The most reasonably priced component used on the Cb250 1994 (r) Netherlands Gasket Kit A is the O-ring,25.5x2.5.
The eight Cb250 1994 (r) Netherlands Gasket Kit A component parts are all listed in this schematic.
The Cb250 1994 (r) Netherlands Gasket Kit A consists of eight pieces with the Gasket Kit A (nas) being the most expensive.