big bore cylinder barrel kit beta eikon 50 1999 2006 Yamaha WR500 21121-1110 or 21121-1111

21121-1110 or 21121-1111

Suzuki GS 700 E (1985)

Kawasaki Z / KZ 700 A (1984)

This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a RVF400 RR/RR2/RT/RT2 for the years and models shown above

4KB-82310-00 or 3KJ-82310-10 on a YFM350 for the above models and years

big bore cylinder barrel kit beta eikon 50 1999 2006 Yamaha WR500 21121-1110 or 21121-1111Brand new big bore cylinder barrel kit to fit: Beta Eikon 50 (1999 2006). This cylinder kit has been manufactured to upgrade the original top end on a Beta Eikon 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.