The Honda SWINGARM / CHAIN CASE has twenty-six products enlisted in the schematic.
Parts such as the Swingarm / Chain Case: Bolt,hex 6x12, Washer Plain 6mm, Chain,drive 428h, Bolt,fork Pivot are included in the Xl125 1976 Usa Swingarm / Chain Case parts fiche.
The most reasonably priced component used on the Xl125 1976 Usa Swingarm / Chain Case is the Washer,plain, 6mm.