There's a nice M20 in the photos here on page 38, about halfway down the page. It seems to have fallen under the control of Americans. Note the neat little aircleaner, and the busted kickstart return spring.

http://www.g503.com/forums/viewtopic.php?f=108&t=136180&start=555

The air filter looks very much like one of the little maze filters wot is fitted to Fleas and ML's. Ron

email (option): ronpier@talk21.com