Polini 50 cc cylinder for V50 and PK50 with 5-channel layout
The 50 cc Polini cylinder is the sportier alternative to the 50cc DR. With a compression ratio of 9.9:1 and five overcurrent ducts, it helps a 50cc to achieve a quite official increase in performance.
Responds very well to sports exhaust systems such as those of the 125 ET 3 or the SS 50/90. Due to the high compression ratio, it should be used with premium petrol and a main jet of around 60 (SHB16-16).
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