...i ran it for quite a while in my a50...loved it!!
..had been running it in my 50cc s9, with a 743-20-30 belt..LOVED IT!!!..
..had a drastic torque loss the other morning, right out of the hole...was fine the day before...i had ridden 70
miles that day..
..found the belt was SHOT!!..cracked and striped..didnt notice this then, but i found it during last evenings inspection...
..i got a topic about it in the s9 board...
http://www.kymcoforum.com/index.php?topic=6492.msg67565#new ..i think the belt was too much for it...i dunno...