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Mercury jet 20 User Manual

Mercury jet 20
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41
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FUEL & OIL
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Gasoline Recommendations
UNITED STATES AND CANADA
Use a major brand of automotive unleaded gasoline with a minimum posted octane
rating of 87. Mid-grade automotive gasolines that contain fuel injector cleaner are
preferred for added internal engine cleanliness. Leaded gasoline is not
recommended.
INTERNATIONAL
Use a major brand of automotive unleaded gasoline with a minimum posted octane
rating of 90RON. Automotive gasolines that contain fuel injector cleaner are
preferred for added internal engine cleanliness. Leaded gasoline is acceptable in
areas where unleaded gasoline is not available.
ALCOHOL IN GASOLINE
We do not recommend the use of gasoline which contains alcohol because of the
possible adverse effect the alcohol may have on the fuel system. In general, if only
gasoline containing alcohol is available, it must not contain more than 10% ethanol
or 5% methanol, and the addition of a 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 system, 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.
Wear and damage of internal engine parts.
Starting and operating difficulties.
Vapor lock or fuel starvation.
Some of these adverse effects are due to the tendency of gasoline containing
alcohol to absorb moisture from the air, resulting in a phase of water and alcohol
which separates from the gasoline in the fuel tank.
The adverse effects of alcohol are more severe with methanol and are worse with
increasing content of alcohol.

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Mercury jet 20 Specifications

General IconGeneral
BrandMercury
Modeljet 20
CategoryOutboard Motor
LanguageEnglish

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