Piston bi segment POLINI Ø55mm for 100cc aluminum kit on YAMAHA DT, TZR, RD and YSR 80cc LC liquid cooling

Ideal for maintaining or repairing your 100cc Ø55mm kit, here is the POLINI piston. It is available in wear dimension A / B / C and D to be selected according to the original dimension of the factory outlet of your cylinder and its wear (+ 1 coast every 5000km or measure the exact diameter of the cylinder at the using a special device). It comes complete with its piston pin, two piston clips and two segments.