Can anyone explain this? I'd been runing it around the front of my house, it was back firing and having issues, finally I went and bought some new plugs the same kind that were in, NGK 8EAS I think it was? That helped alot, she was now running much better, but still some backfireing, probably from all the unburned fuel in the pipes of the one cyl, I don't know? I decided I need to run it around the block, she pulled away strong and had lots of power finally, but then stopped suddenly, all electrical is out?? I tested the battery, its 12.7 volts. What could be the issue? Do you think the rectifier went out? I checked the 3 fuses, they are all good