Kit 172cc POLINI Ø61mm, cylinder / piston, computer case PIAGGIO MEDLEY and VESPA GTS ... 125 and 150cc 4T

Ideal to gain torque and power by refurbishing its engine, here is the POLINI kit, with its diameter of 61mm it offers no less than 172cc real cubic capacity!

Made of jacketed aluminum, the kit offers excellent cooling (heat transfer) and robustness to any test.

This makes it a repairable set at low cost in case of breakage! The piston delivered is a model made to obtain a compression ratio of 11.2: 1 with the original cylinder head!

The pack is delivered complete with segments, joints, instructions, guaranteed, axis, clips ...

But most importantly, an electronic engine reprogramming unit to review injection times (thus the wealth / AFR) which brings reliability and performance!

Quite well adapted to a well-released engine with a sport exhaust without catalyst and a good sport variator!

Mounts on :

PIAGGIO: MEDLEY 125 ie 4T EURO 4 - MEDLEY 150 ie 4T 4V EURO 4
VESPA: VESPA 125 GTS ie 4V EURO 4 - VESPA 150 GTS ie 4V EURO 4