Check out any of the twenty-eight Cowling(ex500-e3/e4/e4a) components enlisted.
Some items from this specific schematic: Washer,nylon,5.3x11.5, Screw, Collar, Pad,upp Cowling,rh.
The most reasonably priced component used on the Ex500e3 Gpz500s 1996 Europe Fr Nl Fg Gr Nr Sp Cowling(ex500-e3/e4/e4a) is the Screw.