Perfection may not be attainable in this lifetime, if you listen to the philosophers. Our best refutation of that ridiculous argument is the YZF-R1 -- a motorcycle that represents just how close we've come to refining the 20-valve, Deltabox III-framed R1 into the rippingest two-wheeled conveyance ever released on planet Earth. The worldwide media has tripped all over itself heaping praise upon the R1 ever since its introduction, including being named Sport Rider magazine's Bike of the Year not once, but twice