Yamaha YZ250F(W) Owner's Service Manual page 62

STARTING AND BREAK-IN
STARTING A WARM ENGINE
Do not operate the cold starter knob and throt-
tle. Pull the hot starter lever 1 and start the
engine by kicking the kickstarter crank force-
fully with a firm stroke.
As soon as the engine starts, Release the hot
starter lever to close the air passage.
Restarting an engine after a fall
Pull the hot starter lever and start the engine.
As soon as the engine starts, Release the hot
starter lever to close the air passage.
The engine fails to start
Pull the hot starter lever all the way out and
while holding the lever, kick the kickstarter
crank 10 to 20 times to clear the engine.
Then, restart the engine.
Refer to "Restarting an engine after a fall".
Air temperature = less than
5 °C (41 °F)
Air temperature = more
than 5 °C (41 °F)
Air temperature (normal tem-
perature) = between 5 °C
(41 °F) and 25 °C (77 °F)
Air temperature = more
than 25 °C (77 °F)
Starting an engine after a long
period of time
Restarting a warm engine
Restarting an engine after a fall
* Operate the throttle grip before kick starting.
CAUTION:
Observe the following break-in procedures
during initial operation to ensure optimum
performance and avoid engine damage.
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GEN
INFO
Throttle Cold Hot
grip oper- starter starter
ation* knob lever
Open 3
ON OFF
or 4 times
None ON OFF
None ON/OFF OFF
None OFF OFF
None ON OFF
None OFF ON
None OFF ON