Headstock Bearings & Seals: Kawasaki KX420 KX 420 (1980-1981) Honda NX650 The answer is simple

The answer is simple

Yamaha BW80 (1985-1990)

This unit is a direct replacement for the Yamaha YZF R1 4XV1

This replaces MAGNETI MARELLI ACI600 / ACI601 / ACI602 / ACI603 / ACI604 units or EFI Technology AC2i / AC3i / AC5i /AC8i units

ACI603 & ACI604 units

Headstock Bearings & Seals: Kawasaki KX420 KX 420 (1980-1981) Honda NX650 The answer is simpleBrand new set of headstock steering bearings with seals to fit: Kawasaki KX 420 A1 A2 (1980 1981). 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 KX420 for the years and models shown above. Top and bottom headstock bearings with seals are included. We also stock without seals, please see our other listings for these. Top sized ID25 x OD47 x WTH15. Bottom