The AMA Supermoto Championship series has been dominated by Japanese and European four-stroke motorcycles. There is a notable new player on the track this year -- actually a remarkable manufacturer with a tremendous winning tradition.ATK, the only remaining off-road motorcycle manufacturer in the United States has added a new flavor to the manufacturer's mix. ATK likes to do things a little differently.In this video podcast, we spoke with Race Engineer at the July 5th AMA Supermoto opener in Monroe Washington about ATK’s supermoto racing endeavor.They are running big 700cc two-strokes in the unlimited class. And they happen to be the only two-strokes out there. ATK also have some very interesting light-weight four-strokes whose fuel and timing settings can programmed on the fly, with a laptop. Richard Harrison shared a lot of interesting information about the ATK motorcycles in this interview. Less