Parts such as the Transmission: Spacer,engine Sprocket, Seal,oil(20x31.2x2.7), Bearing(20x34x17.5), Washer,lock are included in the Gsxr750 1991 (m) Usa (e03) Transmission parts fiche.
The most reasonably priced component used on the Gsxr750 1991 (m) Usa (e03) Transmission is the Screw.
Of all the components used in this assembly the Chain Assembly,drive 50gsv is the most expensive.