Page 9 of 444

FBU08010
RENSEIGNEMENTS
IMPORTANTS SUR CE
MANUEL
LE NON-RESPECT DES AVERTISSEMENTS
DONNÉS DANS CE MANUEL PEUT
ENTRAÎNER DES BLESSURES GRAVES ET
LA MORT.
Les informations particulièrement importantes
sont repérées par les notations suivantes:
Q
Le symbole de danger incite à ÊTRE VIGI-
LANT, CAR LA SÉCURITÉ EST EN JEU!
XG
Le non-respect des instructions données sous
un AVERTISSEMENT peut entr
aîner des
blessures graves ou la mortdu pilote, d’un
tiers ou d’une personne inspectant ou répa-
rant le véhicule.
SBU08010
INFORMACIÓN IMPORTANTE
SOBRE ESTE MANUAL
LA INOBSERVANCIA DE LAS ADVERTEN-
CIAS CONTENIDAS EN ESTE MANUAL
PUEDE ACARREAR LESIONES GRAVES O
INCLUSO MORTALES.
La información de especial importancia se seña-
la en este manual con las siguientes notaciones:
Q
El símbolo de alerta de seguridad significa
¡ATENCIÓN! ¡MANTÉNGASE ALERTA! ¡PELI-
GRA SU SEGURIDAD!
XR
La inobservancia de las instrucciones de
ADVERTENCIA puede ser causa de lesiones
graves o mortalespara el usuario de la
máquina, las personas situadas en sus pro-
ximidades o los técnicos encargados de su
inspección o reparación.
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Page 10 of 444
cC
A CAUTION indicates special precautions
that must be taken to avoid damage to the
machine.
NOTE:
A NOTE provides key information to make pro-
cedures easier or clearer.
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Page 11 of 444
fF
Un ATTENTION indique les précautions
particulières à prendre pour éviter d’endom-
mager le véhicule.
N.B.:
Un N.B. fournit les renseignements nécessaires
à la clarification et à la simplification des divers
travaux.
yY
Los avisos de ATENCIÓN indican precaucio-
nes especiales que deben adoptarse para
evitar que la máquina sufra daños.
NOTA:
Las NOTAS contienen información importante
para facilitar o aclarar los procedimientos.
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Page 12 of 444
EBU00111
IMPORTANT NOTICE
This ATV is designed and manufactured for use
on UNPAVED surfaces only. It is unsafe to oper-
ate this ATV on any paved surface, paved
street, paved road or motorway.
Please check your local riding laws and regula-
tions before operating this ATV.
EBU10560
YFZ450V
OWNER’S MANUAL
©2005 by Yamaha Motor Co., Ltd.
1st edition, May 2005
All rights reserved. Any reprinting or
unauthorized use without the written
permission of Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan.
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Page 13 of 444

FBU00111
REMARQUE IMPORTANTE
Ce véhicule est conçu et fabriqué pour une utili-
sation sur surfaces NON REVÊTUES unique-
ment. La conduite de ce véhicule sur les surfaces
ou les routes revêtues est dangereuse.
Prendre connaissance des règlements locaux
avant de conduire ce véhicule.
FBU10560
SBU00111
AVISO IMPORTANTE
Este ATV ha sido fabricado y diseñado única-
mente para su utilización en terrenos SIN PAVI-
MENTAR. Por lo tanto, es peligroso, circular con
el ATV por superficies pavimentadas, calles
pavimentadas, carreteras pavimentadas o auto-
pistas pavimentadas.
Se ruega consultar las leyes y reglamentaciones
locales sobre vehículos motorizados antes de
usar el ATV.
SBU10560
YFZ450V
MANUAL DEL PROPIETARIO
©2005 por Yamaha Motor Co., Ltd.
1
aedición, Mayo 2005
Reservados todos los derechos. Queda
expresamente prohibida cualquier reimpre-
sión o uso no autorizado sin el consenti-
miento escrito de Yamaha Motor Co., Ltd.
Impreso en Japón.
YFZ450V
MANUEL DU PROPRIÉTAIRE
© 2005 par Yamaha Motor Co., Ltd.
1ère édition, Mai 2005
Tous droits réservés. Toute réimpression ou
utilisation non autorisée sans la permission
écrite de la Yamaha Motor Co., Ltd.
est formellement interdite.
Imprimé au Japon.
