Warming Up Engine; Manual Start And Electric Start Models - Yamaha F250 LF250 Owner's Manual

Operation
4. Turn the main switch to "
and hold it for a maximum of 5 seconds.
5. Immediately after the engine starts, re-
lease the main switch to return it to "
(on).
ECM00191
CAUTION:
Never turn the main switch to "
G
(start) while the engine is running.
Do not keep the starter motor turning for
G
more than 5 seconds. If the starter motor
is turned continuously for more than 5
seconds, the battery will be quickly dis-
charged, thus making it impossible to
start the engine. The starter can also be
damaged. If the engine will not start after
5 seconds of cranking, return the main
switch to " " (on), wait 10 seconds,
then crank the engine again.
OFF
33
" (start),
ON
START
ZMU01881
ON
START
EMU27670

Warming up engine

EMU30030

Manual start and electric start models

"
1. After starting the engine, allow it to idle for
3 minutes to warm up. Failure to do so will
shorten engine life.
2. Be sure the low oil pressure warning indi-
"
cator goes off after starting the engine.
3. Check for a steady flow of water from the
cooling water pilot hole.
ECM01340
CAUTION:
If the low oil pressure warning indicator
G
does not go off after the engine starts,
stop the engine. Otherwise serious en-
gine damage could occur. Check the oil
level and add oil if necessary. Consult
your Yamaha dealer if the cause for the
low oil pressure warning indicator can-
not be found.
A continuous flow of water from the pilot
G
hole shows that the water pump is
pumping water through the cooling pas-
sages. If water is not flowing out of the
pilot hole at all times while the engine is
running, overheating and serious dam-
age could occur. Stop the engine and
check whether the cooling water inlet on
the lower case or the cooling water pilot
ZMU04590