In this schematic the "Screw, 5x45" is used most often.
Parts such as the Right Handle Switch (model G F.no. 102308~/h/j): Screw, Grip,throttle, Switch Assy, Handle Rh, Nut are included in the Rg125uc 1986 (g) (e02 E04) Right Handle Switch (model G F.no. 102308~/h/j) parts fiche.