Procedure - Yamaha 9.9F Owner's Manual

ECM01411
NOTICE
Do not place the outboard motor on its
G
side before the cooling water has
drained from it completely, otherwise
water may enter the cylinder through the
exhaust port and cause engine trouble.
Store the outboard motor in a dry, well-
G
ventilated place, not in direct sunlight.
EMU28303

Procedure

EMU28334
Flushing in a test tank
ECM00300
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 wa-
ter to the cooling water passages.
1. Wash the outboard motor body using
fresh water. NOTICE: Do not spray wa-
ter into the air intake.
information, see page 39.
2. Disconnect the fuel line from the motor or
shut off the fuel cock, if equipped.
3. Remove the engine top cowling and si-
lencer cover. Remove the propeller.
4. Install the outboard motor on the test
tank. Fill the tank with fresh water to
above the level of the anti-cavitation
plate. NOTICE: If the fresh water level
is below the level of the anti-cavitation
plate, or if the water supply is insuffi-
cient, engine seizure may occur.
[ECM00291]
For further
[ECM01840]
1. Water surface
2. Lowest water level
5. Cooling system flushing is essential to
prevent the cooling system from clogging
up with salt, sand, or dirt. In addition, fog-
ging/lubricating of the engine is mandato-
ry to prevent excessive engine damage
due to rust. Perform the flushing and fog-
ging at the same time. WARNING! Do
not touch or remove electrical parts
when starting or during operation.
Keep hands, hair, and clothes away
from the flywheel and other rotating
parts while the engine is running.
[EWM00091]
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 each
carburetor or the fogging hole of the si-
lencer cover, if equipped. When properly
done, the engine will smoke excessively
and almost stall.
8. Remove the outboard motor from the test
tank.
9. Install the silencer cover/cap of fogging
hole and top cowling.
10. 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.
Maintenance
1
2
ZMU02051
38