The thirty-five Z50a Mini Trail K7 1976 Usa Muffler component parts are all listed in this schematic.
The Muffler is made up of components including this Muffler Assy which is the most expensive.
Parts such as the Muffler: Nut Hex 6mm, Nut,hex 6mm, Nut,hex 6mm, Protector,muffler are included in the Z50a Mini Trail K7 1976 Usa Muffler parts fiche.
