- On sale!
Polini muffler for Yamaha Bw's-Zuma 125 I evolution model. Polini Code: 190.2003. Polini presents the new EVOLUTION exhaust system specific for Yamaha BW 125 developed by the Polini racing department staff. The features are aimed at obtaining maximum performance and making the most of all the power of the Polini 158.3 cc cylinder kit, improving...