Finally got my 15 yo son's Honda Xr80r dirtbike running today. He got it months ago and it has never really ran. We tried everything. I felt like a failure. I call myself handy and I can't fix a simple dirtbike? Turns out , the exhaust was clogged from back when it was burning oil. Now it runs great, has a new carb, new rings, and we both learned so much. It was a roller coaster. Delayed gratification feels good.