Some items from this specific schematic: Ring A Back Up, Nut,hex.14mm, Cap,air Valve, Ring B.stopper.
The F-28 Rear Cushion assembly is constructed from several parts from which the Cushion Assy,rear is the most expensive.
This schematic depicts all components used in the Gl1200l Goldwing Limited Edition 1985 (f) F-28 Rear Cushion partslist.