This Swingarm diagram displays the required parts for the Fl400r Pilot 1990 (l) Usa Swingarm.
The Wash,plain,12mm is the lowest priced item on this Swingarm schematic.
A sample from the products for the Swingarm include: Nut,self Lock,10m, Pin Cotter 2.0mm, Stay, L. Rr. Cushion, Wash,plain,12mm.