28 - Operation
ENGINE OVERHEATING
IMPORTANT: Do not run your engine — even for a
brief start-up — without supplying water to it. Refer
to Flushing.
While boating, the engine’s water intakes must stay
completely submerged and unobstructed. Observe
proper transom height and trim angle. While the en-
gine is running, the engine’s water pump indicator
must discharge a steady stream of water. Check
the indicator often, especially when operating in
weeds, muddy and debris-laden water, and at ex-
treme trim angles.
1. Water intake screens
2. Water pump indicator
If the stream of water from the water pump indicator
becomes intermittent or stops, reduce speed to idle
and:
• Shift to NEUTRAL;
• SHUT OFF the engine;
• Raise the engine;
• Clean the water intakes and the water pump indi-
cator; and
• Restart engine and run at idle.
If cleaning the screens and indicator does not re-
store the water pump indicator’s steady discharge,
SHUT OFF the motor and do not attempt to operate
it. See your DEALER.
If you succeed in restoring the water pump indica-
tor’s steady discharge, continue to IDLE the engine
until it cools.
After an engine overheat, have your DEALER
torque the cylinder head and exhaust cover screws
and DETERMINE THE CAUSE OF THE OVER-
HEAT.
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