ALL SX/MX bikes use Nikasil, and if they don't abuse the hell out of their bikes, I don't know who does. Wide open for a 1/2 hour outdoors...each moto, plus supercross.
Granted, never rip off on any bike cold. Good idea to warm up anything, I don't care what it is...
Dunes need horsepower, Sand sucks power, Cubs make power. It's that simple!!