2011 Yamaha YZF-R1, YZF-R1 AR - THE BARK IS BAD, THE BITE IS BADDER Forget everything you ever knew about the super sport liter class. The all-new YZF-R1 is unlike anything before. That?s because it?s the world?s first production motorcycle with a crossplane crankshaft. The result? Incredibly smooth power delivery and outrageous torque for a rush like you?ve never experienced.
