What's the difference between a vacuum and a Harley Davidson? The position of the dirtbag

So a Harley Davidson rolls into a bar and the bartender asks what it'd like. RUM RUM RUM RUM RUM RUM RUM

Harley Davidson creator dies and meets God The Creator of Harley Davidson dies and meets St Peter at the pearly gates. Peter asks him

An inventor of the Harley-Davidson motorcycle Arthur Davidson