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What is The Bore and Stroke in a Bike Engine?


The bore and stroke of a bike engine are two of the most important dimensions that determine its performance.

Bore: The bore is the diameter of the cylinder. A larger bore means that more air and fuel can be taken into the cylinder, which can lead to more power.

Stroke: The stroke is the distance that the piston travels from the top of the cylinder to the bottom. A longer stroke means that the piston has more leverage to turn the crankshaft, which can lead to more torque.

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