Hi guys... what if we change the compression of a stock TRX450R to 11.9 while keeping everything else stock would it outrun YFZ450 :huh: ? Cuz i dont think its fair to compare the performance of the two quads while they have different compressions. I know for a fact that increasing the compression would give you an overall increase in power through out the RPM. So why dont Honda boost the compression for the 2005 models to 12 or atleast to 11.5?! Then TRX450R will RULE !!!!!