With the new two stroke, you don't have to mix gas and oil because they have oil injection, so they're easier to use than the four stroke. Also, for equal engine displacement, a two stroke will make more power than a four stroke.

I can't remember the location or name of the scooter store I dropped by recently, but if I find the booklet I brought home from there, I'll let you know. It was a very nice store and the staff was great.