INSPECTION AND MAINTENANCE 49
9
When the motor is out of the water,
being transported, or in storage, always
remove the negative (-) battery cable to
prevent accidental starting of the
engine. Accidental starting when the
motor is out of the water will cause
water pump failure, overheating and
damage to the engine due to a lack of
cooling water.
DO NOT disconnect the electrical har-
ness when operating the motor. This
model will continue to run and can be
started with the electrical harness dis-
connected. Remove all spark plug con-
nectors from the spark plugs when
servicing the engine or propeller.
When your outboard motor is in storage,
this is a good opportunity to have it ser-
viced or overhauled by your dealer.
Engine
1
Wash the engine exterior and flush the
cooling water system thoroughly with
fresh water. Let the water drain com-
pletely.
Wipe off any surface water with an oily
rag.
2
Drain all fuel from the fuel pipes, fuel
pump and carburetor, and clean these
parts. To prevent corrosion of the fuel
tank, fill it up with engine oil-rich gaso-
line.
Keep in mind that if gasoline is kept in
the carburetor for a long time, gum and
varnish will begenerated, causing the
float valve to stick.
3
Remove the spark plugs and feed genu-
ine engine oil or storage fogging oil
through the spark plug holes.
The oil will be fed into the crank case
from the air silencer attached to the car-
buretors. Turn the engine over several
times while feeding the oil into it and
make sure it is evenly distributed.
4
Apply grease to the propeller shaft.
5
Change the gear oil in the gear case.
6
Apply grease to all sliding parts, joints,
nuts, and bolts.
7
Use a dry cloth to completely wipe off
water and salt from the electrical com-
ponents.
8
Remove the fuel connector from the
engine.
9
Stand the outboard motor up vertically
in a dry place.
Be sure to use cloth to remove fuel remain-
ing in the cowl and dispose of it in accor-
dance with local fire prevention and
environment protection regulations.
3. Off-season storage
MWX50D2_E.book Page 49 Thursday, August 18, 2011 5:29 PM
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