Target Audience:
DIY enthusiasts, ATV owners, and independent repair shops
Completeness:
Claimed to be the 'most complete Manual...ever compiled by mankind' for this model.
Diagrams:
Over 400 pages of high-quality diagrams and instructions
Scope:
Covers servicing and repair from front bumper to rear.
User Friendliness:
Aimed at DIYers, suggesting clarity in instructions.
Primary Coverage:
Yamaha Grizzly YFM660
Applicable Years:
2002, 2003, 2004, 2005, 2006
Estimated Pages:
Over 400
Type:
Service Manual / Repair Manual
Purpose:
Repair and maintenance
Clarity:
Assumed clear and concise technical language suitable for repair
File Format:
RAR Archive (likely containing PDF files)
Delivery Method:
Digital download (RAR file)
Engine:
Engine overhaul, cooling system, carburetion
Drivetrain:
Drive train components, operation, and service
Chassis:
Chassis systems, suspension, steering, and brakes
Electrical:
Electrical system, ignition, charging, and accessories
Front Suspension:
Independent double-wishbone with 7.1-inch travel
Rear Suspension:
Independent double-wishbone with 8.1-inch travel
Wheels Tires:
Front: AT25x8-12, Rear: AT25x10-12 (Tire pressure specifications in manual)
Exhaust System:
Coverage of exhaust system components and maintenance
Fuel Tank And Lines:
Information on fuel delivery system maintenance
Maintenance:
Periodic inspection and adjustment
Repair:
Comprehensive repair procedures for all major systems
Diagnostics:
Troubleshooting guides and diagnostic procedures
Wiring:
Detailed wiring diagrams
Engine Rebuild:
Detailed engine overhaul procedures
Carburetor Adjustment:
Specific procedures for carburetor tuning and cleaning
Suspension Adjustment:
Information on adjusting suspension settings
Spark Plug Replacement:
Specifications and procedures for spark plug maintenance
Drive Belt Replacement:
Critical procedure for CVT transmission, detailed in the manual
Depth:
Comprehensive, covering from basic adjustments to full engine overhaul. High-quality diagrams.
Diagram Utility:
Diagrams are crucial for understanding component locations and assembly/disassembly sequences.
Troubleshooting Scope:
Comprehensive troubleshooting section for diagnosing common and complex problems
Engine Type:
Liquid-cooled, 4-stroke, SOHC, 4-valve
Bore X Stroke:
95mm x 93.2mm (Typical for this engine)
Compression Ratio:
9.2:1 (Typical for this engine)
Fuel Delivery:
Carburetion (Specific carburetor model and jetting details will be in the manual)
Carburetor Type:
Mikuni BSR42 (Common for this model, specifics in manual)
Cooling Method:
Liquid-cooled
Transmission Type:
Automatic (V-belt type, CVT)
Gear Selection:
High/Low range, Neutral, Reverse
Drive System:
Shaft drive, selectable 4WD with locking front differential
Overall Length:
Approximately 76.8 inches (1950 mm)
Overall Width:
Approximately 44.7 inches (1135 mm)
Overall Height:
Approximately 45.3 inches (1150 mm)
Dry Weight:
Approximately 544 lbs (247 kg)
Ground Clearance:
Approximately 11.2 inches (285 mm)
Oil Change Interval:
Refer to manual for specific intervals (typically every 1000 km or 6 months for synthetic blend oil)
Air Filter Cleaning:
Refer to manual for specific intervals (frequent cleaning/replacement recommended in dusty conditions)
Engine Oil Type:
Yamalube 4W, SAE 10W-40, API SG or higher (Specifics in manual)
Coolant Type:
Yamaha Super Coolant or equivalent (50/50 mix with distilled water) (Specifics in manual)
Gear Oil Type:
Yamalube Gear Oil or equivalent SAE 80 API GL-4 (Specifics in manual)
Brake Fluid Type:
DOT 3 or DOT 4 (Specifics in manual)
Common Wear Items:
Brake pads, drive belts, wheel bearings, ball joints (Manual will detail inspection and replacement)
Carburetor Issues:
Potential for clogging due to fuel quality or debris (Manual covers cleaning and rebuilding)
Manufacturer:
Yamaha Motor Company, known for high-performance powersports vehicles
Grizzly Lineage:
The Grizzly 660 was a significant model in Yamaha's ATV lineup, offering a powerful engine and 4WD capability.
Predecessors Successors:
Evolved from earlier Grizzly models and was later succeeded by the Grizzly 700. The 660 was known for its torque.
Production Period:
2002-2008 for the 660 model. This manual covers the initial years of this generation.