Yamaha GRIZZLY 450 YFM45GDXG User manual

DIC183
YFM45GDXG
YFM45GPXG/YFM45GPHG
OWNER’S MANUAL
MANUEL DU PROPRIÉTAIRE
MANUAL DEL PROPIETARIO
2LC-F8199-6S
READ THIS MANUAL CAREFULLY!
It contains important safety information.
LIRE ATTENTIVEMENT CE MANUEL!
Il comprend d’importantes informations de sécurité.
¡LEA ESTE MANUAL ATENTAMENTE!
Contiene indicaciones importantes acerca de la seguridad.

DIC183
Original instructions
Notice originale
Manual original
PRINTED IN USA
2016.02-0.3×1 CR
(E,F,S)

READ THIS MANUAL CAREFULLY!
It contains important safety information.
WARNING
OWNER’S MANUAL
YFM45GDXG
YFM45GPXG/YFM45GPHG
This ATV should not be ridden by anyone under 16 years of age.
2LC-F8199-6S-E0
U2LC6SE0.book Page 1 Thursday, January 21, 2016 9:58 AM

EBU30098
Read this manual carefully before operating this vehicle. This manual should stay with this ve-
hicle if it is sold.
EN15997, ANSI/SVIA 1-2010
General Manager
Engineering Division
Recreational Vehicle Business Unit
Vehicle & Solution Business Operations
YAMAHA MOTOR CO., LTD.
24 December, 2015
YFM450FWA (YFM45GDX) (5Y4AJ14W0F0524167–)
We,YAMAHA MOTOR CO., LTD. 2500 Shingai, Iwata, Japan,
declare in sole responsibility, that the product
(Make, model)
(If applicable)
and to the other relevant Directives of EEC
2004/108/EC, 2014/30/EU
(Title and/or number and date of issue of the other Directives of EEC)
(If applicable)
YAMAHA MOTOR EUROPE N.V.
Koolhovenlaan 101, 1119 NC Schiphol-Rijk, The Netherlands
Signature
Akihiro Tsuzuki
Date of Issue
to which this declaration applies, conforms to the essential health
and safety requirements of Directive 2006/42/EC
To effect correct application of the essential health and safety requirements
stated in the Directives of EEC, the following-standards and/or technical
specifications were consulted:
(Title and/or number and date of issue of standards and/or specifications)
Authorized Representative
EC Declaration of Conformity
conforming to Directive 2006/42/EC
Manufacturer
YAMAHA MOTOR MANUFACTURING CORPORATION OF AMERICA
1000 GA Highway 34 East, Newnan, Georgia 30265-1320, U.S.A.
U2LC6SE0.book Page 1 Thursday, January 21, 2016 9:58 AM

EN15997, ANSI/SVIA 1-2010
General Manager
Engineering Division
Recreational Vehicle Business Unit
Vehicle & Solution Business Operations
YAMAHA MOTOR CO., LTD.
24 December, 2015
YFM450FWAD (YFM45GPX) (5Y4AJ47W0F0504701–)
(YFM45GPH) (5Y4AJ48W0F0500701–)
We,YAMAHA MOTOR CO., LTD. 2500 Shingai, Iwata, Japan,
declare in sole responsibility, that the product
(Make, model)
(If applicable)
and to the other relevant Directives of EEC
2004/108/EC, 2014/30/EU
(Title and/or number and date of issue of the other Directives of EEC)
(If applicable)
YAMAHA MOTOR EUROPE N.V.
Koolhovenlaan 101, 1119 NC Schiphol-Rijk, The Netherlands
Signature
Akihiro Tsuzuki
Date of Issue
to which this declaration applies, conforms to the essential health
and safety requirements of Directive 2006/42/EC
To effect correct application of the essential health and safety requirements
stated in the Directives of EEC, the following-standards and/or technical
specifications were consulted:
(Title and/or number and date of issue of standards and/or specifications)
Authorized Representative
EC Declaration of Conformity
conforming to Directive 2006/42/EC
Manufacturer
YAMAHA MOTOR MANUFACTURING CORPORATION OF AMERICA
1000 GA Highway 34 East, Newnan, Georgia 30265-1320, U.S.A.
U2LC6SE0.book Page 2 Thursday, January 21, 2016 9:58 AM

