The most reasonably priced component used on the Gl1500a Goldwing Aspencade 1993 (p) Spain / Kph Carburetor (assy.) is the Screw,pan,4x12.
Some items from this specific schematic: Screw Set B, Screw,cross,5x12, Pump Rod Set, Diaphragm Set.
Check out any of the twenty-one Carburetor (assy.) components enlisted.