Big Bore Cylinder Barrel Kit: Beta RR50 RR 50 (1999-2002) Yamaha YZ400 This set of head stock

This set of head stock bearings are cup and cone style and have been manufactured to replace the original set of steering bearings on a TL200 for the years and models shown above

We also stock with 100mm shroud or in 317mm length

Honda CBR 900 RR Fireblade (SC50) (2002-2003)

If you're having spark issues on your RM-Z 250

Big Bore Cylinder Barrel Kit: Beta RR50 RR 50 (1999-2002) Yamaha YZ400 This set of head stockBrand new big bore cylinder barrel kit to fit: Beta RR 50 Enduro (1999 2002). Beta RR 50 Supermoto (1999 2002). This cylinder kit has been manufactured to replace the original top end on an Beta RR50 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.