Category:
Utility All-Terrain Vehicle (ATV)
Competitors:
Honda FourTrax 300/450, Kawasaki Prairie 400, Suzuki QuadRunner 500
Features:
Robust 4WD system, powerful 600cc engine, comfortable suspension for its era, reliable utility platform.
Powertrain:
Engine, Transmission, Drivetrain (4WD system, differential)
Chassis:
Suspension (front and rear), Steering, Brakes (front and rear), Wheels and Tires
Electrical:
Ignition system, Lighting, Charging system, Starting system, Wiring diagrams, Instruments and controls
Body And Frame:
Frame, Body panels, Plastics, Seat, Handlebars, Rack systems
Fuel And Exhaust:
Fuel tank, Carburetor, Fuel lines, Exhaust system
Maintenance:
Scheduled maintenance, Lubrication, Inspections, Adjustments
Diagnostics:
Troubleshooting guides, Symptom-based diagnostics, Component testing
Repair:
Component disassembly, Reassembly, Repair procedures, Specifications for torque, clearances, and tolerances
Overhaul:
Engine overhaul, Transmission overhaul, Differential overhaul
Depth:
Comprehensive factory-level detail, suitable for professional technicians and advanced DIY users.
Type:
4-stroke, SOHC, air-cooled
Bore X Stroke:
95.0 mm x 80.5 mm
Horsepower:
Approx. 30-35 HP (Estimate based on similar models of the era)
Torque:
Not officially specified in easy-to-find figures, but substantial low-end grunt.
Fuel Type:
Unleaded gasoline
Fuel Capacity:
3.7 US gal (14 L)
Oil Capacity:
1.9 US qt (1.8 L) (with filter change)
Oil Type:
Yamalube 4 (or equivalent API SG, SAE 20W-40)
Type:
Automatic (Yamaha Constant Transmission - Y.C.T. with Ultramatic clutch)
Gears:
High, Low, Neutral, Reverse
Drive System:
Shaft drive, On-demand 4WD with differential lock
Final Drive:
Sealed chain
Rollover Resistance:
N/A (ATVs are not rated for rollover resistance in the same way as cars)
Braking System:
Hydraulic disc brakes, front and rear
Parking Brake:
Mechanical drum brake
Lighting:
Dual 30W headlights, 5W taillight/brake light
Operator Controls:
Handlebar steering, thumb throttle, left-hand brake lever, right-hand brake lever
Infotainment System:
None (basic instrumentation)
Assistance Features:
None
Connectivity Options:
None
Dashboard Features:
Speedometer, Odometer, Tripmeter, Neutral indicator, Reverse indicator, 4WD indicator, Oil level warning light.
Oil Change:
Every 1,000 km (600 miles) or 6 months, whichever comes first.
Air Filter:
Clean every 1,000 km (600 miles), replace as needed.
Spark Plug:
Inspect every 3,000 km (1,800 miles), replace as needed. (CR9E or equivalent)
Valve Clearance:
Check/adjust every 6,000 km (3,600 miles) or 1 year.
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid
Gear Oil Transmission:
Yamalube Gear Oil (or equivalent SAE 80 hypoid gear oil)
Gear Oil Final Drive:
Yamalube Gear Oil (or equivalent SAE 80 hypoid gear oil)
Common Wear Items:
Carburetor adjustments/cleaning, U-joint wear (in drivetrain), rear differential bearing wear, starter motor reliability.
Overheating:
While air-cooled, ensure proper airflow through cooling fins to prevent potential overheating in extreme conditions.
Carburetor Performance:
Can be sensitive to altitude and fuel quality; requires periodic cleaning and adjustment.
Heritage:
Yamaha has a long history of producing reliable and performance-oriented powersports vehicles, including ATVs with the 'Grizzly' nameplate.
Predecessor:
Yamaha YFM350 Warrior, YFM400 Kodiak
Successor:
Yamaha YFM660 Grizzly (introduced in 2002)
Production Years For Model:
1998-2001
Manufacturing Location:
Likely Japan or USA (typical Yamaha production facilities)