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Polini Corsa 70cc Cylinder Kit - Piaggio A/C


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Polini Corsa 70cc cast-iron cylinder kit for Piaggio/ Gilera/ Vespa 50cc 2-stroke air cooled scooters.

The Polini Corsa 70cc kit makes approx 25-30% more power than the Polini sport. It's still cast iron which means it's very strong and can be rebored but runs at higher revs, approaching similar performance to the aluminium Malossi MHR rep kit

Realistically this is about the limit of what can be used with any degree of reliability for everyday use. As with the MHR rep 70cc kit the oil mixture should ideally be increased to 33:1 either by an adjustable ratio oil pump (see engine category) or by pre-mixing. Will also need a decent high end sports exhaust e.g. Yasuni R

Develops peak power at approx 11,500rpm. Includes gaskets, spark plug.

Included: cylinder, head, piston kit, gasket set, small end bearing, reed petals & spark plug.

Polini 140.0181/R

  • Aprilia SR Motard 50cc
  • Gilera Ice 50cc
  • Gilera Stalker 50cc
  • Piaggio/Gilera 50cc 2-stroke scooters (air cooled)
  • Piaggio NRG MC3
  • Piaggio NRG Power
  • Piaggio Typhoon 50cc
  • Piaggio Zip 50 air-cooled (all)
  • Vespa LX50 (2-stroke)
  • Vespa ET2
  • Vespa Primavera 50cc (2-stroke)
  • Vespa Sprint 50cc (2-stroke)
  • Vespa S 50 2-stroke