5UG-F8199-11 LIT-11626-18-46 READ THIS MANUAL CAREFULLY! It contains important safety information. YXR660FAT OWNER’S MANUAL
EVU00010 1- INTRODUCTION Congratulations on your purchase of the Yamaha YXR660FA. It represents the result of many years of Yamaha experience in the production of fine sporting, touring, and pace-setting racing vehicles. With the purchase of this Yamaha, you can now appreciate the high degree of crafts- manship and reliability that have made Yamaha a leader in these fields. This manual will provide you with a good basic understanding of the features and operation of this vehicle. It also includes basic maintenance and inspection procedures. If you have any questions regarding the operation or maintenance of your vehicle, please consult a Yamaha dealer. WARNING _ Please read this manual carefully before operating this vehicle. Do not attempt to operate this vehicle until you have attained adequate knowledge of its controls and operating fea- tures. Regular inspections and careful maintenance, along with good operating tech- niques, will help ensure that you safely enjoy the capabilities and reliability of this vehicle. _
EVU00020 1- IMPORTANT MANUAL INFORMATION FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS INJURY OR DEATH. Particularly important information is distinguished in this manual by the following notations: The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! WARNING Failure to follow WARNING instructions could result in severe injury or death to the vehicle operator, a bystander or a person inspecting or repairing the vehicle. CAUTION: A CAUTION indicates special precautions that must be taken to avoid damage to the vehicle. NOTE: A NOTE provides key information to make procedures easier or clearer.
EVU00050 CONTENTS LOCATION OF THE WARNING AND SPECIFICATION LABELS....... 1-1 SAFETY INFORMATION.................. 2-1 DESCRIPTION AND VEHICLE IDENTIFICATION ............................. 3-1 Identification number records .......... 3-3 Key identification number ................ 3-3 Vehicle identification number .......... 3-4 Model label ...................................... 3-4 CONTROL FUNCTIONS .................. 4-1 Main switch...................................... 4-1 Indicator and warning lights ............ 4-3 Switches .......................................... 4-6 Accelerator pedal .......................... 4-10 Brake pedal ................................... 4-11 Parking brake lever ....................... 4-12 Drive select lever ........................... 4-13 Fuel tank cap ................................. 4-13 1 2 3 4 Fuel level check window ................4-14 Starter (choke) ...............................4-14 Seats ..............................................4-15 Seat belts .......................................4-16 Glove compartment .......................4-18 Cargo bed ......................................4-18 Front and rear shock absorber adjustment ...................................4-21 Trailer hitch bracket .......................4-23 Auxiliary DC jack ............................4-24 PRE-OPERATION CHECKS ............5-1 Front and rear brakes ......................5-2 Fuel ..................................................5-4 Engine oil .........................................5-5 Coolant .............................................5-6 Final gear oil ....................................5-7 Differential gear oil ...........................5-7 Accelerator pedal .............................5-7 Seat belts .........................................5-7 Steering............................................5-8 Fittings and fasteners ......................5-8 Lights................................................5-8 5
Switches .......................................... 5-8 Tires ................................................ 5-8 How to measure tire pressure....... 5-10 Tire wear limit ................................ 5-11 OPERATION..................................... 6-1 Starting a cold engine ..................... 6-1 Starting a warm engine ................... 6-3 Jump-starting .................................. 6-3 Warming up..................................... 6-5 Drive select lever operation and reverse driving............................... 6-5 Engine break-in ............................... 6-7 Parking ............................................ 6-9 Parking on a slope .......................... 6-9 Accessories and loading ............... 6-11 DRIVING YOUR VEHICLE............... 7-1 Getting to know your vehicle........... 7-1 Learning to operate your vehicle .... 7-5 Turning your vehicle........................ 7-6 Braking ............................................ 7-7 Going uphill ..................................... 7-7 Going downhill ................................. 7-9 Crossing through shallow water .... 7-11 Riding over rough terrain ............... 7-13 Riding in brush or wooded areas ............................................ 7-14 Encountering obstacles on the trail ............................................... 7-15 PERIODIC MAINTENANCE AND ADJUSTMENT .................................. 8-1 Owner’s manual and tool kit ............ 8-1 Periodic maintenance/ lubrication ...................................... 8-4 Hood ................................................ 8-6 Console............................................ 8-8 Engine oil and oil filter cartridge ...... 8-9 Final gear oil .................................. 8-13 Differential gear oil......................... 8-15 Coolant .......................................... 8-17 Axle boots ...................................... 8-19 Spark plug inspection .................... 8-20 6 7 8
Cleaning the air filter elements...... 8-22 V-belt cooling duct check hose ..... 8-27 V-belt case drain plug.................... 8-28 Spark arrester cleaning ................. 8-29 Carburetor adjustment ................... 8-30 Idle speed adjustment ................... 8-31 Valve clearance adjustment .......... 8-31 Front brake pad check .................. 8-32 Rear brake pad check ................... 8-33 Checking the brake fluid level ....... 8-33 Brake fluid replacement ................. 8-34 Checking the brake pedal ............. 8-35 Parking brake lever free play adjustment ................................... 8-36 Brake light switch adjustment........ 8-37 Cable inspection and lubrication ... 8-38 Brake pedal and accelerator pedal lubrication .......................... 8-39 Rear knuckle upper and lower pivot lubrication............................ 8-39 Steering shaft lubrication............... 8-40 Wheel removal .............................. 8-40 Wheel installation .......................... 8-41 Battery ............................................8-42 Battery maintenance ......................8-43 Fuse replacement ..........................8-44 Replacing a headlight bulb ............8-46 Headlight beam adjustment ...........8-47 Tail/brake light bulb replacement .................................8-48 Troubleshooting .............................8-50 Troubleshooting charts ..................8-51 CLEANING AND STORAGE ............9-1 A. Cleaning ......................................9-1 B. Storage ........................................9-3 SPECIFICATIONS .........................10-1 NOISE REGULATION.....................11-1 MAINTENANCE RECORD .............12-1 9 10 11 12
YAMAHA MOTOR CORPORATION, U.S.A. SIDE × SIDE VEHICLE LIMITED WARRANTY ................... 13-1 YAMAHA EXTENDED SERVICE (Y.E.S.) .......................................... 14-1 13 14
1-1 EVU00060 1- LOCATION OF THE WARNING AND SPECIFICATION LABELS
This manual provides a comprehensive understanding of the features and operation of the machine, including important safety information and special riding techniques. It is available in English and can be delivered via various methods. It is compatible with all versions of Windows and Mac, requiring Adobe Reader for access.