Some items from this specific schematic: O-ring,13.8x2.5, Dowel,pin,10x16, Cap,a.c.generator, O-ring,27x2.
The fourteen Cbx250rs 1984 (e) England E-9 Left Crankcase Cover component parts are all listed in this schematic.
The most expensive part in this assembly is the Cov.l.crankcase.