The Signal Generator assembly is constructed from several parts from which the Igniter Assembly is the most expensive.
Parts such as the Signal Generator: Bolt, Igniter Assy, Cushion,igniter, Screw are included in the Gsx1100g 1991 (m) (e01 E02 E04 15 16 17 18 21 22 24 25 34 39 53) Signal Generator parts fiche.