With a quantity of two pieces, the Screw is the most used part in the RH HANDLE SWITCH diagram.
Of all the components used in this assembly the Case Assembly,throttle is the most expensive.
The most reasonably priced component used on the Gs400e 1978 (c) (e01 E02 E04 E17 E18 E21 E22 E24 E25 E30 E34 E39 Rh Handle Switch is the Nut 6mm.