Of all the components used in this assembly the Oil Pan is the most expensive.
The Bolt,flange,6x32 is the most widely applied product in the CB500 2002 (2) GERMANY / 37K OIL PUMP/OIL PAN ( twelve times ).
Some items from this specific schematic: Strainer Comp,oil, Sprocket,oil Pump, O-ring,14.7x3.7, Bolt,flange,6x40.