Hi Dave, Sounds like you have a standard KR2.
I have a new, unused, complete plans set, purchased from Stu Robinson at Oshkosh 1n 1975. Shoot me your mailing address and it's yours, no charge. Good luck, Wayne DeLisle Sr. Charlotte, NC (oldmoparguy) ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.1901 / Virus Database: 2109/4729 - Release Date: 01/07/12