This manual covers the Yamaha GRIZZLY YFM660 All-Terrain Vehicle (ATV) produced between 2002 and 2006. Engineered by Yamaha Motor Corporation, the GRIZZLY YFM660 is designed for off-road exploration and utility, featuring a robust 660cc liquid-cooled, four-stroke engine with a parallel-twin configuration. Its advanced capabilities include selectable 2WD/4WD shaft drive, electric start, and a reliable CDI ignition system, making it a capable companion for demanding terrains and work.
This comprehensive Service Repair Manual provides essential information for the maintenance, repair, and servicing of your Yamaha GRIZZLY YFM660. Within its pages, you will find detailed procedures for routine maintenance, troubleshooting common issues, and in-depth technical specifications. It is an indispensable resource for owners, technicians, and mechanics to ensure the optimal performance, longevity, and safety of the vehicle, covering everything from lubrication points to general torque specifications.
YAMAHA GRIZZLY YFM660 Service Repair Manual
407 Pages Total
CONTENTS
CHAPTER 1. GENERAL INFORMATION
* MACHINE IDENTIFICATION * FEATURES * IMPORTANT INFORMATION * CHECKING OF CONNECTIONS * SPECIAL TOOLS
CHAPTER 2. SPECIFICATIONS
* GENERAL SPECIFICATIONS * MAINTENANCE SPECIFICATIONS * HOW TO USE THE CONVERSION TABLE * GENERAL TORQUE SPECIFICATIONS * LUBRICATION POINTS AND LUBRICANT TYPES * COOLANT FLOW DIAGRAMS * OIL FLOW DIAGRAMS * CABLE ROUTING
CHAPTER 3. PERIODIC CHECKS AND ADJUSTMENTS
* INTRODUCTION * PERIODIC MAINTENANCE/LUBRICATION INTERVALS * SEAT, CARRIERS, FENDERS AND FUEL TANK * FOOTREST BOARDS * ENGINE * ELECTRICAL
CHAPTER 4. ENGINE
* ENGINE REMOVAL * CYLINDER HEAD COVER * ROCKER ARMS * CAMSHAFT AND CYLINDER HEAD * VALVES AND VALVE SPRINGS * CYLINDER AND PISTON * RECOIL STARTER AND AC MAGNETO * BALANCER GEARS AND OIL PUMP GEARS * PRIMARY AND SECONDARY SHEAVES * CLUTCH * CRANKCASE * CRANKSHAFT AND OIL PUMP * TRANSMISSION * MIDDLE GEAR
CHAPTER 5. COOLING SYSTEM
* RADIATOR * THERMOSTAT * WATER PUMP
CHAPTER 6. CARBURETION
* CARBURETOR
CHAPTER 7. DRIVE TRAIN
* TROUBLESHOOTING * FRONT CONSTANT VELOCITY JOINTS AND DIFFERENTIAL GEAR * REAR CONSTANT VELOCITY JOINT/FINAL DRIVE GEAR AND DRIVE SHAFT
CHAPTER 8. CHASSIS
* FRONT WHEELS AND BRAKE DISCS * REAR WHEELS AND BRAKE DISC * FRONT AND REAR BRAKES * STEERING SYSTEM * FRONT ARMS AND FRONT SHOCK ABSORBER * REAR KNUCKLE AND STABILIZER * REAR ARMS AND REAR SHOCK ABSORBER
CHAPTER 9. ELECTRICAL
