The component with the lowest price in the CRANKCASE schematic is the Bolt Flang 6x12.
This schematic depicts all components used in the Cb600f Hornet 2009 (9) Spain / 25k Crankcase partslist.
Some items from this specific schematic: Orifice,1.2mm, Finder,oil Level, Bolt,flange,6x50, Sw Assy,neutral.