Parts such as the Starting Motor: Screw-wash.,3x8, Screw-washer,5x43, Screw.washer.4x8, Screw.washer.4x6 are included in the Nsr125r 1991 (m) Sweden / Kph Starting Motor parts fiche.
In this schematic the "Screw-washer,5x43" is used most often.
The lowest price component in this Starting Motor parts-list fiche is the Screw.washer.4x6.