I remember desmodronic valves in Mercedes GP cars and GP bikes… But those were both four strokes.
Any idea what the desmodronic element is here?
Here’s an excerpt from tKart.
It’s designed by Roland Holzner, so that’s cool. Heres another one he’s designed:
Looks like XRM sell these in the US
https://www.xrmracing.com/product/lke-black-rock-kz-shifter-engine/
/edit desmodronic relates to the gearbox, although I’m still not sure what that means… maybe poor translation…