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PERIODIC MAINTENANCE
COOLING SYSTEM FLUSHING
COOLING SYSTEM FLUSHING
DO NOT run the engine indoors or without adequate ven-
tilation or permit exhaust fumes to accumulate incon-
fined areas. Engine exhaust contains carbon monoxide
which, if inhaled, can cause serious brain damage or
death.
Prevent injury from contact with rotating propeller:
remove the propeller before flushing.
Outboard Running
Place the engine in vertical position in a well-ventilated area
with good drainage.
Remove the plug A from the flushing port.
Install flushing device 1 and garden hose.
Cover the water intake hole with tape 2.
Place the shift lever in NEUTRAL with the propeller removed.
Start the water — keep pressure between 20 to 40 psi (140
to 300 kPa).
Start the engine — run it at idle only and flush it for at least
five minutes.
Shut OFF the engine, then turn off the water.
Remove the tape and reinstall the flushing port plug.
Leave the outboard in vertical position long enough to com-
pletely drain the powerhead.
a
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