These are the most basic engines used in cars & bikes i.e Four stroke cycle petrol engine OR 4 stroke engine(often called). It is very easy to understand until & unless you wanna do all the thermodynamic calculations & all that stuff ! 4 Stroke Engine :- Animation – 1. Intake  2.Compression  3.Power  4.Exhaust ! Credits … Continue reading How does a 4 stroke engine work ?