headstock bearings yamaha wr450 wr 450 2003 2014 Yamaha MT-07 30500-422-013 or 30506-MA6-003 on a

30500-422-013 or 30506-MA6-003 on a CB650 for the years and models shown above

Kawasaki ZXR 750 H (ZX750 H) (1989-1990)

Kawasaki KX 450 (2005-2008)

To replace OEM: 4X4-23100-00-E1 / 3PT-23100-01-35

The models are (ZR400) A1 & B1

headstock bearings yamaha wr450 wr 450 2003 2014 Yamaha MT-07 30500-422-013 or 30506-MA6-003 on aBrand new set of headstock steering bearings to fit: Yamaha WR 450 F (2003 2014). 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 WR450 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. If you require different sizes please click here to see our full list of sizes.