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the motorcycle engine consists of a
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piston a cylinder block and a head which
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contains the valve train
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the Pistons move up and down in the
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cylinder block driven by explosions of a
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fuel air mixture that has been ignited
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valves open and close to allow the fuel
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air mixture to enter the combustion
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as the Pistons move up and down they
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turn a crankshaft which transforms the
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Piston's motion into rotary motion
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the rotational force of the crankshaft
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is transmitted via the transmission to
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the rear wheel of the motorcycle
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the size of the combustion chamber in a
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motorcycle engine is directly related to
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the upper limit is about 1 500 cubic
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centimeters CC while the lower limit is
