Cylinder Polini Evolution 70cc 12mm pin Piaggio Ciao

Polini Evolution Kit 75 Piaggio Ciao

Polini offers an Evolution kit for Piaggio Ciao and Piaggio Bravo, bringing the displacement up to 75cc.

The cylinder has a displacement of 74.6cc with a bore of 47mm and a stroke of 43mm. Polini designed the cylinder as a racing cylinder; in addition to its great capacity to improve performance, it is made of aluminum, known to offer optimized heat dissipation, and is equipped with a bi-ring piston.

Polini recommends combining this cylinder kit with its Polini Evolution crankshaft.

WARNING: you will need to adjust your carburetor! Don't forget your main and secondary jets!

Specifications of the Polini Evo 75 Piaggio Ciao kit:

• Displacement 75 cc
• Stroke: 43 mm
• Aluminum cylinder
• Mounting: 4 studs
• Compression ratio: 13:1
• Recommended squish: 0.8 mm
• For Piaggio mopeds

Pro tip: to get the best out of this kit, you'll also need a sport exhaust and a larger-than-original carburetor. We can of course supply these items for you.