This site uses cookies to provide you with a great user experience and to show you relevant ads. If you’re OK with that, just continue. To find out more, please review our privacy policy.

Polini Sport 70cc Cylinder Kit - Yamaha BWS


Add to Basket

Polini Sport 70cc cylinder kit for Yamaha air cooled vertical moped engines e.g. Yamaha BWS.
70cc Polini cylinder kit from their classic sport range.

Fairly low revving and very torquey this cylinder kit makes around 9.5 bhp when set up correctly with a sports pipe.

Spark plug: NGK BR8HS (Short reach)

Comes complete with the cylinder, piston kit, head, uprated reed petal, rings and gaskets.

Polini 166.0074

  • MBK Booster 50cc
  • Yamaha BWS 50cc
  • Yamaha Slider