I have watched it work. Got gas in the Wing, about two blocks later it seemed to be running on 3 of the six cylinders, I barely got it home. Dumped in some SF and let it run and in about five minutes, all was well. My bikes and car sit from Nov to April every year, with Sta-bil only, I would sometimes have carb issues or at least it would be a very hard time starting and running smoothly. After also including SF, there has been zero issues.
For storage, I use about 1/4 can per bike and 1/2 per car.