<P> Two - stroke oil (also referred to as two - cycle oil, 2 - cycle oil, 2T oil, 2 - stroke oil or petroil) is a special type of motor oil intended for use in crankcase compression two - stroke engines . </P> <P> Unlike a four - stroke engine, whose crankcase is closed except for its ventilation system, a two - stroke engine uses the crankcase as part of the induction tract, and therefore, oil must be mixed with gasoline to be distributed throughout the engine for lubrication . The resultant mix is referred to as petroil . This oil is ultimately burned along with the fuel as a total - loss oiling system . This results in increased exhaust emissions, sometimes with excess smoke and / or a distinctive odor . </P>

Can you use motor oil in a 2-stroke
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