Malossi or Polini?

Hi. I am planning to put a tuning cylinder on my Yamaha Neos 100cc. But i dont know if to put the Malossi 115cc or the Polini 120cc, have heard alot about Polini seizes very easy. It is a Minarelli made engine on the Neos 100cc. Anyone?..=))

hi ...

i recommend you the polini

better quality

no modifing necessary (reguarding the piston / cylinder)

longer life