Headstock Bearings: Kawasaki Z500 Z 500 (1979-1980) Yamaha YQ50 This is the highest quality

This is the highest quality aftermarket Yamaha PW80 cylinder kit you can get on the market

Kawasaki ZZR 400 (ZX400 N1-N7) (1993-1999)

If you're having spark issues with your YZ80 it's a no brainer to get a new coil on there

This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a KX125 for the years and models shown above

Headstock Bearings: Kawasaki Z500 Z 500 (1979-1980) Yamaha YQ50 This is the highest qualityBrand new set of headstock steering bearings to fit: Kawasaki Z 500 B (1979 1980). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Kawasaki Z500 for the years and models shown above. Top sized: 30mm x 48mm x 14mm. 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.