Yesterday, while riding, I heard a pretty loud pinging coming from the top end. I parked it. Today, I went to see if it would do it again, and sure enough, when I got on the gas down the street, it started doing it again. Plus, I have no mid or top end power. It just won't go, and the that's when the pinging starts, when I try to get on the gas. It will start and idle fine and does not make the noise if you rev it while sitting still. Could it be the rings? I have not done a compression test, but I am pretty sure there is a crack in the left side engine case. It has been leaking 2 stroke oil since I got it running about three months ago. Also, I know it needs crank bearings. I replaced the crank seal behind the stator and while doing that, I noticed that you could move the crank a little up and down. This is my first Blaster but I always have been able to fix anything. I just don't know much about 2 strokes. Yet. Thanks. Sorry about the long thread, but I am trying to be as thorough as I can in describing the problem.
