I have a 2015 L2501 with 50 hours on it. Recently it started to sound like it was "missing" and blowing black smoke at full RPM. THIS ONLY HAPPENS AFTER THE TRACTOR GETS WARM AFTER ABOUT 10 Mins. If i back it down a couple hundred RPM, it operates normally. It runs normally at all other RPM, including Idle and all speeds between idle and say 2200. Any ideas?
