Some items from this specific schematic: Pin A,tension Arm, Pin,spec Lock,6mm, Holder Assy.,tens, Brkt A,tensioner.
The most reasonably priced component used on the Vf500f Interceptor 1984 (e) E-4 Cam Chain - Tensioner is the Pin,lock,8mm.
The E-4 Cam Chain - Tensioner is made up of components including this Chain,cam which is the most expensive.