The component with the lowest price in the CAMSHAFT & CHAIN schematic is the Bolt, Hexagon (22f).
In this schematic the "Bolt, Small Flange" is used most often.
Parts such as the Camshaft & Chain: Chain, Guide, Stopper 2, Gasket, Tensioner Case (nas), Bolt, Hexagon (22f) are included in the Ttr125ls 2004 5hpu Australia 1c5hp-100e1 Camshaft & Chain parts fiche.