Headstock Bearings and Seals: Kawasaki AE50 AE 50 (1981-1982) Yamaha YZ85 Honda CB 400/4 F Four

Honda CB 400/4 F Four (1975-1979)

Kawasaki Z 650 F (1980-1983)

Honda CBX 1000 (SC03) (1979-1982)

If you have a weak spark on your Yamaha YZF R1 then the coils could be the culprit and it's a good idea to get some new coils on the bike

Headstock Bearings and Seals: Kawasaki AE50 AE 50 (1981-1982) Yamaha YZ85 Honda CB 400/4 F FourBrand new set of headstock steering bearings and seals to fit: Kawasaki AE 50 A (1981 1982). 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 AE50 for the years and models shown above. Top sized: 25mm x 46mm x 12mm. Bottom sized: 28mm x 46mm x 12mm. All sizes set out ID x OD x Thickness. The seals are not included in the measurements. If you require