Parts such as the Muffler: Screw, Pipe,exhaust Ctr, Lock Washer, Lock Washer are included in the Gs750n 1979 (n) Usa (e03) Muffler parts fiche.
twenty-seven components are listed in the schematic for this Gs750n 1979 (n) Usa (e03) Muffler .
On this parts fiche the Bolt is the most specified component.