Unless you are still cave dwelling, you have undoubtedly heard the news that Supercross superstar James Stewart will be joining the mighty JGR Motorsports squadron for 2012 and beyond… Well, the time has now come for the team to begin testing and preparing the SX Champ’s highly-modified Yamaha YZ450F for the first race of the season, which will take place at Anaheim Stadium on January 7th. James is so ecstatic with testing thus far that he invited us out to his home track in Florida recently to take a look at his progress. Check out the photo gallery to see James ripping on his new steed!

Story and Photos by Garth Milan

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Just like we promised yesterday, here is a photo gallery of James putting the all-new, completely redesigned 2010 Yamaha YZ450F through its paces at the Yamaha test track in Corona, CA. Enjoy!

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