The 2009 Yamaha YZ250F is so solid on every platform that it's practically unshakable. Motorcycle USA tests the new 4 stroke yamaha at Racetown 395 Check out the video and then read the full review at www.motorcycle-usa.com.

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An all-new chassis highlights a whole slew of changes for the 2009 KX250F. Motorcycle USA Tests the new dirt bike. This bike is building off a massive championship year in 2008. Check out the video and then read the full review at www.motorcycle-usa.com.

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