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LOCATION OF THE WARNING AND
SPECIFICATION LABELS ..................1-1
SAFETY INFORMATION ..................... 2-1
DESCRIPTION AND MACHINE
IDENTIFICATION ............................... 3-1
Identification number records ............. 3-3
Key identification number ................... 3-5
Vehicle identification number ............. 3-5
Model label ......................................... 3-7
CONTROL FUNCTIONS ...................... 4-1
Main switch ......................................... 4-1
Indicator and warning lights ................ 4-3
Handlebar switches ............................ 4-7
Throttle lever .................................... 4-11
Speed limiter .................................... 4-13
Clutch lever ...................................... 4-15
Brake lever ....................................... 4-17Brake pedal ...................................... 4-17
Parking brake lever .......................... 4-19
Shift pedal ........................................ 4-21
Fuel tank cap .................................... 4-21
Fuel cock .......................................... 4-23
Starter (choke) ................................... 4-25
Seat .................................................. 4-27
Front shock absorber adjustment ..... 4-29
Rear shock absorber adjustment ..... 4-39
PRE-OPERATION CHECKS ................ 5-1
Front and rear brakes ......................... 5-7
Fuel .................................................. 5-13
Engine oil .......................................... 5-17
Coolant ............................................. 5-19
Chain ................................................ 5-21
Throttle lever .................................... 5-21
Tires ................................................. 5-23
How to measure tire pressure .......... 5-27
Tire wear limit ................................... 5-29
Fittings and fasteners ....................... 5-29
EBU00150
CONTENTS
1
2
3
4
5
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Lights ................................................ 5-29
Switches ........................................... 5-29
OPERATION ........................................ 6-1
Starting a cold engine ......................... 6-3
Starting a warm engine ...................... 6-9
Warming up ........................................ 6-9
Shifting ............................................. 6-11
To start out and accelerate ............... 6-13
To decelerate ................................... 6-17
Engine break-in ................................ 6-19
Parking ............................................. 6-23
Parking on a slope ............................ 6-25
Accessories and loading .................. 6-29
RIDING YOUR ATV .............................. 7-1
GETTING TO KNOW YOUR ATV ...... 7-3
RIDE WITH CARE AND GOOD
JUDGEMENT ................................... 7-5
BE CAREFUL WHERE YOU RIDE ... 7-27
TURNING YOUR ATV ...................... 7-41CLIMBING UPHILL .......................... 7-47
RIDING DOWNHILL ......................... 7-57
CROSSING A SLOPE .......................7-61
CROSSING THROUGH SHALLOW
WATER .......................................... 7-65
RIDING OVER ROUGH TERRAIN ....7-69
SLIDING AND SKIDDING .................7-71
WHAT TO DO IF ... ...........................7-75
WHAT TO DO ... .............................. 7-75
PERIODIC MAINTENANCE AND
ADJUSTMENT ................................... 8-1
Owner’s manual and tool kit ............... 8-3
PERIODIC MAINTENANCE/
LUBRICATION .................................. 8-7
Panel removal and installation ......... 8-19
Engine oil and oil filter element ........ 8-25
Cooling system ................................. 8-43
Changing the coolant ....................... 8-47
Spark plug inspection ....................... 8-55
Air filter element cleaning ................. 8-67
6
7
8
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Carburetor adjustment ...................... 8-75
Idle speed adjustment ...................... 8-77
Valve clearance adjustment ............. 8-77
Throttle lever adjustment .................. 8-79
Front brake pad inspection ............... 8-81
Rear brake pad inspection ............... 8-83
Brake fluid level inspection ............... 8-85
Brake fluid replacement .................... 8-91
Front brake lever free play ............... 8-93
Brake pedal height adjustment ......... 8-95
Parking brake adjustment ................. 8-97
Adjusting the rear brake light switch.... 8-101
Clutch lever free play adjustment .... 8-103
Drive chain slack check .................. 8-105
Adjusting the drive chain slack ....... 8-107
Lubricating the drive chain ............. 8-111
Cable inspection and lubrication .... 8-115
Brake pedal, brake lever and
clutch lever lubrication .................. 8-117
Front upper and lower arm pivot
lubrication ..................................... 8-121Rear arm pivot lubrication .............. 8-123
Wheel removal ............................... 8-125
Wheel installation ........................... 8-127
Battery ............................................ 8-129
Battery maintenance ...................... 8-133
Fuse replacement ........................... 8-135
Replacing a headlight bulb ............. 8-137
Headlight beam adjustment ............ 8-143
Tail/brake light ................................ 8-143
Troubleshooting .............................. 8-145
Troubleshooting chart ..................... 8-149
CLEANING AND STORAGE ................ 9-1
A. CLEANING ..................................... 9-1
B. STORAGE ..................................... 9-7
SPECIFICATIONS .............................. 10-1
Conversion table ................................. 11-1
9
10
11
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