Whoa, this is weird: I'm starting my engine with the pull start and it starts backwards sometimes. Now I know the engines are able to run backwards but my pull start isn't wrong! My only hypothesis is that the piston is on the the upstroke and fires too early, turns the crank the other way and keeps goin, but that would require the owb (one way bearing) to be slipping for it to be able to move in reverse.
I cut the engine tried again and it was normal! Talk about weird. Has this happened to anyone else?