A sample from the products for the F-17-1 Rear Cushion (cb450 K5 K6 C5 K7, Cl450 K5 K6) include: Cushion Assy.,rr., Seat,under Spring, Joint,upper, Seat,rr.cushion.
In this schematic the "Stopper,cushion" is used most often.
This schematic depicts all components used in the Cb450k6 U.s.a F-17-1 Rear Cushion (cb450 K5 K6 C5 K7, Cl450 K5 K6) partslist.