Yamaha YFZ450

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The Yamaha YFZ450 is a four-stroke motocross bike manufactured by Yamaha Motor Company, introduced for the 2004 model year.[1] By the end of the 2004 ATV racing season, three of the four National Championships were won by riders riding the YFZ450: Keith Little, Brandon and Bill Ballance and Brett Oakley including John Browka.[2]


  1. ^ Putter, Eric (12 December 2003). "2004 Yamaha YFZ450". Motorcycle USA. Retrieved 10 April 2015. 
  2. ^ "The first look at the 2006 Yamaha YFZ450". atvriders.com. 2006. Archived from the original on 7 April 2007.