A sample from the products for the E-3 include: Shaft,exh Rocker, Valve,inlet, Shaft,in Rocker A, Nut, Tappet..
In this schematic the "Cotter,valve" is used most often.
This part-list fiche shows all the components that make up the Msx125 2013 (d) Japan Jc61-100 E-3 .