The Screw is the cheapest item from this partsfiche.
Some items from this specific schematic: O Ring(d:1.9,id:5.7), Cushion,cam Chain Tensioner, Chain,camshaft Drive, Screw.
This schematic depicts all components used in the Gsx250s 1982 (z) General Export (e01) Cam Chain (model Z) partslist.