Cylinder kits

Cylinder Polini Evolution 2010 94cc stroke=44mm Yamaha Aerox / MBK Nitro

Cylinder Polini Evolution 70cc 12mm pin Piaggio Ciao

Cylinder Polini Evolution w/ reed valve 152cc, Vespa 50 Special / Primavera 125cc ET3, d=60mm, 54mm stroke

Cylinder Polini Evolution 3 70cc piston pin=10mm Yamaha Aerox / MBK Nitro

Cylinder Polini Evolution 3 70cc piston pin=12mm Yamaha Aerox / MBK Nitro
