Parts such as the Air Cleaner: Case,air Cleaner,front, Lock Washer, Hose, Clip are included in the Gs650g 1983 (d) Usa (e03) Air Cleaner parts fiche.
The most reasonably priced component used on the Gs650g 1983 (d) Usa (e03) Air Cleaner is the Lock Washer.
The Air Cleaner is made up of components including this Case,air Cleaner,front which is the most expensive.