Mitch Klempf has been in touch as follows:
I have a few more parts for the bikes that I would like you to put the word out for me. A couple of back in stock items.
60-3558A X75 breather pipe assembly. Here is a link from our website. http://www.klempfsbritishparts.com/hose-breather-assy-73-x75-0
97-4463 bottom fork yoke and stem for T150V disc brake front end.
http://www.klempfsbritishparts.com/YOKE–BOTTOM–T150V–DISC-BR-0
These are NOS.