Storing Outboard Motor; Procedure - Yamaha F25D Owner's Manual

TIP:
Place a towel or something similar under the
outboard motor to protect it from damage.
EMU28242

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
prior to storage. However, you, the owner,
with a minimum of tools, can perform the fol-
lowing procedures.
ECM01081
NOTICE
To prevent problems which can be

caused by oil entering the cylinder from
the sump, keep the outboard motor in
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.
EMU28306

Procedure

EMU38871
Flushing in a test tank
ECM02131
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.
Cooling system flushing is essential to pre-
vent the cooling system from clogging up
with salt, sand, or dirt. In addition, fogging/lu-
bricating of the engine is mandatory to pre-
vent excessive engine damage due to rust.
Perform the flushing and fogging at the same
time.
1. Wash the outboard motor body using
fresh water. NOTICE: Do not spray wa-
ter into the air intake.
ther information, see page 60.
2. Disconnect the fuel line from the out-
board motor.
3. Remove the engine top cowling and pro-
peller. For further details, see page 71.
4. Install the outboard motor on a water
tank. Fill the tank with fresh water until
the anti-cavitation plate is immersed in
water. NOTICE: If the fresh water level
is below the level of the anti-cavita-
tion plate, or if the water supply is in-
Maintenance
ZMU03659
For fur-
[ECM01841]
57