The most expensive part in this assembly is the Cover Comp.,r..
With a quantity of eight pieces, the Bolt,flange,sh,6x25 is the most used part in the RIGHT CRANKCASE COVER diagram.
The most reasonably priced component used on the Cbr600f Hurricane 1990 (l) France / Kph Yb Right Crankcase Cover is the Pin,spg. 3x16.