Headstock Bearings: KTM EXC530 EXC 530 (2009-2011) Yamaha RS125 To upgrade OEM: 21121-1132 /

To upgrade OEM: 21121-1132 / 21121-1135

Yamaha YZ 490 (1983-1988)

If you're having spark issues (weak spark or no spark) with your Yamaha XV750

Kawasaki (K) Z 1100 R1 (1984-1984)

Headstock Bearings: KTM EXC530 EXC 530 (2009-2011) Yamaha RS125 To upgrade OEM: 21121-1132 /Brand new set of headstock steering bearings to fit: KTM EXC 530 (2009 2011). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a KTM EXC530 for the years and models shown above. Top sized: 29mm x 50. 25mm x 15mm. Bottom sized: 29mm x 50. 25mm x 15mm. All sizes set out ID x OD x Thickness. If you require different sizes please click here to see our full list of sizes.