Operation two-stroke engine
two-stroke engines are piston engines, unlike the four-stroke, where the cycle of work includes: intake, compression, explosion and exhaust, the only two-stroke engine includes intake and compression.
In two-stroke engines, the upstroke of the piston causes it to compress the air / fuel mixture, previously introduced into the cylinder. At the same time and due to the movement of the piston, there is vacuum in the crankcase (deposit of lubricant oil) engine, forcing air into fresh mixture and gasoline from the carburetor, through a pipe fitted with a valve opening by itself suction. During the upstroke carried out two stages of labor, ie, compression and admission.
Lubrication of these engines is done when the oil mixed with gasoline, it evolved in the burning of fuel. Due to the speed of the mixture, the oil is deposited on cylinder walls, piston and other components. This effect is benefited by the high temperatures of the parts to be lubricated.
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