How to adjust rope gasoline engine when idle speed is high

1, after the throttle is completely relaxed, leave a certain free clearance, install an air filter, confirm that other components are in good performance, start the engine, let it warm up first, and open the choke valve first.

2. Start the adjustment first. First, screw the air conditioning screw to the end, and then turn it. Second, adjust the throttle screw to ensure that the engine can run at a certain speed after the throttle knob is completely loosened.

3. First, reduce the idle speed as much as possible to reduce the engine speed as much as possible.

4. Try to increase the idle speed again, and at the same time adjust the air conditioning screw to make the engine speed as high as possible.

5. Repeat these steps and adjust several times to find a satisfactory idle speed.