The most reasonably priced component used on the Kz750e1 1980 Usa Canada Front Wheel/hub ('80 Kzy 50-e1) is the Washer-thrst Spd Pini.
A sample from the products for the Front Wheel/hub ('80 Kzy 50-e1) include: Bearing-ball,#6302zc3, Gear,speedometer, Pin-spring, Bushing-meter Gear.
With two applications this Collar,front Axle is the most specified part.