The component with the lowest price in the ALTERNATOR / ALTERNATOR COVER schematic is the Bolt,hex., 6x16.
Parts such as the Alternator / Alternator Cover: Bolt,hex., 6x16, Cap,staringclutch, Clutch,starting, Washer,11m/m are included in the Cb750f2 750 Super Sport 1977 Usa Alternator / Alternator Cover parts fiche.
The Alternator / Alternator Cover assembly is constructed from several parts from which the Comp,stator is the most expensive.