The most reasonably priced component used on the Gs750n 1978 (c) Usa (e03) Rh Handle Switch (gs750c is the Lock Washer.
Some items from this specific schematic: Screw, Lever Assembly,brake, Grip,throttle, Contact.
The Gs750n 1978 (c) Usa (e03) Rh Handle Switch (gs750c consists of seventeen pieces with the Case Assembly,throttle being the most expensive.