Ok.. two times now and it's pissing me off. It been at night where it's been coldish... start up bike with choke on.. warm up.. ok.. that's fine. Ride around a bit.. back off the choke a little...then when the engine gets really warmed up (the oil temp needle is to the point where i expect it to be after a long ride).. i back off the choke more. At this point, the engine will kinda... choke... and die.. a slow and painful death until it stalls.
I find i have to keep the choke at about the half way point so that it doesn't die. Is this normal?