REAR WHEEL DRIVE BELT BROKE AND LOCKED UP REAR WHEEL--MOTORCYCLE SLID SIDEWAYS IN A STEEP TURN AND HIT THE GUARD RAIL. MOTORCYLE THEN BOUNCED BACK INTO THE ROAD AND WRECKED AND INJURED MOTORCYCLE AND RIDER FOLLOWING. OVER $150,000 IN PERSONAL INJURY EXPENSE. SINCE THE ACCIDENT I HAVE PERSONAL KNOWLEDGE OF THIRTEEN OTHER SIMILAR INCIDENTS WITH 2001 HARLEY-DAVIDSONS HAVING THE BELTS BREAK, SOME OF WHICH HAVE CAUSED PERSONAL INJURIES.