Gasoline machine four - stroke lawn mower
Lubricants play the role of lubrication, cooling, sealing and cleaning in the engine, bearing wear and service life. 3, combustible mixture composition of the difference between the four-stroke engine is gasoline, air composition of the combustible mixture. The two-stroke engine is a combustible mixture of gasoline, oil and air.
Lubrication method of the difference between the four-stroke engine piston link mechanism using crankshaft splash lubrication; camshaft, rocker, valve, etc. using pump pressure lubrication. Two-stroke engines are generally mixed with lubrication or separate lubrication. In terms of separation and lubrication, the crankshaft crankshaft connecting rod assembly, cylinder, piston assembly and so on are * oil, gasoline and air to form the mist mixture to lubricate
Camshaft in the rotation process, into the exhaust cam to push the rocker swing, and under the action of the valve spring, so that the intake and exhaust valve timing opening and closing. Two-stroke engine into the crank box of the mixture in a certain pressure, through the movement of the piston to control the intake and scavenging opening and closing, to complete the scavenging and exhaust process
Mower gasoline engine four-stroke and two-stroke difference between the two engines in the gas, lubrication and the composition of the difference between the gas 1, the difference between the valve mechanism four-stroke engine through the timing chain will be the rotation of the crankshaft transmission to the camshaft ,
