With a quantity of eight pieces, the Bolt, Flange(4kg) is the most used part in the CRANKCASE COVER 1 diagram.
Some items from this specific schematic: Cover, Generator, Gasket, Crankcase Cover 2 (nas), Crankcase Cover Assy 3, O-ring (6g8).
The lowest price component in this Crankcase Cover 1 parts-list fiche is the O-ring (2h9).