Parts such as the Oil Pan/oil Pump: Chain,oil Pump (2, Bolt,flange,6x28, Valve Assy.,relie, Washer,plug,drain 12 are included in the Cbr600f Hurricane 1994 (r) European Direct Sales / Kph Oil Pan/oil Pump parts fiche.
The component with the lowest price in the OIL PAN/OIL PUMP schematic is the Washer,plug,drain 12.
With twelve applications this Bolt,flange,6x28 is the most specified part.