The eight Cb250 1998 (w) Australia / Kph Gasket Kit A component parts are all listed in this schematic.
A sample from the products for the Gasket Kit A include: Gasket,exh.pipe (nas), Seal Valve,stem, Gasket,cylinder (nas), Gasket,carb.insul.
The component with the lowest price in the GASKET KIT A schematic is the O-ring,25.5x2.5.