I did say that I didn't manage to get proof of that bit.
But he definitely did ride Yamahas at some point when the guys from Motley Crue sponsored him and bought him 2 YZ's.
But I'll delete that part so nobody thinks I'm trying to rip them off in some way.
Not that it makes it worth any more, but for interest sake, I just emailed Micky to see if he remembers.
$150.00 for this weekend, then I'll slap it on eBay.