The O-ring 7x1.7 is the most widely applied product in the CB250RS 1982 (C) BELGIUM GASKET KIT B ( two times ).
This Gasket Kit B diagram displays the required parts for the Cb250rs 1982 (c) Belgium Gasket Kit B.
Some items from this specific schematic: O-ring 7x1.7, Gasket Kit B, O-ring,13.8x2.5, O Ring, 27x2.