Polini Performance Variator Kit - Yamaha Zuma 125 wind sheild this expansion chamber system maximizes

this expansion chamber system maximizes exhaust scavenging to provide a significant boost in acceleration and top-end speed

High-Friction Organic Cork: Manufactured by Mec Eur in Italy

1 - 50274 Plug

you MUST upgrade to the NCY secondary sliding sheave/pulley shaft (SKU: 1200-1268)

and milk crates

Polini Performance Variator Kit - Yamaha Zuma 125 wind sheild this expansion chamber system maximizesThe Polini Performance Variator Kit is widely regarded as the gold standard CVT upgrade for the pre 2022 Yamaha Zuma 125 (BW BWS 125) and Yamaha Cygnus 125. Its larger diameter variator pulley unlocks higher top end speed while delivering smoother, more consistent acceleration throughout the RPM range a meaningful upgrade over the stock unit for any serious Zuma rider. Made in Italy by Polini, a name synonymous with performance since 1951. SKU: 1200