CB cuts out while riding

[Frulk_imp]

At lunch I went and filled up the bike as much as possible. Had a pump that had a really good slow speed flow which allowed me to put it on the center stand and trickle the gas and filled up the tank as full as I've EVER had it. Used 91 Octane as I always do. Drove back to work and parked bike for 4 hours. after work came out and bike was sitting in the sun and afternoon heat topped out at 93 degrees. Started fine and took off but about a hundred yards down the road bike started to stutter and just died. Turned starter over and it slowly started back up. Revved it a couple of times and took off again. Once more it cut out. Coasted off to the side of the road and opened tank to release pressure/vapor lock?. Started bike again and took off and kept the RPMs a little higher. Drove the 8 miles home without incident.

Thoughts on cause? Anybody else have this happen?