Parts such as the Swingarm / Chain Case 79: Stopper,adjuster, Bush, Rubber, Washer,6x9, Chain Set,drive are included in the Cb750f 750 Super Sport 1979 (z) Usa Swingarm / Chain Case 79 parts fiche.
The component with the lowest price in the SWINGARM / CHAIN CASE 79 schematic is the Bolt,flange 6x12.
In this schematic the "Bush, Rubber" is used most often.