Fill in the Blanks The 4 stroke engineOnline version Fill the gaps by Jorge Lorenzo Marfil 1 INTAKE spark petrol EXHAUST waste POWER burnt piston axle powe A single cylinder function : : The moves down and sucks a mixture of air and into the cylinder . COMPRESSION : The piston moves up and compresses the mixture in the cylinder . : The compressed mixture gets igntited by a plug and expands pushing the piston down : The piston moves back - up because of momentum and forces the from the petrol out of the cylinder . 4 cylinders work together to run the agd generate