In the years after the coup, Türk held office as a member of various left parties. He was one of the founding members of the People's Labor Party (HEP), along with six other MPs who were expelled from the Social Democratic Populist Party (SHP). The HEP was closed by order of the Constitutional Court on July 14, 1993.
Devam eden yıllarda çeşitli sol partilerde görev aldı. Halkın Emeği Partisi'nin (HEP) kurucu üyesi oldu. Paris'teki Kürt Konferansı'na katıldıkları için HEP milletvekilleri SHP'den ihraç edildi ve HEP, 14 Temmuz 1993'te Anayasa Mahkemesi kararıyla kapatıldı.