The seventeen Kd125-a5 1979 Usa Canada Cylinder Head/cylinder component parts are all listed in this schematic.
Some items from this specific schematic: Nut,lock,6mm, Spark Plug,b8hs, Collar,exhaust Pipe H, Damper,13x13.8.
The lowest price component in this Cylinder Head/cylinder parts-list fiche is the Washer-spring,12mm.