Parts such as the Expansion Chamber (1): Spring Nut,chambe, Collar,chamber Mo, Washer,spring,6mm, Bolt,flange,6x12 are included in the Cr125r 1997 (v) Canada / Cmf Expansion Chamber (1) parts fiche.
On this parts fiche the Collar,silencer M is the most specified component.
The most reasonably priced component used on the Cr125r 1997 (v) Canada / Cmf Expansion Chamber (1) is the Washer,plain, 6mm.