Maybe it's time for this:
http://www.binder-flugmotorenbau.de/58.html?&L=1
At 11:25 27 July 2015, Neil Braithwaite wrote:
Anybody happen to have a Rotax 535C cylinder head gathering dust
somwhere, or know of a contact that may have? As fitted to DG500M,
Janus CM etc. Not having any luck sourcing one in Europe.