Motocross is a sport that is never short of a little controversy. Even some of the brightest stars to ever throw a leg over a dirt bike have been in the headlines over the years for all the wrong reasons, both on, and off the track. Over the years we have seen countless numbers of riders tipped for stardom drop of the face of the earth. Some are overwhelmed by the fame and money forced upon them at such a young age. Some riders have let their destructive personalities cut short promising careers, and ruin the lives of themselves and others in the process. Some have been thrust into the papers as victims of the outrageous rulings. Either way, all of the riders on this list will not just be remembered for their talent on the motocross track. Motocross is like any sport, it has its characters. Those who have the god given talent to make it to the very top, but can't help themselves becoming embroiled in controversies on and off the track. Here we take a look at some of the most controversial figures in motocross, focusing on the moments that cemented them into the sport's history, for whatever shocking reason that may be.