Image The Whoop Monster did provide one very useful service. No, not by encouraging the riders through the area, but by supplying the only two-stroke sound that we heard all weekend via his custom chainsaw's exhaust. Related: Spring Creek MX Millville MX Nationals Pro Motocross Championship 2006 Whoop Monster Use keyboard arrow keys to browse the gallery. Swipe to browse the gallery. Prev Next 6 of 40Autoplay Autoplay SlowMedFast Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter GuyB 8/16/2006 3:14pm Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter