Why single-cylinder two stroke engines are mostly used in Two-Wheelers?



Why single-cylinder two stroke engines are mostly used in Two-Wheelers?
Most the manufactures prefer single-cylinder two stroke engines because of the following reasons:
·         A two-stroke cycle engine is more compact than a four-stroke cycle for the same amount of power handled. Therefore a two stroke cycle engine is preferred of a four stroke cycle engine in a two wheeler as it requires less space.

·         Two-wheelers, i.e. scooters, mopeds and motor cycles, are light duty vehicles to carry one or two passengers. A single cylinder engines enough power to carry such loads.


·         A petrol engine runs at a lower compression ratio than a diesel engine ratio than a diesel engine. Therefore, the weight –power ratio of petrol engine is less than a diesel engine.

·         A lighter engine makes the vehicle lighter. Hence for the same tractive force, a two-wheeler gives higher acceleration.


·         An air cooled engine does not require water. Radiator and water circulating pump. Therefore the weight power ratio of an air cooled engine is decreased.

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