The component with the lowest price in the LEFT CRANKCASE COVER (CR85R5,6/RB5,6) schematic is the Screw Wash 6x35.
In this schematic the "Screw Wash 6x35" is used most often.
The Left Crankcase Cover (cr85r5,6/rb5,6) is made up of components including this Ac Gen Flywheel which is the most expensive.