Learn how a 4 Stroke Engine Works in this educational video from dizzo95.
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Female Speaker: A four stroke engine. The type of motor found in most automobiles use this four stroke in its power cycle. Intake compression, power and exhaust, during the intake stroke descending piston sucks in an air and fuel mixture through an intake valve the valve closes and the piston rises compressing the air and fuel to an explosive level the power stroke begins just before the piston reaches the top when the spark plug ignites this mixture. The resulting explosive force pushes the piston down which turns the quick shaft in the last stroke exhaust valve opens the piston rises pushing up the burning gases until at the top so its stroke the exhaust valve closes the intake valve then open and the four stroke cycle begins again.
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