Parts such as the Rear Cushion: Metal,rr.cush.up., Damper,rear, Spring,rr.cushion, Guide Rr Cushion are included in the Z50j Monkey 1982 (c) Finland Rear Cushion parts fiche.
The Z50j Monkey 1982 (c) Finland Rear Cushion consists of twelve pieces with the Cushion Assy.,rr. being the most expensive.
The component with the lowest price in the REAR CUSHION schematic is the Washer,10mm.