The Spring Washer 6 Mm is the lowest priced item on this 012 Electric Starting And Ignition schematic.
In this schematic the "Screw Tcei M6x18" is used most often.
Parts such as the 012 Electric Starting And Ignition: Bush, Spacer, Spring Washer 6 Mm, Starting Motor are included in the Sfs 2011 Usa (streetfighter S) 9151-2901d 012 Electric Starting And Ignition parts fiche.