Big Bore Cylinder Barrel Kit: Aprilia Rally 50 (1995-2004) Kawasaki ZZR1400 They have been manufactured to

They have been manufactured to replace the original set of head stock bearings on a Yamaha YSR50 for the years and models shown above

To replace OEM: 33410-31010

21121-1140 and 21121-1170

Yamaha Fazer 8 (Non-ABS) (2011)

Kawasaki VN 1700 C Classic Tourer (2009-2013)

Big Bore Cylinder Barrel Kit: Aprilia Rally 50 (1995-2004) Kawasaki ZZR1400 They have been manufactured toBrand new big bore cylinder barrel kit to fit: Aprilia Rally 50 (1995 2004). This cylinder kit has been manufactured to upgrade the original top end on an Aprilia Rally 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.