On this parts fiche the Spring, Tension (1w4) is the most specified component.
nineteen components are listed in the schematic for this Yz125 Competition 1991 (m) Usa Exhaust .
Parts such as the Exhaust: Washer (878-gisoo)., Fiber, Bolt, Flange(2gv), Collar(3rb) are included in the Yz125 Competition 1991 (m) Usa Exhaust parts fiche.