2017 YAMAHA WR 250F Owners Manual

Page 17 of 432

YAMAHA WR 250F 2017  Owners Manual LOCATION OF IMPORTANT LABELS
1-3
AUS, NZL, ZAF

Page 18 of 432

YAMAHA WR 250F 2017  Owners Manual DESCRIPTION
1-4
EAS2GBB009
DESCRIPTION
TIP
Designs and specifications of the vehicle are subject to change without notice. Therefore, please 
note that the descriptions in this manual may be different

Page 19 of 432

YAMAHA WR 250F 2017  Owners Manual IDENTIFICATION
1-5
EAS2GBB010
IDENTIFICATION
There are two significant reasons for knowing 
the serial number of your vehicle:
1. When ordering parts, you can give the num-
ber to your Yamaha dealer f

Page 20 of 432

YAMAHA WR 250F 2017  Owners Manual INCLUDED PARTS
1-6
EAS2GBB014
INCLUDED PARTS
EAS2GBB015SPARK PLUG WRENCH
The spark plug wrench “1” is used to remove or 
install the spark plug.
EAS2GBB016NIPPLE WRENCH
The nipple wrench “1” i

Page 21 of 432

YAMAHA WR 250F 2017  Owners Manual IMPORTANT INFORMATION
1-7
EAS20180
IMPORTANT INFORMATION
EAS2GBB020PREPARATION FOR REMOVAL AND DIS-
ASSEMBLY
1. Before the jobs, completely remove mud, 
dust, and the like in order to prevent the en-

Page 22 of 432

YAMAHA WR 250F 2017  Owners Manual IMPORTANT INFORMATION
1-8
EAS2GBB022GASKETS, OIL SEALS AND O-RINGS
1. When overhauling the engine, replace all 
gaskets and O-rings. All gasket surfaces, oil 
seal lips, and O-rings must be cleaned so

Page 23 of 432

YAMAHA WR 250F 2017  Owners Manual BASIC SERVICE INFORMATION
1-9
EAS2GBB026
BASIC SERVICE INFORMATION
EAS2GBB027ELECTRICAL SYSTEM
Electrical parts handling
ECA
NOTICE
Never disconnect a battery lead while the 
engine is running; otherw

Page 24 of 432

YAMAHA WR 250F 2017  Owners Manual BASIC SERVICE INFORMATION
1-10
ECA
NOTICE
Handle electrical components with special 
care, and do not subject them to strong 
shocks.
ECA
NOTICE
Electrical components are very sensitive to 
and can be
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