http://www.powerchutes.com/oil.pdf

Is this the link you were looking for?

I can not get Pennzoil "aircolled" locally. I may try the stuff linked below when I run out of oil. For now I am using some fancy, and expensive, synthetic. It works fine but spits a lot of oil out the exhaust. I see no real benefit from it.

http://www.pennzoil.com/more-product...le-engine-oil/

IMHO it does not matter much what you use. Any "2-stroke" oil mixed at about 40:1 or more will do just fine. Guys seem to get in trouble by trying to see how oil poor a mixture they can run.

I would not run real castor oil. Been there and done that. It will gum up the rings. If you can, and don't mind, taking your engine apart to unstick the rings than castor is ok too.