EBU17171
INTRODUCTION
EBU17293
Congratulations on your purchase of the Yamaha YFM45GDXG / YFM45GPXG / YFM45GPHG. 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 understand all instructions.
Pay close attention to the warning and notice labels on the ATV.
This ATV should not be ridden by anyone under 16 years of age.
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EBU17331
IMPORTANT MANUAL INFORMATION
EBU17343
FAILURE 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.
This is the safety alert symbol. It is used to alert you to potential per-
sonal injury hazards. Obey all safety messages that follow this sym-
bol to avoid possible injury or death.
A WARNING indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
A NOTICE indicates special precautions that must be taken to avoid
damage to the vehicle or other property.
A TIP provides key information to make procedures easier or clearer.
WARNING
NOTICE
TIP
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EBU17351
IMPORTANT NOTICE
EBU17373
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.
EBU17411
YFM45GDXG / YFM45GPXG / YFM45GPHG
OWNER’S MANUAL
©2016 by Yamaha Motor Co., Ltd.
1st edition, January 2016
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in U.S.A.
U2LC6SE0.book Page 1 Thursday, January 21, 2016 9:58 AM

EBU17421
TABLE OF CONTENTS
LOCATION OF THE WARNING AND
SPECIFICATION LABELS ..............................1-1
SAFETY INFORMATION ................................ 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 lights ..............4-2
Multi-function display.................................. 4-5
Fuel gauge .................................................. 4-6
Handlebar switches .................................... 4-7
Throttle lever ............................................. 4-12
Speed limiter ............................................. 4-13
Front brake lever ....................................... 4-14
Brake pedal and rear brake lever..............4-14
Drive select lever....................................... 4-15
Fuel tank cap ............................................4-15
Fuel ...........................................................4-15
Fuel cock .................................................. 4-17
Starter (choke) ......................................... 4-18
Seat .......................................................... 4-19
Storage compartments............................. 4-20
Front carrier .............................................. 4-22
Rear carrier ............................................... 4-22
Adjusting the front and rear shock
absorber assemblies ............................. 4-22
Auxiliary DC jack....................................... 4-24
PRE-OPERATION CHECKS .......................... 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 ................................. 5-3
Throttle lever............................................... 5-4
Tires ............................................................ 5-4
Chassis fasteners ....................................... 5-7
Instruments, lights and switches ................ 5-7
OPERATION .................................................. 6-1
Starting a cold engine................................. 6-1
U2LC62E0.book Page 1 Monday, May 11, 2015 2:28 PM

Starting a warm engine ............................... 6-3
Operating the drive select lever and
driving in reverse.......................................6-3
Engine break-in ...........................................6-5
Parking ........................................................ 6-5
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
JUDGMENT .............................................. 7-2
BE CAREFUL WHERE YOU RIDE...............7-9
TURNING YOUR ATV................................7-12
CLIMBING UPHILL ................................... 7-13
RIDING DOWNHILL .................................. 7-16
CROSSING A SLOPE................................7-17
CROSSING THROUGH SHALLOW
WATER....................................................7-18
RIDING OVER ROUGH TERRAIN .............7-21
SLIDING AND SKIDDING..........................7-21
WHAT TO DO IF........................................7-22
WHAT TO DO............................................7-23
PERIODIC MAINTENANCE AND
ADJUSTMENT................................................8-1
Owner’s manual and tool kit .......................8-2
Periodic maintenance chart for the
emission control system........................... 8-3
General maintenance and lubrication
chart.......................................................... 8-5
Removing and installing panels................ 8-10
Checking the spark plug........................... 8-14
Engine oil and oil filter cartridge ............... 8-16
Final gear oil ............................................. 8-21
Differential gear oil.................................... 8-24
Coolant ..................................................... 8-26
Cleaning the air filter element ................... 8-30
Cleaning the spark arrester ...................... 8-33
V-belt cooling duct check hose................ 8-34
V-belt case drain plug............................... 8-35
Adjusting the carburetor ........................... 8-35
Adjusting the engine idling speed ............ 8-35
Adjusting the throttle lever free play......... 8-37
Valve clearance......................................... 8-37
Adjusting the drive select lever safety
system cable .......................................... 8-38
Brakes....................................................... 8-38
Checking the front brake pads and rear
brake friction plates ................................ 8-38
Checking the brake fluid level .................. 8-39
Changing the brake fluid .......................... 8-40
Checking the front brake lever free play... 8-40
U2LC62E0.book Page 2 Monday, May 11, 2015 2:28 PM

