The sub assemblies and components that make up this Seat include this Double Seat Assy, the most expensive part.
The most reasonably priced component used on the Fj1200a 1993 (p) Usa Seat is the Washer(6a1).
Some items from this specific schematic: Double Seat Assy, Washer(6a1), Cover, Seat, Screw, Pan Head(3js).
