I know it might sound strange and alot of people will go "why did you do that". But I recently wanted to try something different (and I did it on a cheap experiment engine). I used normal 2-stroke petrol (gasoline) oil. The oil I used was "Shell 2-stroke Lawn Mower" oil. To be exact. But I guess you can use any regular 2-stroke oil mix for gasoline engines.

The engine ran fine, it spluttered abit (as in it was a bit rich) I just retuned her and she ran like a dream. She was smoking heaps because of the extra oil. But seeing alot of smoke from these engines, is a very healthy sign for them. Ive been using the oil ever since, ive only been adding little amounts. Probably around 50-75mls, to a 1litre bottle of fuel. Had no toruble with it.

Try it, if you dont like, then dont use it. But atleast try it once.