Warm up the engine to an oil temperature of +60°C.
Open the starter flap completely.
Do not remove the air filter.
Pull out and pinch the crankcase breather hose.
Connect tachometer.
Start the engine.
If the CO is out of specification, remove the seal from the mixture adjustment screw.
Adjust. Data see No. 4.48.
Attention! The radiator fan must not run during adjustment.
If the idle turns off, readjust.
Reinstall the blue seal.
Attention! After adjusting the CO, insert the crankcase ventilation hose into place. If the CO content increases, this is not a consequence of adjustment, but of intensive operation of the engine in urban conditions. When driving fast in the countryside for 30 minutes or changing the oil, the CO content returns to normal.
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