FWIW, I have one hr in the Katana.
Climb was a little anemic on a hot day.
Kind of nice to doodle around in but wouldn't do a long xc in one.
Coming to think of it, neither in a 152, done that enough now.
Rotax has a bit of a checkered history,
sudden stoppages and connecting rod failures. They deliver them in the US now with a continental or lycoming.