It is not necessary to change adjusting parameters of the carburetor. Check of level and adjustment of idling are carried out each 20 000 km of a run of the car or a minimum of times in a year.
QX4.ONLINE S40.ONLINE A-8.ONLINE W124.ONLINE RX300.ONLINE W140.ONLINE B3-B4.SPACE B3B4.SPACE A-8.SPACE