DEAR SIRS: ON DECEMBER 5, 2010 WHILE MAKING A LEFT TURN INTO A DRIVEWAY MY HARLEY DAVIDSON TRI-GLIDE (VIN [XXX]) MODEL FLHTCUTG (THIS MODEL # WAS NOT ALLOWED IN A FOLLOWING FIELD) ACCELERATED UNEXPECTEDLY AND TIPPED ON ITS SIDE THROWING ME OFF AND THEN INTO A FENCE. I WAS TRANSPORTED FROM THE SCENE BY AMBULANCE WITH MINOR INJURIES (BROKEN RIBS) AND THE BIKE WAS TOWED TO A STORAGE YARD. THE NEXT DAY I CALLED HARLEY DAVIDSON OF SACRAMENTO TO ARRANGE FOR THE BIKE TO BE TOWED THERE AND REPAIRED. I WAS TOLD BY THEM THAT THEY DID NOT PERFORM INSURANCE REPAIRS AND WAS REFERRED TO MID-CAL CYCLE OF WEST SACRAMENTO TO DO THE FACTORY AUTHORIZED REPAIRS. I INFORMED MID-CAL THAT THE THROTTLE HAD ADVANCED ON ITS OWN AND THEY REPLACED THE THROTTLE WIRING, THROTTLE PN 56304-08 AND THE SENSOR THROTTLE PN 32305-08A (I HAVE BOTH PARTS). I PICKED THE BIKE UP ON FEBRUARY 25, 2011 AND HAVE BEEN RIDING IT SINCE. ON APRIL 7, 2011 WHILE RIDING IN TRAFFIC IN THE CITY OF CITRUS HEIGHTS THE THROTTLE AGAIN ACCELERATED UNEXPECTEDLY CAUSING ME TO REAR-END THE CAR IN FRONT OF ME. I WAS TRAVELING AT APPROXIMATELY 20 MPH WHEN THIS STARTED SO THE IMPACT SPEED WAS KEPT DOWN. I CLUTCHED THE BIKE AFTER IMPACT AND THE ENGINE RPM?S INCREASED ABOVE 4000 BEFORE I HIT THE KILL SWITCH. NO ONE WAS INJURED IN THIS ACCIDENT. THE CAR SUSTAINED BUMPER DAMAGE AND MY BIKE REQUIRES $2000 IN REPAIRS. THIS MOTORCYCLE HAS AN ELECTRONIC THROTTLE SO I HAVE LISTED IT AS AN ELECTRICAL SYSTEM FAILURE. INFORMATION REDACTED PURS