WHILE TRAVELING DOWN A FREEWAY A SLIGHT VIBRATION WAS FELT WHEN THE SUSPENSION UNLOADED. THE VIBRATION SUDDENLY TURNED IN TO A BUCKING FROM THE BIKE'S REAR AND THE DRIVE SHAFT FROZE, LOCKING THE REAR WHEEL. SMALL FLAMES WERE NOTICED FROM THE FORWARD SWING ARM BOOT WHICH SELF EXTINGUISHED. INSPECTION SHOWED THE FORWARD UNIVERSAL JOINT FAILED AND THE ROTATING DRIVE SHAFT TORE THE SWING ARM. *TR