Maintenance
52
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.
EMU28303
Procedure
EMU32021
Flushing in a test tank
CAUTION:
ECM00300
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 50.
2.
Wash the outboard motor body using
fresh water. For further information, see
page 55.
3.
Disconnect the fuel line from the out-
board motor.
4.
Remove the engine top cowling and si-
lencer cover. Remove the propeller. For
further details, see page 68.
5.
Position the outboard motor on a water
tank. For further details, see page 25.
6.
Fill the tank with fresh water until the
anti-cavitation plate is immersed in wa-
ter.
CAUTION:
ECM00290
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.
7.
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 flush-
ing and fogging at the same time.
WARNING
EWM00090
●
Do not touch or remove electrical parts
when starting or during operation.
●
Keep hands, hair, and clothes away
from the flywheel and other rotating
parts while the engine is running.
8.
Run the engine at a fast idle for a few
minutes in neutral position.
9.
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-
1. Water surface
2. Lowest water level
ZMU02051
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