The Cam Chain/tensioner assembly is constructed from several parts from which the Chain,cam (borg W is the most expensive.
The Washer Seal, 6mm is the lowest priced item on this Cam Chain/tensioner schematic.
Parts such as the Cam Chain/tensioner: Chain,cam (borg W, Washer Seal, 6mm, Rubber,rr.cushion, Bolt Flg.7x13 are included in the Xrv750 Africa Twin 1991 (m) Italy Cam Chain/tensioner parts fiche.