Malossi or Polini 75ccm for Vespa V50

Schaltroller / Classic Motoscooters Vespa Smallframe
1

Hello all,

 

I want to give my '71 V50 a bit more power with a 75cc cilinder.

Question is: which one is the better one? The malossi or the Polini?

 

At first I want to keep the standard 16/10 carb.

Any advice?

 

Thanks,

 

Andy