MAINTENANCE
COOLING SYSTEM
COOLING SYSTEM
Check the condition
of
cooling system compo-
nents
regularly. The outboard cooling system con-
sists of:
• water intake screens
• overboard water pressure indicator
• water pump
• all internal water passages
• thermostat
Flushing
Flush the outboard with fresh water following each
use in brackish,
salt, or polluted water to minimize
the
accumulation
of
scale and silt deposits
in
cool-
ing system passages.
6 WARNING ill
Prevent injury from contact with rotating
propeller; remove the propeller before
flushing.
Procedure
Remove propeller and shift the outboard to NEU-
TRAL.
Install flushing device and garden hose.
Cover the water intake
hole with tape.
1. Flushing device
004782
2.
Tape
START outboard. Run outboard at IDLE only for at
least five minutes.
IMPORTANT:
To
prevent damage, do not run
outboard above fast
idle. Water must flow from the
50
water pump indicator. If it does not, shut off the
outboard and repair as needed.
Shut OFF the outboard. Leave the outboard in
VERTICAL (DOWN) position long enough for the
water to drain from the powerhead
completely.
1
1. Water pump indicator 004783
Remove outboard from tank and install propeller.
Water Intake Screen
Inspect condition
of
water intake screen. Clean
or
replace as needed.
1. Water intake screen 004784
Water Pump
Inspect water pump every 200 hours
of
operation.
Refer to
WATER PUMP
on
p.
202.
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