Procedure - Yamaha F30 Owner's Manual

the attitude shown when transporting
and storing it. If storing or transporting
the outboard motor on its side (not up-
right), put it on a cushion after draining
the engine oil.
Do not place the outboard motor on its

side before the cooling water has
drained from it completely, otherwise
water may enter the cylinder through
the exhaust port and cause engine trou-
ble.
Store the outboard motor in a dry, well-

ventilated place, not in direct sunlight.
EMU28305

Procedure

EMU28377
Flushing in a test tank
ECM00301
NOTICE
Before starting the engine, make sure to
supply water to the cooling water passag-
es. Otherwise, the engine could overheat
and be damaged.
1. Wash the outboard motor body using
fresh water. NOTICE: Do not spray wa-
ter into the air intake.
ther information, see page 76.
2. Fill the fuel tank with fresh fuel and add
one ounce of "Yamaha Fuel Conditioner
and Stabilizer" to each gallon of fuel.
TIP:
The use of "Yamaha Fuel Conditioner and
Stabilizer" eliminates the need to drain the
fuel system. Consult your Yamaha dealer or
other qualified mechanic if the fuel system is
to be drained instead.
3. Remove the engine top cowling and si-
lencer cover.
4. Install the outboard motor on the test
tank.
For fur-
[ECM01840]
1. Water surface
2. Lowest water level
5. Fill the tank with fresh water to above the
level of the
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.
[ECM00291]
6. Cooling system flushing is essential to
prevent the cooling system from clog-
ging up with salt, sand, or dirt. In addi-
tion, fogging of the engine is mandatory
to prevent excessive engine damage
due to rust. Perform the flushing and
fogging at the same time. WARNING!
Do not touch or remove electrical
parts when starting or during opera-
tion. Keep hands, hair, and clothes
away from the flywheel and other ro-
tating parts while the engine is run-
ning.
[EWM00091]
7. Run the engine at a fast idle for 10–15
minutes in neutral position.
8. Just prior to turning off the engine, quick-
ly spray "Yamaha Stor-Rite Engine
Fogging Oil" alternately into each carbu-
retor or the fogging hole of the silencer
cover, if equipped. When properly done,
the engine will smoke excessively and
Maintenance
1
2
ZMU02051
anti-cavitation plate.
73