Of all the components that make up this E-14 Kick Starter Spindle the Circlip,ex16 has the lowest price.
Parts such as the E-14 Kick Starter Spindle: Spdl,kick Starter, Spg,kick Starter, Washer (22mm), Cam,kick Shaft are included in the Xr500 1979 (z) Canada E-14 Kick Starter Spindle parts fiche.
On this parts fiche the Washer,thrust,18 is the most specified component.