Which is better: Stock, aftermarket, or no muffler at all? We took our R1 test bike to the Dyno room to find out.Animated GIF by Kathleen Conner Wrist: Zack Courts MSRP (2015): $16,490 Miles: 3,082 ...
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 stayed on for an extra day at Portimao last week for a third day of WorldSBK testing, after the first two days were ...
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