probst SH-2500-UNI-B Instructions D'emploi page 141

GASOLINES CONTAINING ALCOHOL
If you decide to use a gasoline containing alcohol (gasohol), be
sure it's octane 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.
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.
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.
11