!(center-photo)http://atvcowboy.com/images/blog/09YFZ450Rblue.jpg(09YFZ450Rblue.jpg)!
While it's not a true race ready quad, it's more like the Suzuki than the Can-Am or KTM, it looks like a great upgrade. They did a good job of adding new features that would appeal to both the racing and casual market.
A few notable ones. 49" width. Aluminum frame. Fuel Injection. New more powerful engine.
A few sites have written YFZ450R Previews.
"ATV.com":http://www.atv.com/manufacturers/yamaha/2009-yamaha-yfz450r-preview-901.html
"ATVScene.com":http://www.atvscene.com/machines/yamaha/yfz450r_091.html
"ATVriders.com":http://www.atvriders.com/atvmodels/yamaha-2009-yfz450r-sport-atv.html