Yamaha claims more power from this track-oriented superbike. It has an all-new engine with bigger cylinder bores, bigger valves, a higher redline, and lots of other go-fast mods. So how much power ...
Yamaha jump-started the liter-class sportbike segment 21 years ago with its original '98 YZF-R1. Over the years it evolved, at times teetering toward a more street or track focused design depending on ...