This is crazy fast! Fastest dirtbike ever?

Jdawg73628 · Nov 19, 2011

http://www.youtube.com/watch?v=A0d3B7MPqUg&feature=related Check this guy out on a Yamaha R1 converted to a dirt version of the R1. This looks like a well built machine.

John250 · Nov 20, 2011

Bet he could holeshot the vet class on that thing. Guys have been using R1 motors in Hillclimb bikes for a long time now.