Parts Of A Four stroke Engine & The Four Stroke Cycle + Engine Oils And Lubrication

What is this part of the four stroke engine

Cylinder

What is this part of the four stroke engine

Crankshaft

What is this part of the four stroke engine

Piston

What is this part of the four stroke engine

Sparkplug

What is this part of the four stroke engine

Exhaust Valve

What is this part of the four stroke engine

Intake Valve

What is the first action of the four stroke cycle

Compression

What is the second action of the four stroke cycle

Exhaust

What is the third action of the four stroke cycle

Power

What is the four action of the four stroke cycle

Exhaust

Maintains an oil film between moving parts, preventing wear through metal to metal contact.

Lubrication

Cleans contaminants from the interior of the engine which enter or are formed during combustion

Flushing

Prevents blow-by loss of power and excessive oil consumption.

Sealing

Carries away excessive heat generated by the engine

Cooling

Oil contained in sump at the bottom of the engine. The revolving crankshaft churns oil into mist moving over the various engine parts.

Splash

Force-Feed

Pressure from an oil pump sends oil through the hollow crankshaft, lubricating the parts of the engine in a fine mist.