INSTRUMENT AND CONTROL FUNCTIONS
1-10
in this position.
EAM30537
FUEL COCK (for YZ250X)
The fuel cock supplies fuel from the tank to car-
buretor and also filters the fuel. The fuel cock
has the three positions:
OFF:
With the lever in this position, fuel will not flow.
Always return the lever to this position when the
engine is not running.
ON:
With the lever in this position, fuel flows to the
carburetor. Normal riding is done with the lever
in this position.
RES:
With the lever in this position fuel flows to the
carburetor from the reserve section of the fuel
tank after the main supply of the fuel has been
depleted. Normal riding is possible with the lever
is in this position, but it is recommended to add
fuel as soon as possible.
EAM30444
STARTER KNOB (CHOKE)
When cold, the engine requires a richer air-fuel
mixture for starting. A separate starter circuit,
which is controlled by the starter knob “1”, sup-
plies this mixture. Pull the starter knob out to
open the circuit for starting. When the engine
has warmed up, push it in to close the circuit.
EAM30190
SIDESTAND (for YZ250X)
This sidestand “1” is used to support only the
machine when standing or transporting it.
WARNING
EWA18980
• Never apply additional force to the sides-
tand.
• Hold up the sidestand before starting out.
Summary of Contents for YZ250 2021
Page 5: ...EAM20162 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY ...
Page 6: ......
Page 8: ......
Page 10: ...MOTORCYCLE CARE AND STORAGE 1 16 CARE 1 16 STORAGE 1 17 ...
Page 42: ...TIGHTENING TORQUES 2 13 ...
Page 70: ...CHASSIS 3 26 ...
Page 106: ...CHAIN DRIVE 4 34 ...
Page 112: ...CLUTCH 5 5 ...
Page 113: ...1 2 3 4 5 6 7 8 9 10 ELECTRICAL SYSTEM WIRING DIAGRAM 6 1 COLOR CODE 6 1 ...
Page 128: ...TROUBLESHOOTING 7 13 ...
Page 146: ...CHASSIS 8 17 ...