Polini Sport 130cc cylinder kit for Vespa Smallframe and PK scooters.

The classic cast iron kit from Polini is perfect for everyday use. This kit is recommended with a minimum 19-24mm carburettor. The triple boost port makes this a 7 transfer port kit, the exhaust port has been worked to match. With the right transmission setup this kit can achieve 12bhp.

Standard crankcase induction.

For 50cc engines a 51mm stroke crankshaft will be required.

Included: cylinder, head, gasket set & piston kit.

Polini 140.0050