Parts such as the Oil Pan: O Ring(d:3.2,id:17.8), Gasket,oil Outlet (nas), Bolt, Pan,oil are included in the Gsxr1100 1990 (l) Usa (e03) Oil Pan parts fiche.
With eleven applications this Bolt is the most specified part.
The Oil Pan is made up of components including this Pan,oil which is the most expensive.