Wellcraft 180 Sportsman, Owner'S Manual

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Contaminated fuel may cause serious damage to your
engine. The filter must be checked for water and other
contamination frequently. The filter elements must be
changed at least once a season or more frequently
depending on the type of engine and the quality of the
fuel. Please refer to the engine or fuel filter
manufacturer’s instructions for information on servicing
and replacing the fuel filter elements.
The age of gasoline can affect engine performance.
Chemical changes occur as the gasoline ages that can
cause deposits and varnish in 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 recommended
for your engine.
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