Procedure - Yamaha F100D Owner's Manual

Maintenance
 Store the outboard motor in a dry, well-
ventilated place, not in direct sunlight.
 Drain the remaining gasoline from the
vapor separator. Gasoline left in the va-
por separator for a prolonged period of
time will break down and could cause
damage to the fuel line.
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Procedure

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Flushing with the flushing attachment
1. Wash the outboard motor body using
fresh water. NOTICE: Do not spray wa-
ter into the air intake.
information, see page 64.
2. Disconnect the fuel line from the motor
or shut off the fuel cock, if equipped.
3. Remove the top cowling and propeller.
4. Install the flushing attachment over the
cooling water inlet. NOTICE: Do not run
the engine without supplying it with
cooling water. Either the engine water
pump will be damaged or the engine
will be damaged from overheating.
Before starting the engine, be sure to
supply water to the cooling water pas-
sages. Avoid running the outboard
motor at high speed while on the
flushing attachment, otherwise over-
heating could occur.
62
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For further
[ECM01841]
[ECM02001]
1. Flushing attachment
5. 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
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
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 and a steady
water flow.
 If the overheat alert device is activated, turn
the engine off, and consult your Yamaha
dealer.
6. Run the engine at a fast idle for a few
minutes in neutral position.
7. Just prior to turning off the engine, quick-
ly spray "Fogging Oil" alternately into the
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.
at the same time.