This Sillin diagram displays the required parts for the Cy50 1990 3wg1 Spain 203wg-352s2 Sillin.
Parts such as the Sillin: Rear Carrier, Box 1, Damper, Seat, Nut, Flange are included in the Cy50 1990 3wg1 Spain 203wg-352s2 Sillin parts fiche.
On this parts fiche the Nut, Flange is the most specified component.