Market Segment:
Recreational ATV, mid-size utility/sport hybrid
Competitors:
Honda TRX300EX/FourTrax, Suzuki LT-F300 King Quad, Kawasaki Bayou 300
Key Selling Points:
Reliable air-cooled engine, capable suspension, robust chassis, known for ease of maintenance and durability in its class
Manual Benefit:
Empowers owners to perform maintenance and repairs, saving time and money, ensuring optimal performance and longevity of the ATV
Engine Systems:
Engine disassembly/assembly, tuning, lubrication, cooling system, fuel system (carburetor specifics), exhaust system
Transmission Drivetrain:
Clutch operation and adjustment, gearbox inspection and repair, drive shaft and differential maintenance
Chassis Suspension:
Front and rear suspension geometry, shock absorber service, steering system components and repair
Braking System:
Brake caliper overhaul, brake pad replacement, hydraulic system bleeding, brake drum service
Electrical System:
Ignition system diagnosis and repair, charging system (stator, rectifier/regulator), starter motor, lighting, wiring diagrams and troubleshooting
Bodywork Plastics:
Panel removal and installation, trim component service
Maintenance:
Routine inspections, oil changes, filter replacements, lubrication points, chain adjustment
Troubleshooting:
Diagnostic procedures for common malfunctions, symptom-based fault finding
Repair:
Component-level repair, rebuild procedures, replacement of worn parts
Diagnostics:
Step-by-step diagnostic charts, electrical system testing
Technical Depth:
Comprehensive, covering from basic adjustments to complete engine and transmission rebuilds
Searchability:
Likely searchable text (depending on scan quality)
Print Quality:
High-resolution, suitable for printing individual pages or the entire manual
Binding Type:
N/A (Digital Download - PDF)
Paper Type:
N/A (Digital Download - PDF)
Engine Type:
Four-stroke, SOHC, air-cooled
Bore X Stroke:
83.0 mm x 64.5 mm
Horsepower Estimated:
~20 hp @ 6000 rpm (estimated, varies by market/tuning)
Torque Estimated:
~26 Nm @ 4500 rpm (estimated)
Fuel Delivery:
Carburetor
Carburetor Model:
Mikuni VM34SS (typical)
Fuel Type:
Unleaded gasoline
Fuel Capacity:
11.0 L (2.9 gal) including reserve
Oil Type:
Yamalube 4T or SAE 10W-40 API SE or SF classifying oil
Oil Capacity With Filter Change:
1.90 L (2.0 qt)
Ignition System:
C.D.I. (Capacitor Discharge Ignition)
Cooling Method:
Air-cooled
Atv Safety Standards:
Designed to meet ANSI/SVIA 1-2001 standards
Braking System Type:
Hydraulic disc front, drum rear
Parking Brake:
Mechanical parking brake lever
Lighting:
Dual headlights, tail light/brake light
Safety Features:
Thumb throttle with safety limiter, handlebar guards, footwells
Engine Oil Change:
Every 1000 km or 6 months (whichever comes first)
Air Filter Cleaning:
Every 500 km or as needed in dusty conditions
Spark Plug Replacement:
Every 3000 km or 1 year
Valve Clearance Check:
Every 6000 km or 2 years
Engine Oil Grade:
SAE 10W-40 API SE or SF
Brake Fluid Type:
DOT 3 or DOT 4
Gear Oil Type:
Yamalube Gear Oil SAE 80 API GL-4 (or equivalent)
Common Wear Items:
Brake pads, wheel bearings, carburetor jets (clogging), drive chain and sprockets (if applicable, though this is shaft drive)
Potential Trouble Spots:
Carburetor jetting sensitivity to altitude and fuel quality, occasional electrical connector corrosion, starter clutch wear
Brand Focus:
Yamaha Motor Company is renowned for its motorcycles, marine products, and powersports vehicles, with a long history of innovation and performance.
Predecessor Models:
Yamaha YFM200 Moto-4, Yamaha YFM350ER Moto-4
Successor Models:
Yamaha YFM400 Kodiak, Yamaha YFZ450
Production Period:
1986-2005 (Wolverine 350 lineage, with variations)
Manufacturing Location:
Japan (typically Yamaha's primary manufacturing hubs)
