2003 YAMAHA WR 250F fuel

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Page 6 of 860

YAMAHA WR 250F 2003  Owners Manual IMPORTANT NOTICE
THIS MACHINE IS DESIGNED
STRICTLY FOR COMPETITION
USE, ONLY ON A CLOSED
COURSE. It is illegal for this machine
to be operated on any public street,
road, or highway. Off-road use on
p

Page 8 of 860

YAMAHA WR 250F 2003  Owners Manual 6. GASOLINE CAN CAUSE
INJURY.
If you should swallow some
gasoline, inhale excess
gasoline vapors, or allow
any gasoline to get into
your eyes, contact a doctor
immediately. If any gaso-
line spills on

Page 10 of 860

YAMAHA WR 250F 2003  Owners Manual EC050000
TO THE NEW OWNER
This manual will provide you with a
good basic understanding of fea-
tures, operation, and basic mainte-
nance and inspection items of this
machine. Please read this manual
c

Page 20 of 860

YAMAHA WR 250F 2003  Owners Manual E0A0000
CONTENTS
CHAPTER 1
GENERAL 
INFORMATION
DESCRIPTION............................ 1-1
MACHINE IDENTIFICATION...... 1-3
IMPORTANT INFORMATION..... 1-5
CHECKING OF CONNECTION... 1-9
SPECIAL TOOLS.

Page 22 of 860

YAMAHA WR 250F 2003  Owners Manual CHAPTER 4
ENGINE
SEAT, FUEL TANK AND SIDE 
COVERS...................................... 4-1
EXHAUST PIPE AND 
SILENCER................................... 4-7
RADIATOR................................ 4

Page 26 of 860

YAMAHA WR 250F 2003  Owners Manual 1 - 1
GEN
INFODESCRIPTION
EC100000
GENERAL INFORMATION
EC110000
DESCRIPTION
1Clutch lever
2Hot starter lever
3Engine stop switch
4Trip meter
5Main switch
6Light switch
7Start switch
8Front brake lever

Page 56 of 860

YAMAHA WR 250F 2003  Owners Manual 1 - 31
GEN
INFO
FUEL COCK
The fuel cock supplies fuel from the
tank to carburetor and also filters the
fuel. The fuel cock has three posi-
tions:
OFF: With the lever in this position,
fuel will not fl

Page 58 of 860

YAMAHA WR 250F 2003  Owners Manual 1 - 33
GEN
INFO
LIGHT SWITCH
The light switch 
1 is located on the
handlebar.
EC15F000VALVE JOINT 
This valve joint 
1 prevents fuel from
flowing out and is installed to the fuel
tank breather hose.
C
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