What if Yamaha Tian Jian 125 carburetor can't be cleaned?

Adjust the gas level screw, carburetor throttle valve of gas cylinder truck, main measuring hole, main oil needle and float.

1. Wind screw: different models have different positions. The main function is to adjust the air flow to adapt to the correct mixing ratio. Multi-cylinder cars need synchronous adjustment.

2. Cylinder automobile carburetor throttle: By adjusting the throttle position of each cylinder, the automobile can travel at the same speed of each cylinder.

3. Main metering hole: the oil output is changed by adjusting the size of the main metering hole (basically, parts need to be replaced).

4. Main oil needle: the oil output is controlled by adjusting the up and down position of the oil needle.

5. Float adjustment: the oil level is controlled by adjusting the up and down position of the float. The floats of some cars are not adjustable and can only be replaced.