Positioning:
The 1998 Yamaha Grizzly 600 was a top-tier, high-performance utility ATV known for its robust V-twin engine and rugged capability.
Competitors:
Competed with models like the Honda FourTrax Foreman and Kawasaki Bayou 400.
Engine:
Powerful 595cc V-twin engine, a standout feature for its class at the time.
Drivetrain:
Shaft drive, often with selectable 4WD, providing excellent traction.
Suspension:
Independent front suspension and swingarm rear suspension for comfortable and capable off-road performance.
Value:
This manual is identical to the dealer's tool, offering professional-level guidance for all maintenance and repair needs, ensuring optimal performance and longevity of the ATV.
Engine:
Comprehensive coverage of the V-twin engine, including disassembly, assembly, timing, and component testing.
Fuel System:
Detailed instructions for carburetor service, fuel pump operation, fuel filter replacement, and fuel line routing.
Lubrication Cooling:
Information on oil pump, oil filter, oil cooler system, and coolant system maintenance and repair.
Transmission:
Coverage of the automatic transmission, including belt replacement, clutch inspection, and gearcase maintenance.
Steering Suspension:
Detailed procedures for steering linkage, tie rod ends, wheel bearings, and front suspension component service.
Brakes:
Instructions for brake pad replacement, brake caliper service, brake fluid flush, and brake line inspection.
Electrical:
Extensive coverage of the electrical system, including wiring diagrams, ignition system, lighting, battery, starter, and charging system troubleshooting.
Maintenance:
Scheduled maintenance tasks, fluid checks, lubrication points, and filter replacements.
Repair:
Step-by-step repair procedures for all major components and systems.
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common and uncommon issues.
Assembly Disassembly:
Detailed instructions for component removal, disassembly, inspection, repair, and reassembly.
Depth:
Comprehensive, covering from basic maintenance to in-depth engine and transmission overhauls.
Diagnostic Capabilities:
Advanced diagnostic flowcharts and specifications for component testing and performance analysis.
Engine Type:
Liquid-cooled, 4-stroke, SOHC, V-twin
Displacement:
595cc (36.3 cubic inches)
Bore X Stroke:
70.0 mm x 77.0 mm (approximate, verify in manual)
Compression Ratio:
8.7:1 (approximate, verify in manual)
Horsepower:
Estimated 37-40 HP (actual figures may vary and are often not officially published for ATVs)
Torque:
Estimated 35-40 lb-ft (actual figures may vary)
Carburetion:
Dual Mikuni BSR33 carburetors
Fuel Type:
Unleaded gasoline, 87 octane minimum
Cooling System:
Liquid-cooled with radiator and fan
Oil Capacity:
Approx. 2.3 Liters (2.4 US qt) with filter change. Refer to manual for exact capacity and type.
Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher. Check manual for precise specifications.
Type:
Automatic (CVT - Continuously Variable Transmission)
Drive Modes:
2WD/4WD (selectable), Shaft Drive
Gear Reduction:
High/Low range with Reverse
Clutch:
Automatic centrifugal clutch
Gear Oil Type:
Yamalube Gear Oil (or equivalent) SAE 80W API GL-4. Refer to manual for exact specifications and capacity.
Length:
Approx. 81.1 inches (2060 mm)
Width:
Approx. 42.5 inches (1080 mm)
Height:
Approx. 43.7 inches (1110 mm)
Dry Weight:
Approx. 562 lbs (255 kg)
Towing Capacity:
Approx. 1,000 lbs (450 kg)
Rack Capacity Front:
Approx. 88 lbs (40 kg)
Rack Capacity Rear:
Approx. 176 lbs (80 kg)
Atv Safety Standards:
Designed to meet ANSI standards for recreational ATVs.
Braking System:
Hydraulic disc brakes front and rear.
Lighting:
Dual 30W headlights, 30/30W taillight/brake light.
Chassis Construction:
Durable steel frame and bodywork designed for rugged terrain.
Display:
Basic digital instrument cluster with speedometer, odometer, trip meter, and indicator lights.
4Wd System:
Yamaha's proven On-Command 4WD system for selectable 2WD/4WD engagement.
Connectivity Features:
N/A (Not applicable to this model year ATV)
Initial Service:
Refer to manual for break-in service at approx. 100 miles or 1 month.
Oil Change Interval:
Every 100 hours or 6 months, whichever comes first. More frequent changes recommended for severe use.
Air Filter Maintenance:
Inspect every 20 hours, clean/replace as needed. More frequent cleaning in dusty conditions.
Spark Plug Replacement:
Replace every 2,400 miles or 12 months. Check gap and condition at each oil change.
Engine Oil Grade:
Yamalube 4 SAE 10W-40 API SG or higher (or equivalent).
Gear Oil Grade:
Yamalube Gear Oil SAE 80W API GL-4 (or equivalent).
Coolant Type:
Permanent type anti-freeze coolant mixture (50/50 ethylene glycol based). Refer to manual for Yamaha specific coolant.
Cv Belt Wear:
CVT belts can wear over time, especially with aggressive riding. Regular inspection and replacement are recommended.
Carburetor Tuning:
Carburetors may require periodic cleaning and adjustment due to fuel quality or wear.
Electrical Connector Corrosion:
Water and dirt ingress can lead to corrosion in electrical connectors, affecting lighting and ignition. Ensure proper sealing and cleaning.
Front Axle Wear:
In some heavy-duty applications, front axle U-joints or CV joints may experience accelerated wear. Periodic lubrication and inspection are key.
Heritage:
Yamaha has a long-standing reputation for producing high-quality, reliable, and performance-oriented powersports vehicles.
Predecessors:
The Grizzly 600 built upon Yamaha's experience with earlier 4x4 utility ATVs, introducing a more powerful V-twin engine.
Successors:
Evolved into the fuel-injected Grizzly 660 and subsequent larger-displacement models, solidifying the Grizzly line as a leader in the utility ATV segment.
Production Years:
1998-2001
