"Althought the raptor is a 660cc the yfz has a bigger bore displacment on it. the YFZs displacement is 11:0.1 were the raptor stock is 9:0.1, so almost equaling them out in displacement output. Plus the 450 is 350 pounds!
No reverse would suck for trails though."
the yfz is 11.4.1 and the...