Procedure - Yamaha F15C Owner's Manual

Maintenance
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.
EMU28303

Procedure

EMU32044
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 en-
gine will be damaged from overheating.
Before starting the engine, be sure to
supply water to the cooling water passag-
es.
1. Dismount the outboard motor from the
boat. For further details, see page 62.
2. Wash the outboard motor body using
fresh water. NOTICE: Do not spray wa-
ter into the air intake.
ther information, see page 66.
3. 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.
4. Disconnect the fuel line from the out-
board motor.
5. Remove the engine top cowling and si-
64
6.
7.
8.
For fur-
[ECM01840]
9.
10. Just prior to turning off the engine, quick-
lencer cover. Remove the propeller. For
further details, see page 76.
Position the outboard motor on a water
tank. For further details, see page 36.
1. Water surface
2. Lowest water level
Fill the tank with fresh water to above the
level of the anti-cavitation plate. NO-
TICE: If the fresh water level is below
the level of the anti-cavitation plate,
or if the water supply is insufficient,
engine seizure may occur.
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]
Run the engine at a fast idle for 10–15
minutes in neutral position.
ly spray "Yamaha Stor-Rite Engine
Fogging Oil" alternately into each carbu-
1
2
ZMU02051
[ECM00291]