I think the GSXR600 is actually 599cc and the 750 is like 749cc so it's still 150cc jump. But yea there's a gain of about 20hp/10lbs_tq. I went from a 2k1 GSXR600 to a 97 GSXR750 and the power gain is pretty damn noticable. I now don't want to go back to 600's anymore.
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