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Mercury 30 EFI FourStroke User Manual

Mercury 30 EFI FourStroke
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FEATURES AND CONTROLS
64 eng
If a steady flow of water is coming out of the water pump
indicator hole and the engine continues to overheat, consult your
dealer. Operating an overheated engine will cause engine
damage.
NOTE: Should overheating occur and you are stranded, stop the
engine and allow it to cool down. This will usually allow some
additional low speed (idle) running time before the engine starts
to overheat again.
LOW OIL PRESSURE
The warning system will be activated if the oil pressure drops too
low. First, stop the engine and check the oil level. Add oil if
necessary. If the oil is at the recommended level and the warning
horn continues to sound, consult your dealer. Engine speed will
be limited to 2800 RPM, however, you should not continue to run
engine.
ENGINE OVERSPEED LIMITER
Some causes of engine overspeed are as follows:
Propeller ventilation
A propeller which has an incorrect pitch or diameter
Propeller hub slippage
Outboard mounted too high on the transom
Tilting the outboard out beyond a vertical position
Cavitation of the propeller due to rough water or obstruction
in the boat hull
When the engine overspeed limiter is activated, the engine
timing will be momentarily retarded to decrease the engine
speed. Excessive overspeed (above 6300 RPM) will result in
cutout of the cylinders to prevent operation above this limit.
Tiller Handle Models with Manual Gas Assist Tilt
Models equipped with a gas assisted tilt system allows the
operator to lock the outboard at any tilt position from full down to
full up.
This tilt system is designed to be adjusted when the outboard is
idling in neutral or with the engine turned off.

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Mercury 30 EFI FourStroke Specifications

General IconGeneral
BrandMercury
Model30 EFI FourStroke
CategoryOutboard Motor
LanguageEnglish

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