21
OIL AND FUEL
FUEL REQUIREMENTS
Always use fresh gasoline.
Gasoline will oxidize; the result is loss of
octane, volatile compounds, and the pro-
duction of gum and varnish deposits
which can degrade the fuel system.
Recommended Fuel
Use unleaded gasoline with the following oc-
tane rating.:
Never experiment with other
fuels. Do not use fuel containing more
than 10% ethanol. The use of non-recom-
mended fuel can result in loss of perfor-
mance and damage to critical parts in the
fuel system and engine.
Using unleaded gasoline that contains methyl
tertiary butyl ether (MTBE) is acceptable
ONLY if the MTBE content does not exceed
15% by volume.
Alcohol Fuels
Your outboard has been designed to operate
using the specified fuels; however, be aware
of the following:
• The boat’s fuel system may have different
requirements regarding the use of alcohol
fuels. Refer to the boat’s owner guide.
• Alcohol blended fuel may cause engine per-
formance problems.
Alcohol attracts and holds
moisture that can cause corrosion of
metallic parts in the fuel system.
FUEL ADDITIVES
The only fuel additives approved for use in
your Evinrude E-TEC outboard are:
• Evinrude/Johnson 2+4 Fuel Conditioner
• Evinrude/Johnson Fuel System Cleaner
Use of other fuel additives can result in
poor performance or engine damage.
Evinrude/Johnson 2+4 Fuel Conditioner will
help prevent gum and varnish deposits from
forming in fuel system components and will
remove moisture from the fuel system. It can
be used continuously and should be used
during any period when the outboard is not
being operated on a regular basis. Its use will
reduce spark plug fouling, fuel system icing,
and fuel system component deterioration.
Evinrude/Johnson Fuel System Cleaner will
help keep fuel injectors in optimal operating
condition.
A WARNING
Gasoline is extremely flammable and
highly explosive under certain condi-
tions. Follow the instructions in this sec-
tion explicitly. Improper handling of fuel
could result in property damage, serious
injury or death.
Leaking fuel is a fire and explosion haz-
ard. All parts in the fuel system should
be inspected frequently and replaced if
signs of deterioration or leakage are
found. Inspect the fuel system each time
you refuel, each time you remove the
engine cover and annually.
Minimum Octane Rating
Inside North America 87 (R+M)/2 AKI
Outside North
America
90 RON
Using alcohol-extended fuels is acceptable
ONLY if the alcohol content does not exceed:
• 10% ethanol by volume; or
• 5% methanol with 5% cosolvents by volume.
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