Question: What is the function of four stroke engine?

What are the five functions of a 4-stroke engine?

Every reciprocating internal combustion engine operates through a “cycle” of five functions: intake, compression, ignition, combustion and exhaust.

What are the two main functions of a 4-stroke engine cylinder head?

They’re key to controlling air flow in and out of the cylinders and fuel deployment. The cylinder head also holds the injectors and valves – and contains more moving parts than any other part of the engine. Although largely unnoticed, the cylinder head plays a key role in your engine.

What is the main function of cylinder?

Cylinder is a part in which the intake of fuel, compression of fuel and burning of fuel take place. The main function of cylinder is to guide the piston. It is in direct contact with the products of combustion so it must be cooled.

What is 4 cycle engine oil?

Lubricating Small Engines

Oil burns up in the combustion chamber along with the fuel. A 4-cycle engine, however, has a circulating pump that keeps oil flowing through the engine while the piston is moving; this oil returns to the crankcase and gets recycled indefinitely.

What are the parts of 4-stroke engine?

The parts of a 4-stroke small engine include:

  • Piston.
  • Crankshaft.
  • Camshaft.
  • Spark plug.
  • Cylinder.
  • Valves.
  • Carburetor.
  • Flywheel.
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Does a 4 stroke engine need mixed fuel?

Four-cycle engines do not require mixing of oil & gasoline and have separate gasoline and oil tanks. … Only four-cycle engines have a separate engine oil reservoir on the back or side, with another cap (usually yellow) for checking & filling the oil reservoir.