I OWN A 2005 SUZUKI GSX-R 750CC SPORTBIKE MOTORCYCLE AND IM HAVING ISSUES WITH THE CHECK ENGINE LIGHT GOING ON. I TOOK IT TO THE DEALER WHO DIAGNOSED A C28 ERROR WHICH IS A FAULTY THROTTLE VALVE ACTUATOR. APPARENTLY THIS IS AN ISSUE WITH MANY 04-05 SUZUKI GSX-R OWNERS. THE ENTIRE THROTTLE BODY MUST BE REPLACED FOR WHAT MANY PEOPLE BELIEVE TO BE A DEFECT IN THE DESIGN OF THE ACTUATOR. SOMEHOW THE SOLDERING POINTS ON THE CIRCUIT BOARD BECOME LOOSE OR COME APART DUE TO VIBRATION. THIS PART IS PART OF THE EMISSIONS SYSTEM OF THE MOTORCYCLE, AND SUPPOSEDLY IS COVERED UNDER SUZUKIS 5-10 YEAR OR 18,000MILE EMISSIONS WARRANTY. HOWEVER SUZUKI DOES NOT BELIEVE THIS PART TO BE A MASS PROBLEM OR AN ISSUE WITH THEIR DESIGN. I AM COMPLAINING BECAUSE MANY RIDERS DO HAVE THIS ISSUE AND IT CAN BE DANGEROUS TO BECOME STRANDED OR WORSE FOR HAZARDOUS FUEL LEAKAGE TO OCCUR. WE NEED A RECALL ON THIS PARTICULAR ISSUE FOR THESE MOTORCYCLES. *TR