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Stroke refers to how the pistons move in the cylinder(s).

The basic meaning is the length of the piston travel. Short stroke engines can turn over faster, but long stroke engines tend to have more pulling power.

Stroke can also be used as 2-stroke and 4-stroke, which refers to the different work phases of the engine. 2-strokes give more power for their size, but they pollute more and often use more fuel. 4-stroke can be cleaner, but bigger, heavier, and have more parts.

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13y ago

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