when i had an old honda i used to add about 1 oz of 2 stroke oil or marvel mystery oil to the tank to lube the top end. any aversions to doing this to a gs?

Waste of money?

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could be..just that the gas they sell us now a days is getting allot crappier. good point. thanks.

If there is a marina near your house, you might be able to get Ethanol free gas.

Look here: http://pure-gas.org/