On this parts fiche the Bolt,flange,6x32 is the most specified component.
The most reasonably priced component used on the Cr125r 1988 (j) Canada Right Crankcase Cover (2) is the Bolt,flange Sh 6x.
The Cr125r 1988 (j) Canada Right Crankcase Cover (2) consists of twenty pieces with the Cover Comp.,r.cra being the most expensive.