2007 YAMAHA FZ1 Electrical System Problems

IT IS COMMON KNOWLEDGE THAT THE ROTOR ASSEMBLY ON SIMILAR YEAR FZ1, AND R1 IS SO FAULTY, THAT YAMAHA REDESIGNED THE PART AND BEGAN SELLING IT. IT IS IRRESPONSIBLE OF THEM TO NOT ISSUE A RECALL ON SUCH A WIDESPREAD FAILURE COSTING COUNTLESS OWNERS HUNDREDS IF NOT THOUSANDS OF DOLLARS.

THE BIKE'S ELECTRICAL SYSTEM COMPLETELY FAILED. BUMP START WAS IMPOSSIBLE. A SUBSEQUENT INVESTIGATION PERFORMED BY SANTA CLARA CYCLE IN SUNNYVALE, CA DETERMINED THE CAUSE WAS A STATOR FAILURE. ACCORDING TO THEM, THE BEARING THE STATOR SAT ON FAILED, CAUSING THE STATOR TO ROTATE IN AN UNBALANCED MANNER, WHICH LED TO THE MAGNETS ON THE ENDS OF THE STATOR TO FALL OFF.

TL* THE CONTACT OWNS A 2007 YAMAHA FZ1. THE CONTACT STATED THAT WHILE DRIVING 80 MPH, THE CHECK ENGINE WARNING LIGHT ILLUMINATED. IN ADDITION, BATTERY FAILED. THE CONTACT NOTICED THAT THE THAT PIECES OF THE ALTERNATOR HAD FRACTURED BECAUSE OF THEY HAD DEMAGNETIZE AND FALLEN INSIDE OF THE CRANK CASE. THE VEHICLE WAS TAKEN TO THE DEALER. THE DEALER NEEDED TO REPLACE THE STATER, ROTOR AND NEEDED TO REMOVE THE OIL PANS AND TAKE OUT ALL OF THE METAL PIECES INSIDE THE CRANK CASE WHICH COULD RESULT IN AN ENGINE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 42,000. UPDATED 09/06/16*LJ; UPDATED 4/9/18*JB *TR