A 2-stroke engine completes a power cycle in two strokes of the piston, while a 4-stroke engine completes it in four strokes.

• 2-stroke engine: Combustion occurs every revolution of the crankshaft.

• 4-str...read more

A 4 stroke engine needs to circulate oil throughout to lubricate these moving parts, whereas a 2 stroke engine only needs to lubricate the components internal of the combustion chamber, which is achie...read more