How to adjust intake valve with chainsaw

1. First, turn the screw clockwise to the L key and the H key, and go back 1.5 turns. Adjust the high point of L key at idle speed, and then turn back 1/8.

2. Secondly, the T key is adjusted to the best state of 2800-3200 rpm, and the H pin is controlled at 9000- 10000 rpm.

3. Finally, the adjustment can be completed.