The Spg-washer 5mm is the lowest priced item on this Starter Motor schematic.
Parts such as the Starter Motor: O-ring, Ring, O-ring,24.4x3.1, Holder Set,brush are included in the Vt1100c Shadow 1100 1986 (g) Usa California Starter Motor parts fiche.
The Starter Motor is made up of components including this Motor Assy Starte which is the most expensive.