Quite interesting! New 500cc motor that drops in XC-W chassis.
https://www.youtube.com/watch?v=7d3MtfgMalU
No I don't want one, I don't have a death wish.
I had a CR500, one bigbore two stroke is enough for one lifetime ;)
I just watched that earlier, $7500 for pieces. That is a very expensive engine kit.