Ok guys, i have a strange problem, see what you think. On a 2001 heritige, bored to 95, stock carb w/ new jet needle, andrews tg21 cam, vance - hines exhaust, about 40 k. Mi.
On the highway at any speed over 62 mph it will run for about 3 -5 minutes and act as if it was out of gas. Pull in the clutch, wait 20 seconds, and it will run normally as long as i don't go over 62. It will do this every time over 62 mph. I have a pingle fuel valve and no vacuum line. Have checked for water in the fuel, and drained and re filled with fresh gas. And have a new gas cap.
Any ideas would help