The Washer,plain, 6mm is the lowest priced item on this Left Crankcase Cover / Advancer schematic.
This LEFT CRANKCASE COVER / ADVANCER assembly utilises six Bolt,flange,6x32(s) - the highest specified component.
Some items from this specific schematic: Pl,pluser Cord, Cover,l Crankcase, Bolt,hex.,6x12, Bolt,flange,6x14.