Disassembly And Assembly: Step-by-step instructions for all major component overhauls, with exploded diagrams. Troubleshooting: Diagnostic procedures for common and uncommon issues, symptom analysis, and fault finding guides. Rebuilds: Complete engine rebuild, transmission overhaul, and differential rebuild procedures. Inspection And Testing: Detailed checks for wear and tear, performance testing, and diagnostic tests for various systems. Technical Depth Depth: Comprehensive, covering all aspects from basic maintenance to complete engine and transmission rebuilds, suitable for professional mechanics and experienced DIY users. Manual Specifications File Format File Type: PDF Print Quality Image Clarity: High resolution, allowing for clear viewing of diagrams and text without pixelation or blurring. Text Searchability: Likely searchable text due to computer-generated nature, enabling quick information retrieval. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Engine Specifications Primary Engine Engine Type: Single-cylinder, 4-stroke, SOHC, liquid-cooled (likely a variant of the WR250R engine architecture adapted for ATV use) Displacement: Approximately 348cc (confirmed for the 350cc class engines of this era) Bore X Stroke: Specifics would be detailed in the manual, typically around 83mm x 64.5mm for this displacement. Compression Ratio: Likely around 9.2:1 to 9.5:1. Performance Horsepower: Estimated 20-24 HP (typical for this engine class in utility ATVs) Torque: Estimated 20-23 lb-ft (typical for this engine class in utility ATVs) Fuel System Carburetor Type: Mikuni BSR33 (common for this displacement and application) Fuel Type: Unleaded gasoline, minimum 87 octane Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) Lubrication System Oil Type: Yamalube 4 (or equivalent SAE 10W-30 or 20W-40 API SG or higher) 4-stroke motorcycle/ATV oil. Oil Capacity: Approximately 1.5-1.7 liters (with oil filter change). Transmission Standard Transmission Type: Automatic (Yamaha Ultramatic Transmission - CVT) Drive Type: Shaft Drive Features Gear Reduction: Includes high and low range gearing for versatility. Engine Braking: Ultramatic system provides excellent engine braking. Fluid Type Transmission Fluid: Yamaha's recommended CVT fluid or equivalent. Dimensions Exterior Overall Length: Approximately 76 inches (1930 mm) Overall Width: Approximately 42.1 inches (1070 mm) Overall Height: Approximately 44.1 inches (1120 mm) Weights Dry Weight: Approximately 549 lbs (249 kg) Ground Clearance: Approximately 7.1 inches (180 mm) Towing Capacity: Typically rated at 1500 lbs (680 kg) for this class. Rack Capacity Front: Approximately 99 lbs (45 kg) Rack Capacity Rear: Approximately 187 lbs (85 kg) Wheels And Tires Front Tire Size: AT25x8-12 Rear Tire Size: AT25x10-12 Wheel Bolt Pattern: Likely 4x110mm Safety Features Ratings Atv Safety Standards: Designed to meet ANSI standards for recreational off-highway vehicles. Active Features Braking System Features: Sealed hydraulic disc brakes front and rear for reliable stopping power. Passive Features Chassis Design: Sturdy frame construction and ergonomic seating position. Lighting: Dual 30W Krypton headlights...