Big Bore Cylinder Barrel Kit: Aprilia RS50 RS 50 (1993-2005) Suzuki A50 Derbi Senda 50 R X-Treme

Derbi Senda 50 R X-Treme DRD (2011)

Yamaha DT 125 LC Mk2 (1985)

Kawasaki VN 1700 J Vulcan 1700 Vaguero (2011-2013)

This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a KTM SMR450 for the years and models shown above

Big Bore Cylinder Barrel Kit: Aprilia RS50 RS 50 (1993-2005) Suzuki A50 Derbi Senda 50 R X-TremeBrand new big bore cylinder barrel kit to fit: Aprilia RS 50 (1993 2005). This cylinder kit has been manufactured to replace the original top end on an Aprilia RS50 for the years and models shown above. The kit includes: cylinder barrel jug head piston kit gaskets To upgrade the original from 50cc to 70cc. 47mm bore. To replace OEM: AP8206375. CHASSIS NUMBER PREFIX: 070,085,ZD4MM.