Page 1 of 174
DIC183
YFM45KDXL/YFM45KPAL
YFM450FWB/YFM450FWBD
OWNER’S MANUAL
MANUEL DU PROPRIÉTAIRE MANUAL DEL PROPIETARIO
BB5-F8199-62
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.
Page 2 of 174
DIC183
Original instructionsNotice originaleManual original
PRINTED IN USA
2019.03-0.8×1 CR (E,F,S)
Page 3 of 174
READ THIS MANUAL CAREFULLY!
It contains important safety information.
WARNING
OWNER’S MANUAL
YFM45KDXL/YFM45KPAL
YFM450FWB/YFM450FWBD
This ATV should not be ridden by anyone under 16 years of age.
BB5-F8199-62-E0
UBB562E0.book Page 1 Thursday, March 14, 2019 9:59 AM
Page 4 of 174

EBU37042
Read this manual carefully before operating this vehicle. This manual should stay with this ve-
hicle if it is sold.
EN15997, ANSI/SVIA 1-2017
General Manager
Recreational Vehicle Development Division
PF Model Development Section
PF Model Unit
YAMAHA MOTOR CO., LTD.
23 January,
2019
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 EEC2014/30/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.YFM450FWBD :B5R1 (5Y4AJ82W0500101–)
:B5R2 (5Y4AJ83W0500101–)
:B5R3 (5Y4AJ84W0500101–)
:BB5M (5Y4AJ85W0500101–)
YFM450FWB :BJ5D (5Y4AJ86W0500101–)
:BJ5E (5Y4AJ87W0500101–)
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EBU17171
INTRODUCTION
EBU38511Congratulations on your purchase of the Yamaha YFM45KDXL / YFM45KPAL / YFM450FWB /
YFM450FWBD. 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.
For models equipped with a winch: Read the Basic Guide to Winching Techniques manual carefully and
completely before operating the winch. 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.UBB562E0.book Page 1 Thursday, March 14, 2019 9:59 AM
Page 6 of 174
EBU17331
IMPORTANT MANUAL INFORMATION
EBU17344FAILURE 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:TIPProduct and specifications are subject to change without notice.
The ATV you have purchased may differ slightly from the figures shown in this manual.
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
NOTICETIPUBB562E0.book Page 1 Thursday, March 14, 2019 9:59 AM
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EBU17351
IMPORTANT NOTICE
EBU17373This 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.
EBU17411YFM45KDXL / YFM45KPAL / YFM450FWB / YFM450FWBD
OWNER’S MANUAL
©2020 by Yamaha Motor Co., Ltd. 1st edition, March 2019All rights reserved.
Any reprinting or unauthorized use without the written permission of Yamaha Motor Co., Ltd.
is expressly prohibited. Printed in U.S.A.
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EBU17421
TABLE OF CONTENTS
LOCATION OF THE WARNING AND
SPECIFICATION LABELS .............................. 1-1
SAFETY INFORMATION ................................ 2-1
DESCRIPTION................................................ 3-1Left 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 .............. 4-1
Display unit ................................................. 4-4
Handlebar switches .................................... 4-7
Throttle lever ............................................. 4-13
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............................................. 4-16
Fuel ........................................................... 4-17
Seat ........................................................... 4-18 Storage compartment............................... 4-19
Front carrier .............................................. 4-20
Rear carrier ............................................... 4-20
Front and rear shock absorbers .............. 4-20
Winch (for Europe) .................................... 4-22
Trailer hitch (equipped models) ................ 4-23
Auxiliary DC jack....................................... 4-24
Winch pre-wiring (for Oceania) ................. 4-25
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 the engine ..................................... 6-1UBB562E0.book Page 1 Thursday, March 14, 2019 9:59 AM