A distinct two-tier torque plateau is a standout characteristic of Yamaha's 998cc Crossplane-crankshaft inline-four. The sudden step in output just beyond 7,000 rpm is a wheelie-inducing burst that is effectively tamed by the R1's digital rider aids consisting of traction control, slide control and wheelie control, all made possible with the inclusion of a six-axis inertial measurement unit.
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