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Mercury Optimax 150 User Manual

Mercury Optimax 150
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WIRING DIAGRAMS
Page 2D-20 90-855347R1 JANUARY 1999
ENGINE OVERHEAT
a
a
The system is activated when the engine temperature is too hot.
The TEMP light (a) will come on and the warning horn begins sounding. The warning sys-
tem will automatically limit the engine speed to 3000 RPM. After the engine has cooled,
shift the outboard into neutral to reset the overheat circuit.
IGNITION COIL, SENSOR, OR INJECTOR NOT FUNCTIONING
a
a
The system is activated if an ignition coil, sensor or injector is not functioning correctly.
The CHECK ENGINE light (a) will turn on.
THROTTLE SENSOR NOT FUNCTIONING
a
a
The system is activated if the throttle sensors are not functioning correctly.
The CHECK ENGINE light (a) will turn on and the warning horn will begin sounding.
WATER SEPARATING FUEL FILTER IS FULL OF WATER
a
The water level detection warning is activated when water in the water separating fuel fil-
ter reaches the full level. The water can be removed from the filter.
The WATER DETECTION light (a) will come on and the warning horn will begin sounding
a series of four beeps. If you continue to operate the outboard, the light will stay on and
the horn will sound every two minutes.

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Mercury Optimax 150 Specifications

General IconGeneral
Horsepower150 HP
Engine TypeV6
Alternator Output60 amp / 756 watt
StartingElectric
SteeringRemote
Displacement2.5 L
Fuel Induction System2-Stage Direct Fuel Injection (DFI)
Shaft Length20", 25"
Dry Weight431 lbs (20 in), 439 lbs (25 in)

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