NHTSA Complaint #10346160 — 2009 YAMAHA YW125

THE VEHICLE WILL START UP MOST OF THE TIME AFTER BEING PARKED FOR EXTENDED PERIODS OF TIME, BUT AS THE VEHICLE IS BEING USED REGULARLY DURING THE HOTTEST PART OF THE DAY IT WOULD STALL WHILE AT A LOW SPEED OR IDLE. THE PROBLEM GETS WORSE OVER TIME, AND EVENTUALLY IT WILL STALL WHILE AT FULL THROTTLE AND WILL NOT RESTART AFTER SEVERAL ATTEMPTS. THE VEHICLE HAS STALLED ON ME ONCE WHILE ON A 45MPH STREET AND ONCE ON AN INTERSTATE HIGHWAY IN THE SLOW LANE WHILE AT GREATER THAN 55MPH. ON THE LATER OCCASION I WAS STRANDED ON THE SIDE OF THE HIGHWAY AND HAD TO PUSH THE VEHICLE ALONG THE SIDE OF THE ROAD BACK TO THE DEALERSHIP DURING THE NIGHT AFTER SEVERAL FAILED ATTEMPTS TO START IT UP. I HAVE ALSO HAD THE VEHICLE STALL IN THE MIDDLE OF A BUSY INTERSECTION DURING HEAVY TRAFFIC WHILE TAKING A LEFT HAND TURN. I HAD TO WALK THE VEHICLE TO THE SIDE OF THE ROAD TO PREVENT AN ACCIDENT. I HAVE SINCE TAKEN THE VEHICLE TO THE SERVICE SHOP FOR WARRANTY REPAIR ON MULTIPLE OCCASIONS TO SOLVE THIS PROBLEM. THEY HAVE REPLACED THE FUEL PUMP, THROTTLE BODY, BATTERY, ECU, AS WELL AS REGULAR MAINTENANCE TO TRY TO RESOLVE THIS PROBLEM. THE PROBLEM PERSISTS AS OF THIS COMPLAINT AS THE SERVICE SHOP HAS NOT SUCCESSFULLY REPAIRED THE VEHICLE. I DO NOT HAVE POSSESSION OF THE OLD PARTS THAT WERE REPLACED UNDER WARRANTY. THE VEHICLE IS A 2009 YAMAHA ZUMA 125 SCOOTER WITH APPROXIMATELY 6400MILES. *TR