Yamaha F30B Owner's Manual page 70

Maintenance
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.
11. Drain the cooling water completely out of
the motor. Clean the body thoroughly.
12. 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).
13. Drain the fuel from the fuel tank.
TIP:
Store the fuel tank in a dry, well-ventilated
place, not in direct sunlight.
EMU29955
Flushing with the flushing attachment
1. Wash the outboard motor body using
fresh water. NOTICE: Do not spray wa-
ter into the air intake.
ther information, see page 66.
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
passages. Avoid running the out-
board motor at high speed while on
the flushing attachment, otherwise
overheating could occur.
64
For fur-
[ECM01840]
[ECM02000]
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 flush-
ing and fogging at the same time.
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.
[EWM00091]
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.
8. Drain the remained gasoline in the vapor