Honda GX110 Owner's Manual page 14

GASOLINES CONTAINING ALCOHOL
If you decide to use a gasoline containing alcohol (gasohol), be sure it's oc-
tane rating is at least as high as that recommended by Honda. There are
two types of "gasohol":
one containing ethanol, and the other containing
methanol. Do not use gasohol that contains more than 10% ethanol. Do
not use gasoline containing methanol (methyl or wood alcohol) that does
not also contain cosolvents and corrosion inhibitors for methanol. Never
use gasoline containing more than 5% methanol, even if it has cosolvents
and corrosion inhibitors..
NOTE:
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Fuel system damage or engine performance problems resulting from the
use of fuels that contain alcohol is not covered under the warranty.
Honda cannot endorse the use of fuels containing methanol since
evidence of their suitability is as yet incomplete.
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Before buying fuel from an unfamiliar station, try to find out 'if the fuel
contains alcohol, if it does, confirm the type and percentage of alcohol
used. If you notice any undesirable operating symptoms while using a
gasoline that contains alcohol, or one that you think contains alcohol,
switch to a gasoline that you know does not contain alcohol.
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