Ok my question is what would it take for a trx250r to have more tourqe and more speed than a 2006 450r???? Whats the bare minimun for the 250r to beat it?? Also how much power and top end does a 12.7mm stroker crank add???? thanks

 

It would not take too much to beat a 450r. My neighbor has a 330 kit on his 250r and it absolutely smokes 450's. It will even take quadzillas. If I knew how to post a video I have him raceing 450's and quadzillaz at the dunes and no one could touch him. They even have 318 kits that would do the trick.

 

but what year is the 450r that he is racing because they changed the quad alot from 05 to 06 huge difference...that thing must fly though just make sure you have the right setup if you are going to build one and all should go well sounds like the 330 is build to kill.