big bore cylinder barrel kit beta ark 50 1998 2003 Honda MTX80 with a 12mm top pin

with a 12mm top pin and 10mm bottom pin which you can change if required

Kawasaki Z 440 H (1982-1983)

Yamaha YFM 350 U Big Bear (1996-1998)

To replace OEM: 16950-KEA-013 / 16950-KEA-033 / 16950-KEA-774 / 16950-KEA-772 / 16950-MBZ-K02 / 16950-MBZ-K03 / 16950-MBZ-K04

big bore cylinder barrel kit beta ark 50 1998 2003 Honda MTX80 with a 12mm top pinBrand new big bore cylinder barrel kit to fit: Beta ARK 50 (1998 2003). This cylinder kit has been manufactured to upgrade the original top end on a Beta ARK 50 to 70cc for the years and models shown above. The kit includes the cylinder barrel jug, head, piston kit and gaskets. To upgrade from 50cc to 70cc.