Insert the screwdriver into the idle fuel screw, and then turn it all the way to the right. Turn it out two full turns
Insert the screwdriver into the main fuel screw, and turn all the way to the right. Turn it back counterclockwise two and a half full turns.
Start the generator's motor and allow it to warm up for 10 minutes.
Adjust the main fuel screw one-fourth turn to the right if the idle is still too low. Turn it one-fourth turn to the left if the idle speed is too high.