Procedure - Yamaha F100D Owner's Manual

Maintenance
Drain the remaining gasoline from the
G
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.
EMU28302

Procedure

EMU29953
Flushing with the flushing attachment
1. Wash the outboard motor body using
fresh water. For further information, see
page 49.
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.
ECM00300
CAUTION:
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 wa-
ter to the cooling water passages.
ECM00310
CAUTION:
Avoid running the outboard motor at high
speed while on the flushing attachment,
otherwise overheating could occur.
46
1. Flushing attachment
5. Cooling system flushing is essential to
prevent the cooling system from clogging
up with salt, sand, or dirt. In addition, fog-
ging/lubricating the engine is mandatory
ZMU03659
to prevent excessive engine damage due
to rust. Perform the flushing and fogging
at the same time.
EWM00090
WARNING
Do not touch or remove electrical parts
G
when starting or during operation.
Keep hands, hair, and clothes away from
G
the flywheel and other rotating parts
while the engine is running.
NOTE:
When using the flushing attachment, main-
G
tain adequate water pressure and a steady
water flow.
If the overheat warning device is activated,
G
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, quickly
spray "Fogging Oil" alternately into the in-
take silencer or the fogging hole of the si-
lencer cover, if equipped. When properly
done, the engine will smoke excessively
and almost stall.