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YZ450F: The theory of revolution

When an existing design approaches its limits, it’s time to call in the revolutionary thinkers. The creative minds who aren’t afraid to throw everything out and start from scratch.

Which is exactly what happened with the latest incarnation of our championship dominating MX bike. Accepted wisdom has been turned on its head to produce our most effective motocross bike yet. Meet the revolutionary new 2010 YZ450F.