Big Bore Cylinder Barrel Kit: AJS JSM 50 (AM6) Yamaha TDR250 This set of head stock

This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Kawasaki ZR250 for the years and models shown above

This heavy duty gold X-ring chain has been manufactured to replace the original chain on a Honda CD250 for the years and models shown above

Yamaha XS 850 L (1980-1981)

Honda CB 50 Dream (1997-1998)

Big Bore Cylinder Barrel Kit: AJS JSM 50 (AM6) Yamaha TDR250 This set of head stockBrand new big bore cylinder barrel kit to fit: AJS JSM 50. This cylinder kit has been manufactured to replace the original top end on an AJS JSM 50 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: TBC (AM6 engine).