With a quantity of four pieces, the Washer,spring,6mm is the most used part in the SPARK UNIT - RECTIFIER diagram.
The twenty-one Cbx1000 Supersport 1981 (b) European Direct Sales Spark Unit - Rectifier component parts are all listed in this schematic.
The lowest price component in this Spark Unit - Rectifier parts-list fiche is the Nut,thin 6mm.