This CYLINDER HEAD COVER assembly utilises twelve Plug.6mm Hex.(s) - the highest specified component.
Some items from this specific schematic: Rubber, Mount, Cover Rr,cyln Hea, Gasket,head Cover (nas), Emb R,cylin Head.
The most reasonably priced component used on the Gl1500 Goldwing 1988 (j) Austria / Kph Cylinder Head Cover is the Rubber, Mount.