Adjusting the rear brake lever and brake
pedal free play, and the brake pedal
height ...................................................... 8-41
Axle boots ................................................. 8-46
Brake light switches..................................8-47
Checking and lubricating the cables......... 8-48
Checking and lubricating the front and
rear brake levers ..................................... 8-48
Checking and lubricating the brake
pedal ....................................................... 8-49
Checking the wheel hub bearings............. 8-49
Lubricating the drive shaft universal
joint .........................................................8-50
Checking the stabilizer bushes ................. 8-51
Lubricating the rear knuckle pivots...........8-51
Lubricating the steering shaft ................... 8-52
Battery.......................................................8-52
Replacing a fuse ....................................... 8-55
Replacing a headlight bulb ....................... 8-57
Adjusting a headlight beam ...................... 8-59
Replacing the tail/brake light bulb ............8-60
Removing a wheel.....................................8-61
Installing a wheel....................................... 8-62
Troubleshooting ........................................8-63
Troubleshooting charts ............................. 8-64
CLEANING AND STORAGE........................... 9-1
Cleaning...................................................... 9-1
Storage ....................................................... 9-2
SPECIFICATIONS........................................ 10-1
CONSUMER INFORMATION....................... 11-1
Identification numbers .............................. 11-1
INDEX .......................................................... 12-1
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1-1
1
EBU29681
LOCATION OF THE WARNING AND SPECIFICATION LABELS
EBU30292
Read and understand all of the labels on your ATV. These labels contain important information for safe and
proper operation.
Never remove any labels from your ATV. If a label becomes difficult to read or comes off, request a re-
placement label from your Yamaha dealer.
For Europe
67 8119 10
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1-2
1
37S-F817R-00
< 40 kg
( 88 lbs)
25.0 kPa
0.25 kgf/cm²
3.6 psi
25.0 kPa
0.25 kgf/cm²
3.6 psi
5FU-F816M-M0
1P0-F816P-20
37S-F817R-10
< 80 kg
( 176 lbs)
< 5880 N
< 600 kgf
< 1322 lbf
< 147 N
< 15 kgf
< 33 lbf
37S-F817S-00
13
2
4
5
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1-3
1
1P0-F816R-00
YAMAHA
1HP-F811R-00
67
8
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1-4
1
37S-F816N-00
< 0.5 kg
( 1 lb )
37S-F816S-00
YAMAHA MOTOR CO., LTD.
2500 SHINGAI, IWATA, JAPAN
YFM450FWAD
19.4 kW
282 kg
2015
2LC-F155A-10
YAMAHA MOTOR CO., LTD.
2500 SHINGAI, IWATA, JAPAN
YFM450FWA
19.4 kW
276 kg
2015
1CU-F155A-70
9
10 11 YFM45GPXG
YFM45GPHG
11 YFM45GDXG
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1-5
1
Familiarize yourself with the following pictograms and read the explanatory text, then make sure to check
the pictograms that apply to your model.
Read the Owner’s manual.
ALWAYS use an approved helmet and
protective gear.
For ATV Type 1 category Y12, use from 12
years old.
Operation of this ATV by children under the
age of 12 increases the risk of severe injury
or death.
Adult supervision required for children under
age 16.
Use from 16 years old.
Operating this ATV if you are under the age
of 16 increases your chance of severe injury
or death.
NEVER use on paved roads.
NEVER carry passengers.
NEVER use with drugs or alcohol.
NEVER store fuel or flammable liquids.
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1-6
1
**.* kPa
*.** kgf/cm²
*.* psi
**.* kPa
*.** kgf/cm²
*.* psi
This pictogram shows trailer Hitch Tow
weight limit. (Combined weight of the trailer
and all cargo in the trailer.)
Overloading can cause loss of control.
Loss of control can result in severe injury or
death.
This unit contains high-pressure nitrogen
gas.
Mishandling can cause an explosion. Do not
incinerate, puncture or open.
Use unleaded gasoline only.
Measure the tire pressure when the tires are
cold.
Turning the ATV in 4WD-LOCK
(“DIFF.LOCK”) takes more effort.
Operate at a slow speed and allow extra
time and distance for maneuvers to avoid
loss of control.
Adjust the tire pressure.
Improper tire pressure can cause loss of
control.
Loss of control can result in severe injury or
death.
This pictogram shows the loading limits
and/or maximum load capacity for this ATV.
Follow all load limits and other loading
guidelines in this manual.
Load may include the driver, passenger,
human protective gear, accessories, goods,
luggage, and all other load related items.
Make sure you do not exceed the load limits.
Overloading can cause loss of control.
Loss of control can result in severe injury or
death.
This pictogram shows trailer Hitch Tongue
weight limit. (Weight on the trailer tongue.)
Overloading can cause loss of control.
Loss of control can result in severe injury or
death.
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1-7
1
YAMAHA MOTOR CO., LTD.
2500 SHINGAI, IWATA, JAPAN
******
*** kW
*** kg
****
1 2 3
4
1
2
3
4
Year of construction
Model Name
Max. Power
Mass In Running Order
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1-8
1
For Oceania
61 2 3 4 57 89
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1-9
1
5880 N
1322
(600 kgf)
( 15 kgf)
37S-F151K-00
5FU-F816M-20
25 kPa, (3.6 psi)
25 kPa, (3.6 psi)
22 kPa, (3.2 psi)
22 kPa, (3.2 psi)
13
4
5
2
U2LC62E0.book Page 9 Monday, May 11, 2015 2:28 PM