This bike is in excellent condition. Has had a complete tune up (plug,points and cond.,filters,fluids)and runs fine, except that it always stalls after the first few minutes of running. It will sometimes restart with the choke on or will only start after a spray of starting fluid in the cylinder. After that it will run and restart all day without problems. The stalling has no bearing on the amount of warmup time or temperatures.
Any suggestions please?