YAMAHA GRIZZLY 660 2008 Owners Manual

DIC183
YFM66FGX
OWNER’S MANUAL
MANUEL DU PROPRIÉTAIRE
MANUAL DEL PROPIETARIO
23D-28199-60

PRINTED IN JAPAN
2007.03-0.3×1 CR
(E,F,S) PRINTED ON RECYCLED PAPER
IMPRIMÉ SUR PAPIER RECYCLÉ
IMPRESO EN PAPEL RECICLADO
YAMAHA MOTOR CO., LTD.
DIC183

OWNER’S MANUAL
YFM66FGX
23D-28199-60-E0
U23D60E0.book Page 1 Thursday, March 15, 2007 7:59 PM

EBU17161
representing YAMAHA MOTOR CO., LTD., Iwata, Japan,
declare in sole responsibility, that the product
EC Declaration of Conformity
conforming to Directive 98/37/EC
YAMAHA MOTOR EUROPE N.V.,
(Name of supplier)
Koolhovenlaan 101, 1119 NC Schiphol-Rijk, The Netherlands,
(Make, model)
to which this declaration applies, conforms to the essential
health and safety requirements of Directive 98/37/EC,
(if applicable)
and to the other relevant EEC Directives:
89/336/EEC
(Title and/or number and date of issue of the other
EEC Directives
)
(if applicable)
To effect correct application of the essential health and safety
requirements stated in the EEC Directives, the following
standards and/or technical specifications were consulted:
(Title and/or number and date of issue of standards and/or specifications)
NL-1119 NC Schiphol, (Place and date of issue)
T. Mabuchi
(Name and job function of authorized person)
We,
YFM660FWA (JY4AM03W050000001~)
EN292, ANSI/SVIA-1-2001
Executive Vice President
February 28, 2005
U23D60E0.book Page 1 Thursday, March 15, 2007 7:59 PM

EBU17170
INTRODUCTION
EBU17290Congratulations on your purchase of the Yamaha YFM66FGX. This ATV represents the result of many
years of Yamaha experience in the production of fine sporting, touring, and pacesetting racing machines.
With the purchase of this Yamaha, you can now appreciate the high degree of craftsmanship 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 ATV.
This manual includes important safety information. It provides information about special tech-
niques and skills necessary to ride the ATV. It also includes basic maintenance and inspection proce-
dures. If you have any questions regarding the operation or maintenance of your ATV, please consult a
Yamaha dealer.
AN IMPORTANT SAFETY MESSAGE:
READ THIS MANUAL COMPLETELY BEFORE OPERATING YOUR ATV. MAKE SURE YOU UNDER-
STAND ALL INSTRUCTIONS.
PAY CLOSE ATTENTION TO THE WARNING AND CAUTION LABELS ON THE ATV.
THIS ATV, AND ANY OTHER ATV OVER 90 cc, SHOULD NOT BE RIDDEN BY ANYONE UNDER 16
YEARS OF AGE.
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EBU17330
IMPORTANT MANUAL INFORMATION
EBU17341FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS IN-
JURY OR DEATH.
Particularly important information is distinguished in this manual by the following notations:
* Product and specifications are subject to change without notice.The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR
SAFETY IS INVOLVED!
Failure to follow WARNING instructions could result in severe injury
or death
to the ATV operator, a bystander, or a person inspecting or
repairing the ATV.
A CAUTION indicates special precautions that must be taken to avoid
damage to the ATV.
A NOTE provides key information to make procedures easier or clearer.
WARNING
CAUTION:
NOTE:
U23D60E0.book Page 1 Thursday, March 15, 2007 7:59 PM

EBU17350
IMPORTANT NOTICE
EBU17370Welcome to the Yamaha world of motor sports!
This ATV is designed and manufactured for use on UNPAVED surfaces only. It is unsafe to operate this
ATV on any paved surface, paved street, paved road or motorway.
Please check your local riding laws and regulations before operating this ATV.
EBU17390
YFM66FGX
OW NER’S MANUAL
©2007 by Yamaha Motor Co., Ltd.
1st edition, February 2007
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan.
U23D60E0.book Page 1 Thursday, March 15, 2007 7:59 PM

