2007 Yamaha YZFR1

I ALMOST DROPPED THE BIKE WITH MY SON ON THE BIKE WITH ME IN A INTERSECTION AND WAS ALMOST STRUCK BY ANOTHER VEHICLE DUE TO THE LOAF IN THROTTLE IN FIRST GEAR. THE BIKE STUMBLES AND MISFIRES FROM IDLE UP TILL AROUND 2000 RPMS. THIS HAS HAPPENED SEVERAL TIMES. I HAVE NOTIFIED YAMAHA DIRECTLY WITH NO HELP. THEY STARTED CHANGING OUT THE COMPUTERS IN THE BIKES THEN THEY STOPPED. I JUST BOUGHT THE BIKE WITH THE EXTENDED WARRANTY. THIS IS A VERY DANGEROUS PROBLEM ESPECIALLY HAVING MY CHILD ON THE BIKE WHEN THIS TOOK PLACE. WE WERE LUCKY THAT WE BARELY WERE MISSED BY A CAR DUE TO THE BIKE STUMBLING AND SHIFT OFF IN THE INTERSECTION AS I WAS MAKING A LEFT HAND TURN. IT TOOK EVERYTHING IN ME TO PREVENT MY SON FROM BEING STRUCK BY THE ONCOMING VEHICLE. THIS IS A MAJOR PROBLEM WITH THE 07 AND 08 MODELS. THERE ARE FEW COMPLAINTS PROBABLY DUE TO THE OTHER OWNERS DIED ON THIS BIKE BEFORE BEING ABLE TO FILE A COMPLAINT. WE WERE ON A CITY STREET AT A INTERSECTION. AS I WENT IN MOTION THE BIKE STALLED IN THE MIDDLE OF THE INTERSECTION AND ALMOST HIT US BOTH KILLED. THEY NEED TO RECALL THESE BIKE AND PERMANENTLY FIX THEM. *TR

THE 2007 YAMAHA YZF-R1 HAS SIGNIFICANT LAG OR AFLAT-SPOT" IF YOU WILL AT APPROXIMATELY 48 MPH IN SECOND GEAR. ANY ATTEMPT TO ROLL ON THE THROTTLE AT THAT POINT WILL RESULT IN THE BIKE NEARLY STALLING AND OR CUTTING OUT BEFORE SLOWLY ACCELERATING. THIS CREATES A DANGEROUS SITUATION FOR ANY OWNERS OF THE MOTORCYCLE. IF YOU EVER HAD TO ACCELERATE OUT OF A PROBLEM AT THAT SPEED, YOU MIGHT AS WELL JUST BRACE FOR IMPACT. ALSO, 45 MPH IS A VERY COMMON SPEED LIMIT IN OUR LOCAL AREA, AND IT WAS NOT A PLEASANT FEELING WHEN YOU ROLL ON THE THROTTLE AND NOTHING HAPPENS. KEEP IN MIND, MY 10 FAILURES IS JUST THE BEGINNING. IT IS 10 AND COUNTING. *AK

MY 2007 YAMAHA R1 MOTORCYCLE HAS THROTTLE RESPONSE LAG IN 2ND GEAR AT ABOUT 50 MPH. I EXPERIENCED THE LAG WILL RIDING AND NOTICED THAT WHEN I WAS GIVING THE ENGINE THROTTLE I RECEIVED NO RESPONSE FOR ABOUT 4 SECONDS. WHEN I DID FINALLY RECEIVE THROTTLE RESPONSE, I WAS APPLYING TOO MUCH THROTTLE (BECAUSE I WAS INITIALLY NOT GETTING ANY RESPONSE) AND THE MOTORCYCLE ACCELERATED SO QUICKLY THAT IT ALMOST KICKED ME OFF (THE MOTORCYCLE POPPED A WHEELIE). AFTER THE EXPERIENCE, I DID NOT THINK TOO MUCH OF IT UNTIL I READ ABOUT THE PROBLEM ON THE INTERNET. AFTER READING ABOUT IT, I WENT OUT RIDING AND WAS ABLE TO REPRODUCE THE THROTTLE LAG ON COMMAND. THE THROTTLE LAG RESPONSE TAKES PLACE IN SECOND GEAR, 50 MPH, AND 5500 RPMS. THE ISSUE ABOUT THE PROBLEM IS THAT WHEN THE THROTTLE FINALLY KICKS IN THE USER HAS THE THROTTLE FULLY OPEN IN AN ATTEMPT TO COUNTER ACT IT AND THE MOTORCYCLE RESPONDS VIOLENTLY. THE RIDER COULD BE KICKED OFF THE MOTORCYCLE IF THEY ARE NOT PREPARED. *JB

THIS MOTORCYCLE CONSISTENTLY REFUSES TO ACCELERATE WHEN IN SECOND GEAR AT APPROXIMATELY 550RPM OR 49 MPH. THERE IS A SUBSTANTIAL DELAY IN RESPONSE AND A VERY SLOW INCREASE IN SPEED UNTIL NEARLY 70 MPH IS REACHED WHEN IT STARTS TO ACCELERATE AS NORMAL. THERE ARE NO FAULT CODES OR ANY OTHER ABNORMAL INDICATIONS, AND THIS CAN BE RECREATED AT ANY TIME. THIS POSES A SIGNIFICANT HAZARD FOR COLLISION AVOIDANCE AS WELL AS MERGING WITH EXISTING TRAFFIC. *TR