Segment:
High-performance utility ATV segment, positioned for serious off-road use and trail riding.
Competitors:
Competed against models like the Honda Foreman 450, Kawasaki Bayou 400, and Suzuki Vinson 500 in its class.
Engine Size:
Powerful 600cc engine for its era, offering strong torque for hauling and climbing.
Transmission:
Automatic transmission with a reliable Ultramatic CVT system providing smooth power delivery.
Drivetrain:
On-command 4WD system allowing for rider selection between 2WD and 4WD.
Suspension:
Independent front suspension and a swingarm rear suspension providing good ground clearance and ride comfort.
Engine:
Comprehensive diagnosis, repair, and overhaul of the 600cc engine, including cylinder head, piston, crankshaft, camshaft, valve timing, and seals.
Fuel System:
Carburetor tuning and rebuilding (Mikuni BS34), fuel pump, fuel filter, and fuel lines.
Lubrication Cooling:
Oil pump, oil filter, oil passages, cooling system (radiator, fan, coolant), and oil viscosity recommendations.
Combustion System:
Ignition system (CDI, spark plug specifications, timing), compression testing, and cylinder head gasket replacement.
Transmission:
Operation and service of the automatic transmission, including CVT belt inspection and replacement, centrifugal clutch, and drive/driven pulleys.
Drivetrain:
Front and rear differential service, driveshafts, CV joints, and wheel hub bearings.
Suspension:
Front and rear suspension systems, including shocks, springs, A-arms, bushings, and alignment procedures.
Steering:
Handlebar assembly, steering shaft, tie rods, ball joints, and steering stop adjustment.
Brakes:
Front and rear hydraulic brake systems, including master cylinders, calipers, brake pads, brake fluid specifications (DOT 3), and bleeding procedures.
Electrical:
Wiring diagrams, battery specifications, charging system (stator, rectifier/regulator), lighting, starter motor, and switches.
Bodywork Chassis:
Frame inspection, plastic body panel removal and installation, fenders, seat, and handlebars.
Maintenance:
Scheduled maintenance tasks, oil changes, filter replacements, spark plug checks, lubrication points, and general upkeep.
Diagnostics:
Systematic troubleshooting guides for common and uncommon issues, error code interpretation (if applicable), and symptom-based diagnostic trees.
Repair:
Step-by-step instructions for disassembly, repair, and reassembly of all major vehicle components and systems.
Rebuilds:
Detailed procedures for engine and transmission overhauls, including torque specifications and critical clearances.
Adjustments:
Carburetor synchronization, valve lash adjustment, brake adjustments, and steering alignment.
Wiring Diagrams:
Full electrical schematics for easy troubleshooting of electrical faults.
Special Tools:
Identification of required special tools and their usage.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds. Equivalent to dealer-level technical information.
Engine Type:
4-stroke, SOHC, air-cooled with fan-assisted oil cooling
Displacement:
595cc (approx.)
Bore X Stroke:
95.0 mm x 80.2 mm (approx.)
Compression Ratio:
9.1:1 (approx.)
Horsepower:
Estimated 35-40 HP (subject to specific tuning and measurement)
Torque:
Strong low-end and mid-range torque for utility tasks.
Carburetor:
Mikuni BS34, single
Fuel Type:
Unleaded gasoline (87 octane recommended)
Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SE, SF, or SG classification. (Check manual for precise recommendation)
Oil Capacity:
Approx. 2.2 L (2.3 US qt) with filter change. (Refer to manual for exact capacity)
Cooling System:
Fan-assisted oil cooling system
Engine Oil Change:
Every 1000 km or 6 months, whichever comes first (or every 20 hours of use).
Air Filter Cleaning:
Every 1000 km or 6 months (more frequently in dusty conditions).
Spark Plug Check:
Every 2000 km or 12 months.
Cv Belt Inspection:
Inspect every 2000 km or 12 months. Replace as needed based on wear.
Brake Fluid Flush:
Every 2 years or as needed.
Engine Oil Spec:
Yamalube 4 (or equivalent) SAE 10W-40 API SE, SF, or SG.
Brake Fluid Spec:
SAE J1703 or DOT 3
Coolant Type:
Ethylene glycol based antifreeze coolant (50% mixture with distilled water recommended).
Common Wear Items:
CVT belt wear, suspension bushings, brake pads, and wheel bearings are common wear items on higher-mileage units.
Carburetor Cleaning:
Carburetor can be prone to gumming up if fuel sits for extended periods; regular fuel stabilizer use is recommended.
Cooling System:
Fan operation and radiator integrity are crucial for preventing overheating.
Manufacturer:
Yamaha Motor Corporation, a long-standing and respected manufacturer of motorcycles, ATVs, and marine products known for innovation and reliability.
Predecessors:
Evolved from Yamaha's earlier utility ATV models, building on a foundation of proven designs.
Successors:
The Grizzly line continued to evolve, with the Grizzly 660 and later 700 models offering increased power and technology.
Production Years:
The Grizzly 600 was produced from approximately 1998 to 2001, with minor variations across model years.