Adding to Dave's suggestion, I would suggest next time it happens you quickly shut off the fuel tap as by the time you've got off the bike and got a long screwdiver out, the fuel will most likely have filled the float chambers again!

It does sound like a classic case of starvation.
_________________
Andy.
NSR-WORLD.COM

Please keep all responses to Forum posts on the Forum so that others may benefit.

Please DO NOT PM me for technical advice. My time is precious, and you will probably receive a faster response on the Forum anyway.

Check us out on Facebook! Please "like" our page!