VIDEO: Aprilia RSV4 vs. Honda CBR1000RR vs. Suzuki GSXR1000 vs. Yamaha YZF-R1 | Superbike Showdown!
https://www.youtube.com/watch?v=TkXT2zef3bo SOURCE: Cycle World Aprilia RSV4 vs. Honda CBR1000RR vs. Suzuki GSXR1000 vs. Yamaha YZF-R1 | Superbike Showdown! "Yamaha's class-leading YZF-R1 attempts to fend …