r&D racing Tag

genius

MXA TEAM TESTED: R&D GENIUS THROTTLE B...

Nov 21, 2014Comments off735 Views

R&D's elliptical barrel rotates inside the throttle body’s venturi

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MOTOCROSS ACTION WEEKEND NEWS ROUND-UP: LOC...

Nov 09, 2014Comments off710 Views

We gotta find our own way in this crazy world

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INSIDE SECRETS OF THE INNOVATIVE R&D G...

Feb 26, 2013Comments off1235 Views

You?ve heard of Dean Dickinson?you just don?t know it. Dean's dad, Rudy, was one of the pioneer tuners of the two-stroke era. What Rudy learned,

MOTOCROSS ACTION’S MID-WEEK REPORT (...

Oct 25, 2011Comments off83 Views

By John Basher PHOTO OF THE WEEK     Sean Kranyak (12) and Jeff Pestana (13) blast a berm during our 250 Four-Stroke Shootout at Zaca

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FUTURE TECH: R&D’S INGENIUS THRO...

Sep 27, 2011Comments off829 Views

No butterfly means absolutely no obstruction to the airflow at 100 percent throttle opening. Given the fact that most motocross bikes use almost identical fuel-injection