To the fellow needing one, I have an SX-71 chassis with original choke in it if it will help you. Lloyd Godsey KK7IZ 1315 N. Udall Circle Mesa, Az 85203 1-480-620-7145 (cell) Please visit my web pages http://www.lloydsdipsydumpster.com/ http://members.cox.net/kk7iz/kk7iz/index.htm kk7iz at cox.net