there are waaay better things to do to a super 9 ( i assume that's what you're working with. i would suggest the 70cc kit, a performance pipe, i believe technigas makes them, and probably you'll want new roller weights, new clutch spring, and an arreche carb.
i can get exact specs in like 2 weeks at work, but my boss has one that goes about 70 and gets there's super fast too.