Headstock Bearings and Seals: Yamaha WR426 WR 426 (2001-2002) Honda CG125 To upgrade OEM: 21121-1056 /

To upgrade OEM: 21121-1056 / 21121-1140 / 21121-1170 / 21121-1181 / 21121-1234

Honda CB 400/4  F Four (1975-1979)

Kawasaki ZR 750 D1-D2 Zephyr (1996-1997)

To replace OEM: 21121-1253 or 21121-1255

Yamaha IT 200 (1986)

Headstock Bearings and Seals: Yamaha WR426 WR 426 (2001-2002) Honda CG125 To upgrade OEM: 21121-1056 /Brand new set of headstock steering bearings and seals to fit: Yamaha WR 426 F (2001 2002). 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 WR426 for the years and models shown above. Top sized: 28mm x 52mm x 16mm. Bottom sized: 30mm x 52mm x 16mm. All sizes set out ID x OD x Thickness. The seals are not included in the measurements. If you require different