Storing Outboard Motor; Procedure - Yamaha 15F Owner's Manual

Maintenance
TIP:
Place a towel or something similar under the
outboard motor to protect it from damage.
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Storing outboard motor

When storing your Yamaha outboard motor
for prolonged periods of time (2 months or
longer), several important procedures must
be performed to prevent excessive damage.
It is advisable to have your outboard motor
serviced by an authorized Yamaha dealer pri-
or to storage. However, you, the owner, with
a minimum of tools, can perform the follow-
ing procedures.
ECM01412
NOTICE
 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 trouble.
 Store the outboard motor in a dry, well-
ventilated place, not in direct sunlight.
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Procedure

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Flushing in a test tank
ECM00302
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.
information, see page 38.
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.
37
For further
[ECM01841]
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.
[ECM00292]
1. Water surface
2. Lowest water level
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 of the engine is
mandatory to prevent excessive engine
damage due to rust. Perform the flushing
and fogging
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.
[EWM00092]
6. Run the engine at a fast idle for a few mi-
nutes in neutral position.
7. Just prior to turning off the engine, quick-
ly spray "Fogging Oil" alternately into
each carburetor or the fogging hole of
the silencer cover, if equipped. When
properly done, the engine will smoke ex-
cessively and almost stall.
1
2
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at the same time.