Each stroke requires approximately 180 degrees of crankshaft (or flywheel) rotation, so the complete cycle would take 720 degrees.
(Each stroke; requires; approximately 180 degrees of crankshaft (or flywheel) rotation) (the complete cycle; would take; 720 degrees)
Each stroke the complete cycle
requires would take
approximately 180 degrees of crankshaft (or flywheel) rotation
720 degrees