Brand new big bore cylinder / barrel kit to fit:
Aprilia RX 50 (2006-2018).
This cylinder kit has been manufactured to upgrade the original top end on an Aprilia RX50 to 70cc for the years and models shown above. The kit includes the cylinder / barrel / jug, head, piston kit and gaskets.
To upgrade D50B0 or D50B1 2 stroke engine from 50cc to 70cc.
Chassis prefix: ZD4PVA / ZD4PVH01 / ZD4PVG01 / ZD4PVL01 / ZD4PVM01 / ZD4PVSWA / ZD4KKA0 / ZD4KKA01.