Submerged motor – HONDA Outdoor Motor BF90D User Manual
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SUBMERGED MOTOR
TAKING CARE OF UNEXPECTED PROBLEMS
Running the outboard motor without
suf f icient cooling water will damage
the water pump and overheat the
engine.
If you are changing the oil filter
while the outboard motor is out of
the water, use commercially available
Ear-muffs and water hose to supply
water.
Attempt to start the engine (be sure
the water level is at least 2 inches
above the antiventilation plate).
Change the engine oil and oil filter
as described on p.
. If
there was water in the engine
crankcase, or if the used engine oil
showed signs of water
contamination, then a second
engine oil change should be
performed after running the engine
for half an hour.
Remove the spark plugs (p.
Operate the starter to expel water
from the engine’s cylinder.
A submerged outboard motor must
be serviced immediately after it is
recovered from the water in order to
minimize corrosion.
If there is a Honda Marine dealership
nearby, take the motor to the dealer
immediately. If you are far from a
dealer, proceed as follows:
Remove the engine cover, and
rinse the outboard motor with
fresh water to remove salt water,
sand, mud, etc.
Drain the vapor separator as
described on p.
Pour a teaspoon (p.
) of engine
oil into each spark plug hole to
lubricate the inside of the cylinders.
Reinstall the spark plugs.
If the engine was running when it
submerged, there may be
mechanical damage, such as bent
connecting rods. If the engine
binds when cranked, do not
attempt to run the engine until it
has been repaired.
6.
3.
4.
5.
1.
2.
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