Polini cylinder kit 47 mm pin 12 for Piaggio Ciao 140.0136

Polini cylinder kit 47 mm pin 12 for Piaggio Ciao. Polini code: 140.0136

The new Polini 47 cast iron cylinder kit with 4 studs has been designed for a specific combination with the Polini For Race crankcase for all Ciao, Si, Bravo, Boss, Grillo mopeds.

The drilling involves fixing the cylinder using 4 studs which guarantee a more efficient distribution of forces during operation and allow a discharge centered with the axis along which the washing process develops and a thin crosspiece.

Other technical features: exhaust port with booster holes, single ring piston, annealed aluminum head gasket. Important details that guarantee better performance.

To assemble the thermal unit, it is necessary to pair it with the specific muffler available at the end of 2023.