Some of the more celebrated builds to grace Yamaha's vaunted lineup come from the manufacturer's wide-ranging R Series, including the YZF R6 and more recent YZF R7. Since those bikes rolled off ...

But, how do those numbers compare to its predecessor, the Yamaha R6? If you find the performance numbers of the Yamaha R7's advanced CP2 engine a bit lackluster, you might find the R6 more ...