Vehicle Segment:
Utility ATV (All-Terrain Vehicle)
Target Audience:
Recreational riders, utility users, farmers, hunters
Competitors:
Honda FourTrax, Kawasaki Bayou, Suzuki King Quad
Vehicle Usp:
Reliable 350cc engine, comfortable ride, capable 2WD platform for general use
Benefit To Owner:
Empowers owners to perform routine maintenance, diagnose issues, and undertake repairs, saving time and money compared to dealership service.
Content Advantage:
Provides factory-accurate procedures and specifications, ensuring repairs are performed to original manufacturer standards.
Engine:
Internal combustion engine, lubrication, cooling, fuel, exhaust
Transmission:
Automatic transmission, internal components, clutch system
Drivetrain:
Final drive, driveshafts, differentials
Chassis:
Frame, bodywork, seating, storage
Suspension:
Front and rear suspension components, shock absorbers, linkages
Steering:
Steering column, tie rods, steering mechanism
Brakes:
Brake system components, hydraulics, calipers, pads, rotors
Electrical:
Ignition system, starting system, charging system, lighting, instrumentation, battery
Wiring Diagrams:
Comprehensive electrical schematics for all systems
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication points
Troubleshooting:
System-specific diagnostic procedures, common fault identification
Disassembly Assembly:
Detailed step-by-step instructions for component removal and installation
Repair:
Component-level repair instructions, including internal engine and transmission work
Specifications:
Torque specifications, clearances, fluid capacities, electrical resistance values
Depth:
Comprehensive, from basic fluid checks to complete engine and transmission rebuilds
Engine Type:
4-stroke, SOHC, 2-valve, single-cylinder
Bore X Stroke:
83.0 mm x 64.5 mm
Cooling System:
Liquid-cooled
Horsepower Estimate:
Approximately 20-22 HP (at crankshaft, estimated)
Torque Estimate:
Approximately 20-22 lb-ft (at crankshaft, estimated)
Fuel Delivery:
Carburetor
Carburetor Model:
Mikuni BSR33/1
Fuel Type:
Unleaded gasoline
Ignition System:
Digital T.C.I. (Transistor Controlled Ignition)
Transmission Type:
Automatic (Yamaha Constant Velocity Transmission - Y.C.V.T.)
Gear Selection:
Forward (High/Low), Neutral, Reverse
Clutch Type:
Wet, centrifugal, automatic
Atv Safety Considerations:
Emphasis on safe riding practices, proper gear, and understanding vehicle limits. Not subject to automotive crash ratings.
Braking System:
Hydraulic disc brakes (front and rear)
Lighting:
Halogen headlights, taillight, brake light
Initial Service:
First service typically recommended at 100-200 miles or 1 month.
Engine Oil Change:
Every 100-200 hours or 6 months.
Air Filter Cleaning:
Inspect and clean every 20-40 hours, replace as needed.
Spark Plug Replacement:
Recommended every 100-200 hours or 1 year.
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SE, SF, SG, SH, SJ, SL)
Coolant Type:
Permanent type antifreeze, ethylene glycol based (50/50 mix with distilled water recommended)
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid
Final Drive Oil Type:
Yamalube Gear Oil (or equivalent SAE 80W-90 API GL-4)
Common Wear Items:
Brake pads, tires, drive belts (CVT), wheel bearings.
Potential Engine Issues:
Carburetor tuning sensitivity, occasional cooling system leaks if not maintained.
Yamaha Atv Legacy:
Yamaha has a long-standing reputation for building durable and reliable ATVs, dating back to the early days of the industry.
Bruin Positioning:
The Bruin 350 was introduced as a mid-range utility ATV, offering a balance of performance, comfort, and value for a variety of tasks.
Manufacturing Origin:
Primarily manufactured in Japan and/or USA by Yamaha Motor Corporation.