Air is interned in the combustion chamber during the intake stroke.

• During the intake stroke, the piston moves down and air is drawn into the combustion chamber.

• This air is then mixed with fuel and ign...read more

Intake stroke is the very first stroke in which air enters the combustion chamber

Intake stroke: the intake stroke draws air and fuel into the combustion chamber. The piston descends in the cylinder bore to evacuate the combustion chamber.