The lowest price component in this Cam Chain/tensioner parts-list fiche is the Bolt,hex.,knock,7.
The Cam Chain/tensioner assembly is constructed from several parts from which the Chain,cam is the most expensive.
Parts such as the Cam Chain/tensioner: O-ring,14.5x2.4, Sprocket,cam, Guide,cam Chain, Washer,drum are included in the Xbr500 1986 (g) Germany / 27p Cam Chain/tensioner parts fiche.
