MAINTENANCE
COOLING SYSTEM
Install flushing adapter and garden hose.
ALL MODELS
DRC44684
Remove propeller and shift the outboard to NEU-
TRAL.
Turn water
supply
on.
START outboard.
Run
out-
board at IDLE only for at least five minutes.
Shut
OFF the outboard. Turn off water supply.
Remove garden hose and flushing device. Rein-
stall plug (9.9/15
HP
models). Uncover taped
holes (25/30 HP models).
Leave the outboard
in
VERTICAL (DOWN) posi-
tion
long enough for the powerhead to drain com-
pletely.
Reinstall propeller.
Flushing - Outboard Not Running
9.9/15 MODELS
Outboard can
be
in
VERTICAL (DOWN) or
TILTED (UP) position.
Remove the
plug from the flushing port. Install
flushing
device and garden hose.
Turn water
supply ON.
64
Flush outboard for at least five minutes.
Turn off water
supply. Remove garden hose and
flushing device.
Reinstall plug. Position outboard
in
VERTICAL
position (DOWN) long enough to allow the power-
head to drain completely.
Water Intake Screens
Inspect condition of water intake screens. Clean
or replace as needed.
Confirm function of overboard water pressure indi-
cator.
Clean or replace plug and nozzle as
needed.
TYPICAL
1. Water intake screen
2.
Overboard water pressure
Additional Maintenance
32894DRC49
52
• Confirm function of System Check engine moni-
tor (remote
electric models).
• Check operation or visually inspect thermostat
and pressure
relief valve. Clean or replace as
needed.
• Replace water pump.
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