The most reasonably priced component used on the Cb250 Two Fifty 1992 (n) Australia / Kph Rear Cushion is the Washer,plain,10mm.
Some items from this specific schematic: Collar,rr.cushion, Bolt,flange,10x35, Collar, Cushion, Nut, Flang, 10mm.
The Honda REAR CUSHION has seven products enlisted in the schematic.