Model(s) covered: 2007 Yamaha YZ 450 F
Yamaha has made improvements in several areas of the 2007 YZ450F, including changes to the exhaust and cam, and reducing the overall weight. However, as TWMX test rider Rich Taylor explains in the video, the biggest improvement was an increase in the height of the rear shock that improved the cornering abilities of the big thumper, cutting down on some mishandling he felt when turning on last year's model.
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