In the picture you can see the magnet on the trailing edge of the coil relative to the piston position. Now it is firing on the downward stroke. Yesterday I think it was doing it at the bottom of the stroke. Sounds like it is slipping?
I have a GX390 that was left outside. Water leaked into the crankcase from two missing bolts on the exhaust header. It was seized. I flushed out the crankcase and gas tank, rebuilt the carb and it started fine and ran fine in my shop.
I took it out to use it and it won't start. I have had the...