What is the difference between 2stroke and 4stroke engines

Question

Accepted Answer

2-stroke engines have a power stroke every revolution, while 4-stroke engines have a power stroke every other revolution.

2-stroke engines are simpler and lighter than 4-stroke engines.
2-stroke engines have a higher power-to-weight ratio than 4-stroke engines.
4-stroke engines are more fuel-efficient and have lower emissions than 2-stroke engines.
Examples of 2-stroke engines include chainsaws and dirt bikes, while examples of 4-stroke engines include cars and lawnmowers.

Accepted Answer

The main difference between a 2- and 4-stroke engine is that a 4-stroke engine goes through four stages, or two complete revolutions, to complete one power stroke. A 2-stroke engine goes through 2 stages, or one complete revolution, to complete one power stroke.

What is the difference between 2stroke and 4stroke engines

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