Headstock Bearings: Yamaha DT100 DT 100 (1974-1983) Yamaha WR200 Kawasaki GPX 400 R (ZX400F1)

Kawasaki GPX 400 R (ZX400F1) (1987)

To replace OEM: 21121-1157 / 21121-1158

Please check that your mounting matches 90mm prior to purchasing as we do have other sizes available

Yamaha RD 350 NII YPVS (1986-1987)

This set of steering bearings has been manufactured to replace the original set of head stock bearings on a Yamaha YZ80 for the above years and models

Headstock Bearings: Yamaha DT100 DT 100 (1974-1983) Yamaha WR200 Kawasaki GPX 400 R (ZX400F1)Brand new set of headstock steering bearings to fit: Yamaha DT 100 (1974 1983). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Yamaha DT100 for the years and models shown above. Top sized: 25mm x 43mm x 12mm. Bottom sized: 30mm x 48mm x 12mm. All sizes set out ID x OD x Thickness. The top and bottom steering bearings are included. The seals are not included.