Some items from this specific schematic: Contact, Headlamp Assy, Button,horn, Screw.
The most reasonably priced component used on the Gs400 1978 (c) (e01 E02 E04 E17 E18 E21 E22 E24 E25 E30 E34 E39) Special Market (e25) is the Screw.
This part-list fiche shows all the components that make up the Gs400 1978 (c) (e01 E02 E04 E17 E18 E21 E22 E24 E25 E30 E34 E39) Special Market (e25) .