WARNING: Much of the action depicted in this magazine is potentially dangerous. Virtually all of the riders seen in our photos are experienced experts or professionals. Do not attempt to duplicate any stunts that are beyond your own capabilities. Always wear the appropriate safety gear. Dirt Bike does all of its testing and photography legally on public land, or private land with permission from the owner(s), and we abide
by the local laws concerning vehicle registration and muffler/spark arrester requirements. We are not responsible for quality of aftermarket
accessories we use.
ON THE COVER: Mark Tilley gets vert on our DR.D YZ250. Photo: Ron.
ON THIS PAGE: Thad Duvall gets intimate with Jason Hooper’s long lens.
98 OAKLEY AIRBRAKE
MX JUMP HELMET
DIRT BIKE • JUNE 2013 • VOLUME 43, NO. 6
22 RIDERS WRITE
24 RAW FILES
82 SUBSCRIPTION INFO
102 NEW PRODUCTS
104 MR. KNOW IT ALL
106 2013 READER SURVEY
114 BACK IN THE DAY