Shutting off after warm up

[Jens250]

Hello I am new to this forum, and I have a problem. My name is Jen and I have a 2000 GZ250 , she has 4,400 miles ONLY (she was a MSF course bike) I have owned it for 2 seasons now with no problems,until now.....

Here is my problem.

I took it to get inspected yesterday all was fine , got a sticker and left the garage. Got about a mile or two away and the bike just cuts out! like someone hit the switch. I pulled into a driveway to call my husband but no one was home so I just waited and kept trying to get her started. Finally she did and off I went, for about another 2 miles when again she cuts out. So I wait again and viola she starts, so I start again only to get another 2 miles or so. after a few more times of shutting off and waiting I finally make it back to my house which is less then ten miles from the garage that I use for inspection.
I was with the older gentleman the whole time he was inspecting my bike so nothing strange could have happened at the garage.


So I come in to the house,and start reading other posts and seeing if anything sounded the same or about the same. Which was very helpful I will add,to know some problem areas to look at.

Between my husband and I we checked all hoses to make sure they were tight and in good shape. The night before we changed the oil and added a bit too much (about .25 too much) so we drained some back out.after reading info on here. We got some sea foam and put that in and are running it through( what a smell) We took the air cleaner out and there was some oil in there so I cleaned it out and replaced air filter. We pulled the spark plug and it looked very good,normal good very slight light grey residue on the ground strap of the plug We drained the old gas out and put in 2 gallons of fresh 93 octane in there with a bit more of the sea foam. we drained the bowl a few times and the gas that came out ran clear no junk came out.

The bike runs fine untill it warms up then it wont continue to run, its just quits ,like the cut off switch was turned off. Is this an ignition issues or????? We have checked all the wires and no cracks , broken or loose wires/connections. We also checked the voltage and it goes between 13.3 to 14.2 when running.You can wildly twist the throttle,to try to keep it running with the only result being a flodded engine.If you are riding along and it starts to cary on,and you try to give it a big twist on the throttle nothing changes. It is exactly if you are turning the switch off and on while riding in any gear.Also when in neutral sitting at idle it will just shut down,same way as if the switch was shut off.Most of the time unless you flood the engine it will start right back up.
This only goes on after the bike is warmed up.

Pleas help, thanks in advance for your replys