Thumper Racing Tag

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10 THINGS YOU NEED TO KNOW ABOUT HOPPING UP...

Feb 26, 2013Comments off325 Views

  (1) Hopped up gas. There isn't an easier performance mod than pouring VP Racing's oxygenated race gas in the tank. It only takes a

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WE RIDE THUMPER RACING’S BIG-BORE YAM...

Dec 08, 2011Comments off972 Views

The YZ310F wasn?t built for a chassis test. MXA left the suspension stock. The motor, on the other hand, was a three-grand endeavor, not including