What is MotoGP™ Engine Displacement? Learn how engine size affects competition, performance, top speeds, power delivery, regulations and the evolution of MotoGP™ racing.

A gas engine's cubic inch displacement measures the number of cubic inches of air that are displaced by an engine in a given cycle.

The 318 Detroit Diesel is a 9.3-liter 2-stroke diesel V8 that made 318 hp, and it was popular for its inherent 2-stroke advantages, such as reversability.

One common designation that can be found on many vehicles is the abbreviation CID. This stands for Cubic Inch Displacement. Many people often use this term to refer to an engine's overall size ...