Primary Gear Kit Polini 13/44 Minarelli

This is the Polini 13/44 primary transmission for Bws/Zuma 50F & 50X.

Installing this Polini primary transmission allows you to lengthen your transmission ratio. This will give you more extension and therefore more top speed. You will need to adjust the weight of your rollers to avoid losing too much acceleration.

• Transmission ratio: 13/44 (3.38)
• Transmission type: Primary,
• We recommend you put in new transmission oil & a new gasket.

Here is the Polini primary transmission 13/44 for Bws/Zuma 50F & 50X.

The assembly of this Polini primary transmission allows you to extend your transmission ratio. You will have more extension and therefore more top speed. You will have to adapt the weight of your rollers so as not to lose too much in acceleration.

• Transmission ratio: 13/44 (3.38)
• Transmission type: Primary,
• We recommend that you put new transmission oil & a new seal.