The Washer,a.spline is the most widely applied product in the CM250C CUSTOM 1983 (D) USA CALIFORNIA TRANSMISSION ( three times ).
Parts such as the Transmission: Countershaft, Washer,a.spline, Gear,m/shaft 3rd, Washer,thrust are included in the Cm250c Custom 1983 (d) Usa California Transmission parts fiche.
Check out any of the thirty-four Transmission components enlisted.