Honda CBR 125RW 2007 Owner's Manual page 193

Oxygenated Fuels
METHANOL (methyl or wood alcohol)
5% by Volume
You may use gasoline containing
methanol containing up to 5% methanol '
by volume as long as it also contains
cosolvents and corrosion inhibitors to
protect the fuel system. Gasoline
containing more than 5% methanol by
volume may cause starting and/or
performance problems. It may also
damage metal, rubber, and plastic parts
of your fuel system.
If you notice any undesirable operating
symptoms, try another service station or
switch to another brand of gasoline.
Fuel system damage or performance
problems resulting from the use of an
oxygenated fuel containing more than the
percentages of oxygenates mentioned
above are not covered under warranty.
Oxygenated fuels can damage paint and
plastic. Be careful not to spill fuel when
filling the fuel tank. Wipe up any spills
immediately.
Oxygenatedfuels can damage paint and
plastic. Damage caused by spilledfuel is
not covered by warranty.
Technical Information 183