The lowest price component in this Side Cover parts-list fiche is the Bolt, Hexa W/w.
Parts such as the Side Cover: Plate, Spring, Grommet(51l), Grommet(4dn), Bolt, Hexa W/w are included in the Tt125r Tt125rc 2000 (y) Usa California Side Cover parts fiche.
In this schematic the "Washer, Special 1" is used most often.