The Cam Chain is made up of components including this Adjuster Assembly,tensioner which is the most expensive.
Parts such as the Cam Chain: Tensioner,cam Chain, Gasket,tensioner Adjuster (nas), Bolt, Adjuster Assembly,tensioner are included in the Lt300e Quad Runner 1988 (j) Usa (e03) Quadrunner Quad-runner Cam Chain parts fiche.
In this schematic the "Bolt" is used most often.