Never tried motocross Joss, scared the crap out of me just watching it. So fair play to ya. Always been a road rider, and a massive fan of road racing.
Kawasaki kh 500 I remember it well, I’ve never rode one, but had a kh 250 which was bad enough.
The last road bike I had was a 2007 suzuki GSXR K7 which is the one that nearly killed me.