Yamaha WR250F(N) Owner's Service Manual page 56

CONTROL FUNCTIONS/FUEL
EC15F000
VALVE JOINT
This valve joint 1 prevents fuel from flowing
out and is installed to the fuel tank breather
hose.
CAUTION:
In this installation, make sure the arrow
faces the fuel tank and also downward.
LIGHTS SWITCH
The lights switch 1 is located on the handle-
bar.
FLAP
In order to prevent water from entering the car-
buretor while the motorcycle is operated in the
rain, attach the accessory flap 1 to the frame
at the rear of the fuel tank.
NOTE:
Riding with the flap attached when it is not
raining can help keep out dust, dirt and sand.
FUEL
Always use the recommended fuel as stated
below. Also, be sure to use new gasoline the
day of a race.
NOTE:
Except for AUS:
1. If knocking or pinging occurs, use a dif-
2. If unleaded gasoline is not available, then
1 - 13
Recommended fuel:
Except for AUS:
Premium unleaded fuel with a
research octane number of 95
or higher.
For AUS:
Unleaded fuel only
ferent brand of gasoline or higher octane
grade.
leaded gasoline can be used.
GEN
INFO