Mickey Thompson Grand Prix

In the June 1993 issue of Dirt Wheels, we took a look at the MTGP champ and the machine he rode. Mark Ehrhardt allowed us to check out his Honda TRX250R that was built by Duncan Racing, which is still building fast quads today.
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25 YEARS AGO IN DIRT WHEELS It was quite a sight as you sat there watching from a comfortable seat. A pack of quads and riders lined up on the starting line, revving the engines of their finely tuned machines. Then, they'd all take off…
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