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Fins on a motorcycle engines help to direct heat away from the engine. The concept is that creating more surface area on an engine can help to cool it down.

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Q: What do the fins on a motorcycle engine do?
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What is the reason for a motorcycle engine to have fins on its side?

well, the motorcycle's engine is comparatively small, therefore the bike will need to be designed to give the engine some help. the fins are there to make the bike more aerodynamic, meaning that it will slip through the air with less friction and allow the bike to gain higher speeds while using less fuel. Answer: If your question concerns fins on the side of the engine then they are designed to provide more surface area to the cylinder head on an air cooled engine. The greater the surface area of the engine the more the airflow can act on it and cool the engine.


Why submarines need fins?

They need fins because the engine and the fins make a good combo The fins push the water aside while the engine propells the sub forward and that's why i think Fins are nessesary in Subarines.


What is the lowest cc an engine can be before it is considered a motorcycle in AL?

Engine size has nothing to do with the definition of a motorcycle. If it has 2 wheels, powered by an engine and has no pedals it's a motorcycle.


What does a cooling fin do on a motorbike?

cooling fins are used to cool down the engine by having the cool air pass through the fins which gets transferred down to the engine, so on a motorbike like all other engine's the cooling fins cool down the engine.


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