What is difference between two stroke and four stroke engine

Question

Accepted Answer

Two-stroke engines complete a power cycle in two strokes of the piston, while four-stroke engines complete it in four strokes.

Two-stroke engines have a simpler design and are lighter than four-stroke engines.
Two-stroke engines have a higher power-to-weight ratio.
Four-stroke engines are more fuel-efficient and produce less pollution.
Four-stroke engines have separate intake and exhaust strokes, while two-stroke engines combine them.
Examples of two-stroke engines include chainsaws and motorcycles, while cars and trucks typically use four-stroke engines.

Accepted Answer

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