Q:

How many HP is 150cc?

A:

A 150 cubic centimeter engine has a power output of approximately 10 horsepower. According to SI Metric, 1 horsepower equals between 15 and 17 cubic centimeters.

Cubic centimeters refer to the volume of the cylinders within an engine, and they do not equal an exact power output. Though the size of the cylinders in an engine plays a major role when it comes to the power output, it is not the only facet that needs consideration. Determining the exact conversion between cubic centimeters and horsepower involves examining the overall size of the engine, how well the engine is tuned and the type of fuel used. Fuel type is an important factor to consider, as it has the potential to greatly affect the engine’s horsepower. For example, an engine that has 150 cubic centimeter cylinders and uses a volatile fuel type, such as nitrous oxide, has the potential to achieve a significantly higher horsepower than an engine using standard fuel.

There are also several definitions of horsepower from which one can choose, including brake horsepower and shaft horsepower. Brake horsepower is the output before other elements of the engine begin impeding the overall power, while shaft horsepower refers to diesel engines.

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