53
Fuel System
Fuel Fill & Vent Hose Connections
Contaminated fuel may cause serious damage to
your engines. Fuel lters must be checked for
corrosion and deterioration frequently. Fuel lters
must be changed at least once a season or more
frequently depending on the type of engine and
the quality of the fuel. Refer to the engine or fuel
lter manufacturer’s instructions for information
on servicing and replacing the fuel lter.
The age of gasoline can eect engine performance.
Chemical changes occur as the gasoline ages that
can cause deposits and varnish in the fuel system
as well as reduce the octane rating of the fuel.
Severely degraded fuel can damage the engine
and boat fuel tank and lines. Therefore, if your
boat is not being run enough to require at least
one full tank of fresh fuel a month, a fuel stabilizer
should be added to the gasoline to protect the
fuel from degradation. Your dealer or the engine
manufacturer can provide additional information
on fuel degradation and fuel stabilizers recom-
mended for your engine.
In many states, most gasoline is blended with
ethanol alcohol. Ethanol is a strong solvent and
can absorb water during periods of storage. You
should refer to the engine operating manual for
information regarding alcohol blended fuels and
how it aects the operation of your marine engine.
DO NOT DRAIN ANY FUEL INTO THE BILGE WHEN SERVICING
THE FUEL SYSTEM. THIS COULD LEAD TO A FIRE OR
EXPLOSION.
AFTER THE FILTER ELEMENTS HAVE BEEN CHANGED,
PRIME THE FUEL SYSTEM AND CHECK ALL FITTINGS FOR
LEAKS BEFORE AND AFTER STARTING THE ENGINE.
BEFORE STARTING THE ENGINE, ALWAYS OPEN ALL
HATCHES, WINDOWS AND DOORS TO COMPLETELY
VENTILATE THE BOAT AFTER SERVICING THE FUEL
SYSTEM.
TO REDUCE THE POSSIBILITY OF A FIRE OR EXPLOSION,
MAKE SURE ALL ELECTRICAL SWITCHES ARE IN THE OFF
POSITION BEFORE SERVICING THE FUEL SYSTEM.
AVOID SERIOUS INJURY OR DEATH FROM FIRE OR
EXPLOSION RESULTING FROM LEAKING FUEL, INSPECT
SYSTEM FOR LEAKS AT LEAST ONCE A YEAR.
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