I recently broke the engine on my CBR 919 and want to find out "WHY DOES MY BIKE ONLY REF UP TO 4500RPM???" Old engine nr (sc33e-2318855) and the new one is (sc33e-2001365)... So I guess that the one I have now is older than the original one! I want to find out if it could be the CDI or Carbs or whatever that causes the problem! PLEASE HELP!!!!!
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