You should go to a larger cfm carb. to accomidate the extra flow through your cylinder. the manufacturer of your kit could tell you what size (mm), I would carefully try to match their recomendation, at least for size, and try to find a model that is easy to tune/ swap parts. Also consider carbon graphite reeds.They will open easier, and close quicker compared to stainless. Your cdi may have a rev limiter depending on where the scoot was marketed for, this is a good couple of mph (top end) also the largest tire you can fit will give a few more. A true high performance Ign. coil will help ignite it all quickly, and completely. Jiangwayne.com has some realy trick lite weight wheels. Other than that, good fluids and constant maintenence.
