Question: what is the difference between a 4 cycle and 2 cycle engine?
Answer: The difference between a 2-cycle engine and 4-cycle engine is the 2-cycle only needs one revolution of the crankshaft to get to a power stroke, while a 4-cycle engine needs 2 revolutions. ... A two-cycle engine piston has only two strokes. The piston starts at top dead center (TDC) in its bore.