Yamaha F8F Owner's Manual page 67

(2) Wash the outboard motor body using
fresh water. NOTICE: Do not spray wa-
ter into the air intake.
information, see page 63.
(3) Disconnect the fuel line from the out-
board motor.
(4) Remove the top cowling and silencer
cover/cap, if equipped. Remove the pro-
peller. For further details, see page 73.
(5) Position the outboard motor on a water
tank. For further details, see page 30.
(6) Fill the tank with fresh water until the anti-
cavitation plate is immersed in water.
NOTICE: If the fresh water level is be-
low the level of the anti-cavitation
plate, or if the water supply is insuffi-
cient, engine seizure may occur.
[ECM00292]
1. Water surface
2. Lowest water level
(7) Cooling system flushing is essential to
prevent the cooling system from clog-
ging up with salt, sand, or dirt. In addi-
tion, fogging/lubricating of the engine is
mandatory 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
For further
[ECM01841]
1
2
ZMU02051
at the same
clothes away from the flywheel and
other rotating parts while the engine is
running.
(8) Run the engine at a fast idle for a few
minutes in neutral position.
(9) Just prior to turning off the engine, quick-
ly spray "Fogging Oil" alternately into
each carburetor or the fogging hole of
the silencer cover, if equipped. When
properly done, the engine will smoke ex-
cessively and almost stall.
(10) Remove the outboard motor from the
test tank.
(11) Install the silencer cover/cap of fogging
hole (if equipped) and top cowling.
(12) If the "Fogging Oil" is not available, run
the engine at a fast idle until the fuel sys-
tem becomes empty and the engine
stops.
(13) Drain the cooling water completely out of
the motor. Clean the body thoroughly.
(14) If the "Fogging Oil" is not available, re-
move the spark plug(s). Pour a tea-
spoonful of clean engine oil into each
cylinder. Crank several times manually.
Replace the spark plug(s).
time.
(15) Drain the fuel from the fuel tank.
(16) Store the fuel tank in a dry, well-ventilat-
ed place, not in direct sunlight.
Maintenance
[EWM00092]
ZMU07891
61