On this parts fiche the Washer,plain,8mm is the most specified component.
The Pin,cotter 1.6x15 is the cheapest item from this partsfiche.
Parts such as the Stand / Step: Pipe Main Stand, Spring,l.step Rtn, Arm,r,step, Spring,d Stand are included in the Cb750k4 Four 1974 Usa Stand / Step parts fiche.