Honda BF5A Owner's Manual page 33

Cleaning and flushing
After each use in salt water or dirty water, thoroughly clean and flush the
outboard motor.
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For safety, the propeller must be removed.
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Be sure the outboard motor is securely mounted, and do not leave it
unattended while running.
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Keep children and pets away from the area, and stay clear of moving
, ;zrrrrgTring this procedure.
Running the engine without water can cause serious engine damage due
to overheating. Be sure that water flows from the water check hole
while the engine is running. If not, stop the engine and determine the
cause of the problem.
(With water hose joint-optional part)
1. Wash the outside of the outboard motor with clean, fresh water.
2. Remove the wash plug.
3. Flush the cooling system, using the water hose joint (optional).
a. Attach a hose from a fresh water
faucet to the water hose joint.
WATER HOSE JOIN
b. Remove the propeller.
c. Turn on the fresh water supply to the
hose.
d.Start the engine and run in neutral at
idle for at least 10 minutes.
(Without water hose joint)
1. Wash the outside of the outboard motor with clean, fresh water.
2. Remove the propeller.
3.Stand the motor in a suitable container of water. The water level must
be at least 2 inches above the anti-ventilation plate.
NOTE:
Maintain the water level at least 2 inches above the anti-ventilation plate.
4. Start the engine and run slowly for at least 10 minutes.
ANTI-VENTILATION PLATE
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