* ELECTRICAL COMPONENTS * CHECKING THE SWITCH * IGNITION SYSTEM * ELECTRIC STARTING SYSTEM * CHARGING SYSTEM * LIGHTING SYSTEM * SIGNAL SYSTEM * COOLING SYSTEM * 2WD/4WD SELECTING SYSTEM
CHAPTER 10. TROUBLESHOOTING
* STARTING FAILURE/HARD STARTING * POOR IDLE SPEED PERFORMANCE * POOR MEDIUM AND HIGH-SPEED PERFORMANCE * FAULTY DRIVE TRAIN * FAULTY GEAR SHIFTING * FAULTY CLUTCH PERFORMANCE * OVERHEATING * FAULTY BRAKE * SHOCK ABSORBER MALFUNCTION * UNSTABLE HANDLING * LIGHTING SYSTEM
* INSTANT DOWNLOAD
* NO SHIPPING COST
* NO NEED TO WAIT FOR A CD-ROM
YAMAHA GRIZZLY YFM660 Service Repair Manual
407 Pages Total
CONTENTS
CHAPTER 1. GENERAL INFORMATION
* MACHINE IDENTIFICATION * FEATURES * IMPORTANT INFORMATION * CHECKING OF CONNECTIONS * SPECIAL TOOLS
CHAPTER 2. SPECIFICATIONS
* GENERAL SPECIFICATIONS * MAINTENANCE SPECIFICATIONS * HOW TO USE THE CONVERSION TABLE * GENERAL TORQUE SPECIFICATIONS * LUBRICATION POINTS AND LUBRICANT TYPES * COOLANT FLOW DIAGRAMS * OIL FLOW DIAGRAMS * CABLE ROUTING
CHAPTER 3. PERIODIC CHECKS AND ADJUSTMENTS
* INTRODUCTION * PERIODIC MAINTENANCE/LUBRICATION INTERVALS * SEAT, CARRIERS, FENDERS AND FUEL TANK * FOOTREST BOARDS * ENGINE * ELECTRICAL
CHAPTER 4. ENGINE
* ENGINE REMOVAL * CYLINDER HEAD COVER * ROCKER ARMS * CAMSHAFT AND CYLINDER HEAD * VALVES AND VALVE SPRINGS * CYLINDER AND PISTON * RECOIL STARTER AND AC MAGNETO * BALANCER GEARS AND OIL PUMP GEARS * PRIMARY AND SECONDARY SHEAVES * CLUTCH * CRANKCASE * CRANKSHAFT AND OIL PUMP * TRANSMISSION * MIDDLE GEAR
CHAPTER 5. COOLING SYSTEM
* RADIATOR * THERMOSTAT * WATER PUMP
CHAPTER 6. CARBURETION
* CARBURETOR
CHAPTER 7. DRIVE TRAIN
* TROUBLESHOOTING * FRONT CONSTANT VELOCITY JOINTS AND DIFFERENTIAL GEAR * REAR CONSTANT VELOCITY JOINT/FINAL DRIVE GEAR AND DRIVE SHAFT
CHAPTER 8. CHASSIS
* FRONT WHEELS AND BRAKE DISCS * REAR WHEELS AND BRAKE DISC * FRONT AND REAR BRAKES * STEERING SYSTEM * FRONT ARMS AND FRONT SHOCK ABSORBER * REAR KNUCKLE AND STABILIZER * REAR ARMS AND REAR SHOCK ABSORBER
CHAPTER 9. ELECTRICAL
* ELECTRICAL COMPONENTS * CHECKING THE SWITCH * IGNITION SYSTEM * ELECTRIC STARTING SYSTEM * CHARGING SYSTEM * LIGHTING SYSTEM * SIGNAL SYSTEM * COOLING SYSTEM * 2WD/4WD SELECTING SYSTEM
CHAPTER 10. TROUBLESHOOTING
* STARTING FAILURE/HARD STARTING * POOR IDLE SPEED PERFORMANCE * POOR MEDIUM AND HIGH-SPEED PERFORMANCE * FAULTY DRIVE TRAIN * FAULTY GEAR SHIFTING * FAULTY CLUTCH PERFORMANCE * OVERHEATING * FAULTY BRAKE * SHOCK ABSORBER MALFUNCTION * UNSTABLE HANDLING * LIGHTING SYSTEM
* INSTANT DOWNLOAD
* NO SHIPPING COST
* NO NEED TO WAIT FOR A CD-ROM