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Gasohol in motorbikes?
Q. Can the new gasohol fuel be used in motorbikes?

A. Gasohol can be used in all car engines manufactured in Thailand since 1995. However, we do not recommend it be used in motorcycles. The reason for this is that cars made in Thailand in the past 10 years are all equipped with fuel injectors, not carburetors.
The Fuel Research Department of the Petroleum Authority of Thailand (PTT) researched the use of gasohol only in fuel-injected engines. We are therefore not sure whether the seals in carburetors - as in pre-1995 cars and as still fitted to most motorcycles - can handle the burning of ethanol. Carburetors contain plastic parts. If these are damaged and leak, an engine fire could result.
Carburetor-aspirated engines will work on gasohol but, for the reason stated, we cannot recommend its use in these engines.
( - Vichitpong Cheanthongsub, PTT Phuket Oil Depot Manager)

Gasohol in motorbikes (November 25, 2005)
Q. Why do attendants at Petroleum Authority of Thailand (PTT) gas stations not tell customers that gasohol should not be used in motorbikes or cars older than 10 years? They put it in my motorbike and my 20-year-old car without saying a word.

A. We have given the manager or owner of every gas station in Phuket a half-day of training about gasohol and which engines it is suitable for. It is the duty of the gas station manager to train staff how to serve customers.
In addition, each PTT station has been given brochures - though in Thai only - explaining to customers which engines are suitable for gasohol use.
( - Vichitpong Cheanthongsub, PTT Phuket Oil Depot Manager)