One might assume that there is only one way for an engine's crankshaft to work, but that is not the case. In actuality, there are two different crankshafts: flat-plane and cross-plane cranks.

But in 2012, Yamaha swapped the engine for a new one: the 1000cc liquid-cooled in-line four-cylinder with cross-plane crankshaft engine, which pushes out over 270 horsepower. Read more ...