This Cover,l.crankcase is the most expensive of the items that make up this Left Crankcase Cover / Advancer assembly.
In this schematic the "Bolt,flange,6x32" is used most often.
Parts such as the Left Crankcase Cover / Advancer: Advancer,spark, Gskt,l Side Cover (mca), Bolt,flange,6x14, Bolt,hex.,6x12 are included in the Cb900c 900 Custom 1982 (c) Usa Left Crankcase Cover / Advancer parts fiche.