MY NEW 2003 YAMAHA ROAD STAR WARRIOR MOTORCYCLE EXERIENCED A CATASTROPHIC BRAKE SYSTEM FAILURE ON 7/23/03. THE MOTORCYCLE HAD APPROXIMATELY 630 MILES ON IT AT THE TIME OF THE FAILURE (CURRENT ODOMETER IS 632), AND WAS PURCHASED NEW FROM MOTOPRIMO MOTORSPORTS, MINNEAPOLIS AT THE BEGINNING OF MAY.*AK THE MOTORCYCLE EXPERIENCED DAMAGE TO THE RIGHT (REAR BRAKE) FOOTREST ASSEMBLY, AND WAS REPLACED WITH A STOCK PART. THE BRAKE ASSEMBLY CAUSED MINUTE FRICTION TO BE APPLIED TO THE REAR BRAKE ROTOR, SUPERHEATING IT. THE BREAK LINE EXPLODED, SPRAYING BRAKE FLUID ONTO THE WHITE-HOT ROTOR. THIS IGNITED THE BRAKE FLUID, CAUSING A SIZEABLE FIRE. THERE WAS NO RIDER ON THE BIKE AT THE TIME, BUT IF THIS HAD HAPPENED WHILE RIDING, THIS PROBLEM WOULD HAVE CAUSED A COMPLETE FAILURE OF THE REAR BRAKING SYSTEM, POTENTIALLY RESULTING IN AN ACCIDENT.