21
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FUEL & OIL
Gasoline Recommendations
USA AND CANADA
Use a major brand of automotive unleaded gasoline with a minimum
posted octane rating (R + M
÷
2) of 92. Automotive gasolines that
contain fuel injector cleaner are recommended for added internal
engine cleanliness.
INTERNATIONAL
Use a major brand of automotive unleaded gasoline with a minimum
posted octane rating of 98RON. Automotive gasolines that contain
fuel injector cleaner are preferred for added internal engine cleanli-
ness. Leaded gasoline is acceptable in areas where unleaded gaso-
line is not available. However, exhaust passageway corrosion may
occur due to the accumulation of exhausted lead particles.
GENERAL RECOMMENDATIONS
During periods of extended non use, a fuel stabilizer is highly recom-
mended (See Storage Section).
Leaded Gasoline is acceptable to use in areas where unleaded is
not available. However, exhaust passageway corrosion may occur
due to the accumulation of exhausted lead particles.
ALCOHOL IN GASOLINE
We do not recommend gasoline containing alcohol due to the possi-
ble adverse effect the alcohol may have on the fuel system. If only
gasoline containing alcohol is available, it must not contain more
than 10% ethanol or 5% methanol, and the addition of a Mercury
Marine Water Separating Fuel Filter is recommended.
If gasoline containing alcohol is used or if you suspect the presence
of alcohol in your gasoline, increase your inspection of the fuel sys-
tem, visually checking for fuel leaks or abnormalities.
Gasoline containing alcohol may cause the following problems to
your outboard and fuel system:
•
Corrosion of metal parts.
•
Deterioration of elastomers and plastic parts.
•
Fuel penetrating through flexible fuel lines.
•
Wear and damage of internal engine parts.
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