The lowest price component in this E-7 Clutch parts-list fiche is the Bolt,hex.,6x25.
Parts such as the E-7 Clutch: Roller, 2x13.8, Bolt,hex.,6x25, Outer Comp,clutch, Nut,hex.,10mm are included in the Xr250r 1981 (b) E-7 Clutch parts fiche.
With all the components that make up the XR250R 1981 (B) E-7 CLUTCH assembly. The Disk,friction (nas) is the most frequently specified with four applications.