In this schematic the "Bolt Knock 5mm" is used most often.
Parts such as the Cam Chain: Pivot, Tensioner, Sprocket,guide, Pin,dowel,8x12, Head,tensioner are included in the Z50r 1992 (n) Usa Cam Chain parts fiche.
The Bolt,flange,6x18 is the lowest priced item on this Cam Chain schematic.