Sagitar 1.6 the throttle is not closed properly.

Sagitar 1.6 Reasons for lax throttle closing:

1, valve clearance is too small.

2. Too much carbon deposit in the valve contact area.

3. Valve seat ring deformation or valve top deformation.

4, valve spring failure or rocker arm deformation. Throttle is a controllable valve to control air to enter the engine, and its function is to control air to enter the engine. After the air enters the intake pipe, it is mixed with gasoline to form a combustible mixture, thus the combustion is successful.