The component with the lowest price in the CYLINDER schematic is the Pin,knock 12x18.
Some items from this specific schematic: Valve,oil Control, Cylinder Comp., O-ring,11x2.5, O Ring,61.8x2.0.
With all the components that make up the CB650SC NIGHTHAWK 1982 (C) USA CYLINDER assembly. The O Ring,61.8x2.0 is the most frequently specified with four applications.