Vehicle Segment:
Full-size utility all-terrain vehicle (ATV)
Target Audience:
Recreational riders, farmers, hunters, trail enthusiasts requiring a robust and reliable machine
Key Competitors:
Honda Foreman, Kawasaki Prairie, Suzuki King Quad, Polaris Sportsman (of respective model years)
Engine Configuration:
Single-cylinder, 4-stroke, SOHC (Single Overhead Camshaft)
Drivetrain Type:
Shaft-driven, 2WD/4WD selectable (depending on specific YFM600 sub-model)
Transmission:
Automatic CVT with Hi/Lo range and Reverse
Suspension Type:
Independent front suspension, Swingarm rear suspension
Engine Mechanical:
Comprehensive (Disassembly, inspection, assembly, tuning)
Engine Fuel System:
Carburetor tuning, fuel pump, fuel lines
Engine Ignition System:
CDI, spark plug specifications, timing
Transmission Drivetrain:
CVT (Continuously Variable Transmission) operation, maintenance, belt inspection, clutch assembly
Chassis Suspension:
Front and rear suspension, shock absorbers, steering components
Brakes:
Hydraulic brake system, caliper service, pad replacement, fluid flush
Electrical System:
Wiring diagrams, battery, starter, lighting, charging system
Frame Bodywork:
Frame inspection, body panel removal and installation, seat
Cooling System:
Radiator, fan, coolant specifications (if applicable, YFM600 is air-cooled)
Exhaust System:
Muffler, header pipe, heat shields
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, air filter cleaning/replacement, chain lubrication/adjustment (if applicable)
Troubleshooting:
Diagnostic procedures for common issues, symptom-based troubleshooting guides
Engine Rebuild:
Detailed steps for complete engine disassembly, overhaul, and reassembly
Transmission Repair:
CVT belt replacement, clutch adjustment, gearbox service
Suspension Service:
Shock absorber servicing, steering linkage maintenance
Brake System Overhaul:
Bleeding procedures, caliper rebuild, pad replacement
Electrical Diagnostics:
Wiring harness checks, component testing, fault finding
Carburetor Adjustment And Rebuild:
Jetting information, idle speed adjustment, float level setting
Depth Level:
Comprehensive factory-level detail for professional technicians and advanced DIY mechanics
Diagnostic Information:
Detailed diagnostic charts and procedures for identifying and resolving problems
Torque Specifications:
Precise torque values for all critical fasteners and components
Clearances And Tolerances:
Specifications for engine component clearances (e.g., valve clearances, piston-to-cylinder wall)
Wiring Diagrams:
Complete and detailed electrical schematics for all vehicle systems
Engine Type:
Air-cooled, 4-stroke, SOHC, 2-valve
Displacement:
558cc (558 cubic centimeters)
Bore X Stroke:
95.0 mm x 78.2 mm
Carburetor:
Mikuni BSR33/1 (Single Carburetor)
Lubrication System:
Wet sump
Starter System:
Electric Start
Estimated Horsepower:
Approx. 27-30 HP (at crank, typical for this class)
Estimated Torque:
Approx. 30-34 Nm (at crank, typical for this class)
Fuel Type:
Unleaded gasoline (87 octane or higher recommended)
Fuel Tank Capacity:
3.2 US gal (12 L)
Atv Safety Standards:
Complies with ANSI/SVIA requirements (standard for ATVs)
Braking System:
Hydraulic disc brakes (Front and Rear)
Parking Brake:
Mechanical drum brake (often on rear axle or integrated)
Handlebars:
Standard ATV handlebars with throttle and brake levers
Footwells:
Aggressively textured, large footwells for secure footing
Headlight Taillight:
Standard lighting for visibility
Engine Oil Change:
Every 100 hours or annually. Refer to manual for specific recommendations.
Air Filter Cleaning:
Inspect every 20 hours, clean/replace as needed. More frequently in dusty conditions.
Spark Plug Check:
Every 100 hours or annually. Replace as needed.
Cvt Belt Inspection:
Inspect every 200 hours or annually. Replace based on wear and condition.
Valve Clearance Check:
Every 200 hours or annually. Adjust as per manual specifications.
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher, JASO MA)
Engine Oil Capacity:
1.70 US qt (1.6 L) without filter change; 1.80 US qt (1.7 L) with filter change
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid
Gear Oil Type:
Yamalube 80W hypoid gear oil (or equivalent SAE 80W API GL-4)
Gear Oil Capacity:
0.09 US qt (0.085 L)
Common Wear Items:
CVT belt, brake pads, suspension bushings, drive shaft U-joints.
Carburetor Performance:
Can be prone to clogging if fuel is left sitting, requiring cleaning and potentially jetting changes for altitude or modifications.
Engine Starting:
Battery health is crucial for reliable electric start. Carburetor and fuel delivery issues can also affect starting.
Yamaha Atv Legacy:
Yamaha has been a pioneer in the ATV market since the 1970s with models like the Tri-Z and Banshee, establishing a reputation for performance and durability.
Yfm600 Introduction:
The YFM600 Grizzly was introduced as Yamaha's answer to the growing demand for larger-displacement, more capable utility ATVs, focusing on comfort, power, and off-road prowess.
Key Updates:
This generation (1998-2001) saw refinements in engine performance, chassis stability, and ergonomics compared to earlier models.
Manufacturing Location:
Typically manufactured in Japan or at Yamaha's international facilities.