How to match the starting motorcycle 150 throttle?

1. There are two screw holes on the right side of the engine. After opening, insert the sleeve into the horizontal screw hole and rotate it counterclockwise.

2. Observe in the small hole above while rotating, and close the intake valve when you feel the rotating resistance.

3. Note that the T-shaped sign on the magnetoelectric machine is located in the center of the hole.