Yamaha Wr250r 2008 Manual

 
SERVICE MANUAL 
WR250RX(C) 
2008 
32C-28197-10 
WR250XX(C) 
LIT-11616-21-66 

 
EAS20050 
WR250RX(C)/WR250XX(C)
SERVICE MANUAL
©2008 by Yamaha Motor Corporation, U.S.A.
First edition, December 2007
All rights reserved.
Any reproduction or unauthorized use 
without the written permission of 
Yamaha Motor Corporation, U.S.A. 
is expressly prohibited.
Printed in U.S.A.
P/N LIT-11616-21-66 

 
NOTICE 
1-1 
EAS20070 
NOTICE 
This manual was produced by the Yamaha Motor Company, Ltd. primarily for use by Yamaha dealers
and their qualified mechanics. It is not possible to include all the knowledge of a mechanic in one man-
ual. Therefore, anyone who uses this book to perform maintenance and repairs on Yamaha vehicles
should have a basic understanding of mechanics and the techniques to repair these types of vehicles.
Repair and maintenance work attempted by anyone without this knowledge is...

 
HOW TO USE THIS MANUAL 
1-2 
EAS20090 
HOW TO USE THIS MANUAL 
This manual is intended as a handy, easy-to-read reference book for the mechanic. Comprehensive
explanations of all installation, removal, disassembly, assembly, repair and check procedures are laid
out with the individual steps in sequential order. 
 
The manual is divided into chapters and each chapter is divided into sections. The current section title
is shown at the top of each page “1”. 
 
Sub-section titles appear in smaller print...

 
SYMBOLS 
1-3 
EAS20100 
SYMBOLS 
The following symbols are used in this manual
for easier understanding.
NOTE:
 
The following symbols are not relevant to every 
vehicle.
G
M
E
BLS
M
910
11 12
13 14
15 16
17 18
LTNew
BF
S
T R..
123
456
78
 
1.  Serviceable with engine mounted
2. Filling fluid
3. Lubricant
4. Special tool
5. Tightening torque
6.  Wear limit, clearance
7. Engine speed
8. Electrical data
9. Engine oil
10. Gear oil
11. Molybdenum-disulfide oil
12. Brake fluid
13. Wheel-bearing grease
14....

 
  
GENERAL INFORMATION 
1 
SPECIFICATIONS 
2 
PERIODIC CHECKS AND
ADJUSTMENTS 
3 
CHASSIS 
4 
ENGINE 
5 
COOLING SYSTEM 
6 
FUEL SYSTEM 
7 
ELECTRICAL SYSTEM 
8 
TROUBLESHOOTING 
9 
EAS20110 
TABLE OF CONTENTS 

 
1
2
3
4
5
6
7
8
9
 
GENERAL INFORMATION 
IDENTIFICATION ...........................................................................................1-1 
VEHICLE IDENTIFICATION NUMBER ....................................................1-1
MODEL LABEL ........................................................................................1-1 
FEATURES ....................................................................................................1-2 
OUTLINE OF THE FI...

 
IDENTIFICATION 
1-1 
EAS20130 
IDENTIFICATION 
EAS20140 
VEHICLE IDENTIFICATION NUMBER 
The vehicle identification number “1” is stamped
into the right side of the steering head pipe. 
EAS20150 
MODEL LABEL 
The model label “1” is affixed to the frame. This
information will be needed to order spare parts.
1
1