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Engine displacement is a measurement of the amount of space displaced by the movement of a piston. It is traditionally used to differentiate between classes of motorcycles but isn't always indicative of performance. [[Two stroke]] | Engine displacement is a measurement of the amount of space displaced by the movement of a piston. It is traditionally used to differentiate between classes of motorcycles but isn't always indicative of performance. [[Two stroke]] [[motorcycles]] often are able to have quite lower engine displacements and reach the same level of performance of comparable [[four strokes]]. | ||
Displacement = radius squared x 3.14 x stroke x number of cylinders. | Displacement = radius squared x 3.14 x stroke x number of cylinders. |