In this schematic the "Screw-washer,4x16" is used most often.
The lowest price component in this E-11 Carbuerator parts-list fiche is the Clip B7,tube.
Parts such as the E-11 Carbuerator: Valve,float, Valve Set,throt, Holder,needle Jet, Valve,starter are included in the Mbx80fwd 1985 (f) E-11 Carbuerator parts fiche.