With three applications this Roller(15x13) is the most specified part.
Parts such as the Starter Clutch: Spring, Gear,starter Idle(nt:12,53), Pin(7x11x42), Bolt(14x21) are included in the Gsxr1100 1987 (h) Usa (e03) Starter Clutch parts fiche.
The Starter Clutch is made up of components including this Clutch Set,starter which is the most expensive.