headstock bearings yamaha rd400 rd 400 1976 1980 Kawasaki Z200 20N-82310-40 or 4BC-82310-00 on a

20N-82310-40 or 4BC-82310-00 on a PW80 for the years shown above

If you have a weak spark on your Kawasaki ZXR400 then the coils could be the culprit and it's a good idea to get some new coils on the bike

Honda XRV 750 Africa Twin (1993-2000)

Suzuki RM 100 (2003)

It has a 23mm shaft

headstock bearings yamaha rd400 rd 400 1976 1980 Kawasaki Z200 20N-82310-40 or 4BC-82310-00 on aBrand new set of headstock steering bearings to fit: Yamaha RD 400 (1976 1979). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Yamaha RD400 for the years and models shown above. Top sized: 25mm x 48mm x 12mm. Bottom sized: 30mm x 48mm x 12mm. All sizes set out ID x OD x Thickness. If you require different sizes please click here to see our full list of sizes. The