The most reasonably priced component used on the Gsxr1100 1987 (h) Usa (e03) Clutch Hose is the Washer(10x15x1.5).
Parts such as the Clutch Hose: Clamp, Boot,master Cylinder, Washer(10x15x1.5), Clamp,clutch Hose No.2 are included in the Gsxr1100 1987 (h) Usa (e03) Clutch Hose parts fiche.
This CLUTCH HOSE assembly utilises four Washer(10x15x1.5)(s) - the highest specified component.