Bi-piston segment AIRSAL Sport 40mm for kits 50cc on CPI, GENERIC ... (am6 type)

This is the replacement for piston AIRSAL SPORT 50cc kits 50cc motorcycle engine minarelli am6 such as GENERIC, CPI and other models. The piston comes complete with piston pin, and piston rings as clips. It is recommended to change it every year maximum 7500km or recess if clamping primer, drilling ... If it did not damage the cylinder. Ø40mm, Ø12mm axle, 1mm thick segment.