Big Bore Cylinder Barrel Kit: Aprilia Rally 50 (1995-2004) Triumph Tiger 1215 Yamaha XC 125 Cygnus X

Yamaha XC 125 Cygnus X (2004-2006)

Yamaha SR 500 Europe (1993-1995)

This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings with part no 91015-KV6-003 on an XR125 for the years and models shown above

Kawasaki Ninja 300 R (EX300 B) (2013-2015)

To replace OEM: 21121-1184 or 21121-1185

Big Bore Cylinder Barrel Kit: Aprilia Rally 50 (1995-2004) Triumph Tiger 1215 Yamaha XC 125 Cygnus XBrand 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.