Originally Posted by Poseidon
Suspension. By having yours set up for you proper weight makes a great difference.
+1 this is the true.
Without a suspension, all that hp will never reach the ground.\
But to put it in more practical terms, you will be able to take turns faster (ie higher entry speed), hold a line better, and just be in tune with your bike more.
Have someone check your suspension out (to set sag, preload, etc), and depending on your weight, you may or may not need different fork and/or shock springs. I did but at the end of the day, I couldn't be happier with the results.
If you want to try it out yourself, ride this: