Checks After Starting Engine; Cooling Water; Warming Up Engine; Electric Start Models - Yamaha F100D Owner's Manual

6. Immediately after the engine starts, re-
lease the main switch and allow it to re-
" (on). NOTICE: Never turn
turn to "
the main switch to "
the engine is running. Do not keep the
starter motor turning for more than 5
seconds. If the starter motor is turned
continuously for more than 5 seconds,
the battery will be quickly discharged,
thus making it impossible to start the
engine. The starter can also be dam-
aged. If the engine will not start after 5
seconds of cranking, return the main
switch to "
then crank the engine again.
TIP:
 When the engine is cold, it needs to be
warmed up. For further information, see
page 51.
 If the engine is warm and fails to start, open
the throttle slightly and try to start the en-
gine again. If the engine still fails to start,
see page 79.
EMU36511

Checks after starting engine

EMU36524

Cooling water

Check for a steady flow of water from the
cooling water pilot hole. A continuous flow of
water from the pilot hole indicates that the
water pump is pumping water through the
" (start) while
" (on), wait 10 seconds,
[ECM00193]
cooling water passages. If the cooling water
passages are frozen, it may take a while for
water to start flowing out of the pilot hole.
ECM01811
NOTICE
If water is not flowing out of the pilot hole
at all times while the engine is running,
overheating and serious damage could
occur. Stop the engine and check whether
the cooling water inlet on the lower case
or the cooling water pilot hole is blocked.
Consult your Yamaha dealer if the prob-
lem cannot be located and corrected.
EMU27671

Warming up engine

EMU30038

Electric start models

1. After starting the engine, allow it to idle
for 3 minutes to warm up to provide max-
imum operating performance and accel-
eration. Failure to do so will shorten
engine life.
2. Be sure the low oil pressure-alert indica-
tor remains off after starting the engine.
NOTICE: If the low oil pressure-alert
indicator blinks after the engine starts,
stop the engine. Otherwise, serious
engine damage could occur. Check
the oil level and add engine oil if nec-
Operation
51