Watch: Roczen vs Pastrana - RM Zilla vs. Factory 250cc

Is a Factory 250cc faster than the RM Zilla 500cc? Ken Roczen and Travis Pastrana ride the RM Zilla to see how fast it really is. Both of these Suzuki bikes are legends, and we've always wanted to see how close they really are. Ken is one of the best riders on the planet and is the perfect person to test each. Which one do you think will win?

Image: Suzuki