Compléter Four- stroke engine. Version en ligne Read and complete the text about four-stroke engine par Carolina Suárez 1 spark gases stroke third stroke exhaust compressed release intake four mixture remaining cylinder fuel power stages second engine four exhaust a - stroke engine is a common which works in . These are called stroke , compression , stroke and stroke . In the first step , the air and enter the . In the step , the air and fuel are . In the stage of a four - engine , heat and ignites the . Finally , in the stroke , the exhaust valve opens to the . Source : Jim D . Dearholt " Career Paths . Mechanics " Express Publishing . 201 2
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