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#P715
Polini sport 70cc kit for Yamaha/ Minarelli Air Cooled engines.
As always the Polini Sport kit offers exceptional quality and reliability yet still with a substantial performance increase over standard.
Produces peak power at 10500rpm.
Gudgeon pin: 10mm (standard)
NOTE: Use long reach BR9ES or B9ES spark plug.
Polini 166.0076
Fitting this cylinder kit would make the liquid cooling system redundant. You would need to fit a fan, fan cover & cylinder cover to cool the cylinder.