Check the plug wire and boot, Check the kill switch, Check the blue and black wires. Light up a smoke and think about it for a minute. Check everything AGAIN. Finish smoke. Did I run out of gas? Look in tank, Lots of gas.
Maybe the float stuck. Check fuel flow.................Turn on petcock, start bike.
Just another day in the life of,
P.S. In my defence, I was kind of a newbie at the time.