On this parts fiche the Screw 4x16 is the most specified component.
Parts such as the Speedometer Tachometer - Gl1500i: Cover, Oring,6.8x1.9, Cap, Wire are included in the Gl1500i Goldwing Interstate 1994 (r) Usa California Speedometer Tachometer - Gl1500i parts fiche.
The most reasonably priced component used on the Gl1500i Goldwing Interstate 1994 (r) Usa California Speedometer Tachometer - Gl1500i is the Screw-washer,3x12.