Parts such as the Headlamp (tc125k: Cushion,headlamp Housing, Lock Washer, Nut,adjusting, Washer are included in the Tc125 1973 (k) Usa (e03) Headlamp (tc125k parts fiche.
With a quantity of two pieces, the Nut,adjusting is the most used part in the HEADLAMP (TC125K diagram.