Some items from this specific schematic: Gauge,oil Level, Oil Seal 12x18x5, Oring 183, Screw,oval,5x25.
With a quantity of ten pieces, the Bolt,flange,sh,6x40 is the most used part in the RIGHT CRANKCASE COVER diagram.
Of all the components used in this assembly the Cover,r.crankcase is the most expensive.