From August 1975 accelerator pump supply (see table at the end of the chapter) adjustable depending on the intake air temperature. The supply is controlled by a thermal switch 1 in the air filter and a control valve 2 in the carburetor.
Remove control valve 2 from the carburetor and blow through with your mouth.
At temperatures above +29°С (engine 1600) or above +20°С (engine 1300) valve must be closed.
Cool the valve in the refrigerator. At temperatures below +21°C (engine 1600) or below +15°С (engine 1300) valve must be open.
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