Kit high engine 187cc Ø63mm with cylinder head POLINI EVOLUTION aluminum STAR LML, DELUXE, VESPA, TS, SPRINT, VELOCE 125,150cc

Kit 63mm big diameter, offers 187cc real in combination with the 60mm long crankshaft stroke. This evolution version has improved cooling and performance. It consists of a high quality aluminum cylinder treated nicasill with diagrams revised upwards, a piston high quality bi-segment to maintain good compression and excellent torque. It comes with its high compression yoke to deliver the right compression ratio. This is one of the most efficient thermal units on the market for LML STAR DELUXE, VESPA PX, TS, SPRINT VELOCE ...

Also available in special version 57mm lnormal race. It is necessary to file the side of the cylinder on versions with electric starter.