i used to ride my friend's 50, then he bought a "hybrid" ysr50 with a ysr80 motor that was retrofitted with watercooling :chuckles:
they're very fun and it's a great way to practice knee dragging and acting like a hooligan :exnbp:
if you get one, this is the place to get all your upgrades:
http://www.teamcalamari.com/