clutch springs Polini reinforced for Minarelli AM4, AM5, AM6

Reinforced clutch springs from Polini for Minarelli AM4, AM5, AM6 engines.

Polini recommends these reinforced clutch springs for powerful performance engines from 50cc to 100cc. Clutch slipping is often caused by too weak clutch springs. This loss of power can be prevented with these Polini clutch springs.