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Both top and bottom SZR 660 head stock bearings are included
To replace OEM Top: 51621-40200
21121-1181 & 21121-1234
This set of taper roller bearings have been designed to replace the original head stock bearings on a BMW R 50/5 for the years shown above
Headstock Bearings: Yamaha XV1600 XV 1600 (1999-2003) Kawasaki ZX-4 Both top and bottom SZRBrand 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
