Cylinder Barrel Kit Aprilia RS4 50 / RS50 / RX50 - Big Bore 70cc - D50B0 D50B1

Aprila RS4 50 (2011-2017). Cylinder / Barrel / Top End Rebuild Kit. Includes Cylinder (Barrel), Head, Gaskets and Piston Kit as seen in picture. Aprila RS 50 (2006-2010).

eBay