Parts such as the Crankcase: Bolt, Washer Based, O-ring(3ld), Bolt, Washer Based, Screw are included in the Fjr1300a 2005 5vsf Australia 1d5vs-300e1 Crankcase parts fiche.
The component with the lowest price in the CRANKCASE schematic is the Bolt, Washer Based.
The Crankcase assembly is constructed from several parts from which the Crankcase Assy is the most expensive.