With a quantity of two pieces, the Bolt Knock 5mm is the most used part in the E-4 diagram.
eighteen components are shown in this Ca50j Jazz 2002 (2) Japan E-4 exploded diagram.
Parts such as the E-4: Sprocket,guide, Arm,chain Tension, Bolt Knock 5mm, Washer, Sealing are included in the Ca50j Jazz 2002 (2) Japan E-4 parts fiche.