How to adjust the idle speed of Ma Yang 1 180 harvester?

1. Slowly loosen the throttle opening adjustment screw with a screwdriver. When the engine is about to turn off, screw it in a little bit to keep the engine running.

2. Adjust the adjusting screw of idle mixture. Let the engine run faster. Turn out the valve opening adjustment again to realize stable idle work, which is both accelerated and flameout.