The lowest price component in this Cam Chain/tensioner parts-list fiche is the Nut, Hex, 8 Mm.
With a quantity of three pieces, the Bolt,knock,5mm is the most used part in the CAM CHAIN/TENSIONER diagram.
Some items from this specific schematic: Sprocket Guide, Cam Chain Guide, Pivot Tensioner, Spg.b,tensioner.