Thunder Valley Motocross Preview 2012

In the first few years of racing at the facility, the combination of heat and altitude caused the fuel in some motorcycles to literally boil. Stewart is currently undefeated, having won all four motos through the first two rounds of competition.See all...

In the first few years of racing at the facility, the combination of heat and altitude caused the fuel in some motorcycles to literally boil. Stewart is currently undefeated, having won all four motos through the first two rounds of competition.
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