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bababoo
05-01-2010, 12:38 PM
Has anyone had any problems with running 10% ethanol fuel in their Etec? Most gas stations in the area are selling all octanes with 10% but dealer said not to run it.

booondocker
05-01-2010, 09:07 PM
You can use it.... read the last line...this is straight out of online owners manual...which you should READ if you own these motors.

http://12.2.215.22/og/default.asp?SessionId=a781f6b1d97e4d269885992f6872 b707&Lang=EN&brands=EVINRUDE

"Using Your E-TEC Outboard
Minimum Octane
Your outboard is certified to operate on unleaded
automotive gasoline with an octane
rating equal to or higher than:
• 87 (R+M)/2 AKI — Inside the U.S.
• 90 RON — Outside the U.S.
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 attracts and holds moisture that can
cause corrosion of metallic parts in the fuel
system.
• Alcohol blended fuel may cause engine performance
problems.
Fuel systems with built-in tanks, particularly
those that include antisiphon valves and filter/
primer units, may have restrictions not allowing
the engine fuel pump to deliver sufficient
fuel under all conditions. This can result in a
loss of performance. If a performance problem
exists, see your Dealer.
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.
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"

These motors are made to run on this stuff...and they know that you might not
be able to get anything else.