EBU17420
TABLE OF CONTENTS
SAFETY INFORMATION .............................. 1-1
LOCATION OF THE WARNING AND
SPECIFICATION LABELS ............................ 2-1
DESCRIPTION .............................................. 3-1
Left view ...................................................... 3-1
Right view.................................................... 3-1
Controls and instruments ............................ 3-2
INSTRUMENT AND
CONTROL FUNCTIONS ................................ 4-1
Main switch ................................................ 4-1
Indicator lights and warning light ................ 4-2
Multifunction display ................................... 4-4
Handlebar switches .................................... 4-6
Throttle lever ............................................ 4-11
Speed limiter ............................................ 4-12
Front brake lever ...................................... 4-12
Brake pedal and rear brake lever ............. 4-13
Drive select lever ...................................... 4-14
Recoil starter ............................................ 4-14
Fuel tank cap ............................................ 4-14
Fuel .......................................................... 4-15Fuel cock ..................................................4-16
Starter (choke) ..........................................4-17
Seat ..........................................................4-18
Storage compartment ...............................4-19
Front carrier ..............................................4-20
Rear carrier ...............................................4-20
Adjusting the front and
rear shock absorber assemblies .............4-20
Auxiliary DC jack .......................................4-21
PRE-OPERATION CHECKS ..........................5-1
Pre-operation check list ..............................5-1
Fuel .............................................................5-3
Engine oil ....................................................5-3
Final gear oil ...............................................5-3
Differential gear oil ......................................5-3
Coolant .......................................................5-3
Front and rear brakes .................................5-4
Throttle lever ...............................................5-5
Tires ............................................................5-5
Measuring the tire pressure ........................5-6
Tire wear limit .............................................5-7
Chassis fasteners .......................................5-7
Instruments, lights and switches .................5-7U23D60E0.book Page 1 Thursday, March 15, 2007 7:59 PM

OPERATION .................................................. 6-1
Starting a cold engine ................................ 6-1
Starting a warm engine .............................. 6-3
Operating the drive select lever and
driving in reverse ...................................... 6-3
Engine break-in .......................................... 6-5
Parking ....................................................... 6-6
Parking on a slope ..................................... 6-6
Accessories and loading ............................ 6-6
RIDING YOUR ATV ...................................... 7-1
GETTING TO KNOW YOUR ATV............... 7-2
RIDE WITH CARE AND
GOOD JUDGEMENT ................................ 7-2
BE CAREFUL WHERE YOU RIDE ............. 7-9
TURNING YOUR ATV .............................. 7-13
CLIMBING UPHILL ................................... 7-14
RIDING DOWNHILL.................................. 7-17
CROSSING A SLOPE............................... 7-18
CROSSING THROUGH
SHALLOW WATER................................. 7-19
RIDING OVER ROUGH TERRAIN ........... 7-22
SLIDING AND SKIDDING ......................... 7-22
WHAT TO DO IF... .................................... 7-23
WHAT TO DO... ........................................ 7-23PERIODIC MAINTENANCE AND
MINOR REPAIR .............................................8-1
Owner’s manual and tool kit .......................8-1
Periodic maintenance chart for
the emission control system .....................8-3
General maintenance and
lubrication chart ........................................8-5
Removing and installing panels ..................8-9
Checking the spark plug ...........................8-16
Engine oil and oil filter cartridge ................8-18
Final gear oil .............................................8-22
Differential gear oil ....................................8-24
Coolant .....................................................8-26
Cleaning the air filter element ...................8-30
Cleaning the spark arrester ......................8-34
V-belt cooling duct check hose .................8-35
V-belt case drain plug ...............................8-35
Adjusting the carburetor ............................8-36
Adjusting the engine idling speed .............8-36
Adjusting the throttle cable free play .........8-37
Valve clearance ........................................8-38
Adjusting the drive select lever
safety system cable ................................8-38
Checking the front and rear brake pads ...8-38
Checking the brake fluid level ...................8-39
Changing the brake fluid ...........................8-41
Checking the front brake lever free play ...8-41U23D60E0.book Page 2 Thursday, March 15, 2007 7:59 PM

Adjusting the rear brake lever free play
and checking the brake pedal position ... 8-42
Axle boots ................................................ 8-44
Brake light switches ................................. 8-44
Checking and lubricating the cables ........ 8-45
Checking and lubricating
the front and rear brake levers ............... 8-45
Checking and
lubricating the brake pedal ..................... 8-46
Checking the wheel hub bearings ............ 8-47
Checking the stabilizer bushes ................ 8-47
Lubricating the rear knuckle pivots ........... 8-47
Lubricating the steering shaft ................... 8-48
Battery ...................................................... 8-48
Replacing a fuse ...................................... 8-50
Replacing a headlight bulb ....................... 8-51
Adjusting a headlight beam ...................... 8-53
Replacing the tail/brake light bulb ............ 8-53
Removing a wheel .................................... 8-54
Installing a wheel ...................................... 8-54
Troubleshooting ....................................... 8-56
Troubleshooting charts ............................. 8-57
CLEANING AND STORAGE .......................... 9-1
Cleaning ..................................................... 9-1
Storage ....................................................... 9-2SPECIFICATIONS .......................................10-1
CONSUMER INFORMATION.......................11-1
Identification numbers ...............................11-1
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