Segment:
Entry-level to mid-range recreational ATV
Target Audience:
Recreational riders, utility users, DIY enthusiasts
Competitors 1997:
Honda FourTrax 300, Suzuki QuadRunner 300, Kawasaki Bayou 300
Reliability:
Known for its robust and reliable air-cooled engine and durable chassis.
Versatility:
Suitable for trail riding, light utility work, and recreational purposes.
Engine:
Top-end (cylinder, piston, valves), Bottom-end (crankshaft, connecting rod, bearings), Lubrication system, Cooling system (air-cooled), Fuel system (carburetor, fuel pump), Ignition system, Exhaust system
Transmission:
Clutch (automatic centrifugal), Gearbox (5-speed manual with reverse), Drive system (chain drive, differential)
Chassis:
Frame, Suspension (front and rear independent), Steering system, Wheels and Tires, Brakes (front disc, rear drum), Bodywork and Plastics
Electrical:
Ignition system, Lighting system, Starting system, Charging system (stator, regulator/rectifier), Battery, Wiring diagrams, Switches and controls
Maintenance:
Scheduled maintenance, Oil change, Filter replacement (air, oil), Spark plug replacement, Chain adjustment and lubrication, Brake inspection and adjustment, Valve clearance check and adjustment
Repair:
Engine disassembly and reassembly, Carburetor overhaul, Clutch service, Transmission repair, Suspension component replacement, Brake system overhaul, Electrical component testing and replacement
Troubleshooting:
Diagnostic charts, Symptom-based troubleshooting guides, Electrical system fault finding
Depth:
Comprehensive: Covers disassembly, inspection, repair, and reassembly of all major components. Includes detailed specifications, torque values, and special tool requirements.
Engine Type:
4-stroke, SOHC, Air-Cooled
Bore X Stroke:
82.0 mm x 66.2 mm
Horsepower:
Approximately 18-20 HP (estimated, not officially published by Yamaha for this model)
Torque:
Approximately 20-22 lb-ft (estimated)
Carburetor Model:
Mikuni VM32SS (single carburetor)
Fuel Type:
Unleaded gasoline, 87 octane (minimum)
Ignition System:
CDI (Capacitor Discharge Ignition)
Lubrication System:
Wet sump, forced lubrication
Cooling Method:
Forced air cooling
Safety Standards:
ATV safety is operator responsibility; designed to industry standards for its class.
Braking Performance:
Reliable hydraulic front disc and rear drum brakes for effective stopping power.
Ergonomics:
Designed for rider comfort and control during operation.
Lighting:
Headlights and taillight for visibility during operation in varying light conditions.
Engine Oil Change:
Every 100 hours or 6 months (whichever comes first)
Air Filter Cleaning:
Every 20 hours or as needed based on operating conditions
Spark Plug Replacement:
Every 100 hours or annually
Valve Clearance Check:
Every 100 hours or annually
Engine Oil Type:
Yamalube 4 (or equivalent 4-stroke motorcycle oil) SAE 10W-30 API SE or SG
Engine Oil Capacity:
1.90 US qt (1.8 L) (with oil filter replacement)
Gear Oil Type:
Yamalube Gear Oil or equivalent SAE 80 API GL-4
Gear Oil Capacity:
0.17 US qt (0.16 L)
Carburetor Performance:
Carburetors can become clogged with debris over time, leading to starting issues or rough running. Regular cleaning and proper fuel storage are recommended.
Drive Chain Wear:
The drive chain requires regular inspection, cleaning, lubrication, and adjustment to prevent premature wear and potential failure.
Rear Brake Adjustment:
The rear drum brake may require periodic adjustment to maintain optimal braking performance.
Yamaha Atv Legacy:
Yamaha has a long-standing reputation for producing durable and high-performance ATVs since the introduction of the Tri-Z and the ATV revolution.
Wolverine Lineage:
The Wolverine line evolved from Yamaha's earlier utility and sport ATVs, focusing on a blend of capability and comfort. The 350cc model was a popular choice in its class.
Production Period:
The Wolverine 350 was produced for several years, with the 1997 model being a significant iteration of its design.
