went out for the second ride on the ext 580/prowler 440 remix yesterday, ran great all day!! At the end of the day on the way home it died. We got it running again and rove about 4-5 miles when it started to go slower and slower. It got to the point where it could not drive and carry a person. We haven't torn it down yet, but it seems there is no compression on the clutch side. We think it is pistion scoring, or possilby crank seal gone. Anybody have similar problems? Any opinions?