50 cvt suggestions

[asadad00]

need a little help guys, i have a nephew that wants to start racing , this will be a 50 cvt class mods are allowed. I don't have much experience on these mod 50's what is the hot set-up . we have a DRR stock limited to work with and my brothers credit card. I guess I need to know what cylinder and pipe combo?

[asadad00]

would condsider a used engine if someone has a proven winner send me a pm.

[thequadfather+2]

There are several motors in the class of 50's at the nationals. Everything from stock ported cylinders to Malossi, 2Fast and Polini...We run a Polini motor. I just cant seem to find the sweet spot in the clutching yet though.

One thing you may want to consider is the suspension.