Yamaha F115A Owner's Manual page 88

Maintenance
3. Cooling system flushing is essential to
prevent the cooling system from clog-
ging up with salt, sand, or dirt. In addi-
tion, fogging/lubricating the engine is
necessary to prevent excessive engine
damage due to rust. Perform the flushing
and fogging
WARNING! Do not touch or remove
electrical parts when starting or dur-
ing operation. Keep hands, hair, and
clothes away from the flywheel and
other rotating parts while the engine is
running.
[EWM00092]
TIP:
 When using the flushing attachment, main-
tain adequate water pressure so that there
is a steady flow of water from the cooling
water pilot hole.
 A flushing attachment is available from
your Yamaha dealer.
 If the overheat alert device is activated, turn
the engine off, and consult your Yamaha
dealer.
4. Run the engine at a fast idle for a few
minutes in neutral position. WARNING!
Attach the engine shut-off cord to a
secure place on your clothing, or your
arm or leg while operating.Do not at-
tach the cord to clothing that could
tear loose. Do not route the cord
where it could become entangled,
preventing it from functioning.
NOTICE: Never turn the main switch
to " " (start) while 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 mak-
ing it impossible to start the engine.
The starter can also be damaged. If
81
at the same
[EWM01473]
the engine will not start after 5 sec-
onds of cranking, return the main
switch to "
then crank the engine again.
5. Just prior to turning off the engine, quick-
ly spray "Fogging Oil" alternately into the
time. intake silencer or the fogging hole of the
silencer cover, if equipped. When prop-
erly done, the engine will smoke exces-
sively and almost stall.
TIP:
If "Fogging Oil" is not available, turn off the
engine. Remove the spark plug(s). Pour a tea-
spoonful of clean engine oil into each cylin-
der. Crank the engine several times manually.
Reinstall the spark plug(s).
6. Remove the flushing attachment.
EMU43542
Draining the gasoline from the vapor sep-
arator
F115A, FL115A, F115A1, FL115A1
Gasoline in the vapor separator must be
drained before storing the outboard motor.
Have a Yamaha dealer drain the gasoline
from the vapor separator.
F150A, FL150A, F150A2, FL150A2, F150B
TIP:
This procedure is performed while the top
cowling is removed.
Drain the remaining gasoline in the vapor
separator into a container. Loosen the drain
screw, and then remove the cap. Push in the
air valve with a screwdriver to introduce air
into the float chamber, so that the gasoline
will drain smoothly. Then, tighten the drain
screw.
" (on), wait 10 seconds,
[ECM00193]