FUEL AND OIL
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The fuel system components on your Mercury Marine engine will
withstand up to 10% alcohol content in the gasoline. We do not
know what percentage your boat's fuel system will withstand.
Contact your boat manufacturer for specific recommendations on
the boat's fuel system components (fuel tanks, fuel lines, and
fittings).
Be aware that gasolines containing alcohol may cause increased:
• Corrosion of metal parts.
• Deterioration of rubber or plastic parts.
• Fuel permeation through rubber fuel lines.
• Starting, idling, and other engine performance problems.
• Do not use gasoline that contains more than 10% ethanol or
more than 5% methanol.
• Damages resulting from the use of gasolines that contain
alcohol, acetone or benzene are not covered under the limited
warranty.
!
WARNING
Fuel leakage is a fire or explosion hazard, which can cause
serious injury or death. Periodically inspect all fuel system
components for leaks, softening, hardening, swelling, or
corrosion, particularly after storage. Any sign of leakage or
deterioration requires replacement before further engine
operation.
Because of possible adverse effects of alcohol in gasoline
, it is
recommended that only alcohol‑free gasoline be used where
possible. If only fuel containing alcohol is available, or if the
presence of alcohol is unknown, increased inspection frequency
for leaks and abnormalities is required.
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