big bore cylinder barrel kit gilera stalker 50 1998 2008 Yamaha FJ1100 If you require a different

If you require a different mounting please let us know and we can direct you to the correct listing

To replace OEM: 21121-0013 / 21121-0014

Brand new set of headstock bearings to fit:

Yamaha SR 500 (1978-1985)

To upgrade OEM: 21121-1062 / 21121-1063

big bore cylinder barrel kit gilera stalker 50 1998 2008 Yamaha FJ1100 If you require a differentBrand new big bore cylinder barrel kit to fit: Gilera Stalker 50 DD (1998 2005). Gilera Stalker 50 DT (1998 2008). This cylinder kit has been manufactured to upgrade the original top end on a Gilera Stalker 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.