Headstock Bearings: Yamaha XV1600 XV 1600 (1999-2003) Kawasaki ZX-4 21121-1181 & 21121-1234

21121-1181 & 21121-1234

To replace OEM Top: 51621-40200

Both top and bottom SZR 660 head stock bearings are included

These air filters have been designed to meet or exceed the manufacturers genuine part on a PW50

This head stock bearing set has been manufactured to replace the original steering bearing set on a Yamaha YZ465 for the years shown above

Headstock Bearings: Yamaha XV1600 XV 1600 (1999-2003) Kawasaki ZX-4 21121-1181 & 21121-1234Brand new set of headstock steering bearings to fit: Yamaha XV 1600 A Wild Star (1999 2002). Yamaha XV 1600 AT Road Star Silverado (1999 2003). Yamaha XV 1600 AS Road Star MM (Limited edition) (2000). Yamaha XV 1600 AS Road Star Midnight Star (2001 2003). Yamaha XV 1600 ALE Road Star (limited edition) (2003). Yamaha XV 1600 ATLE Road Star Silverado (Limited edition) (2003). This set of head stock bearings are taper roller style bearings that have been