How to Adjust the Carburetor Mixing Ratio of 154 Gasoline Engine

1. First, turn off the engine, remove the intake pipe on the carburetor, find the mixing ratio adjustment screw, which is usually located next to or at the bottom of the carburetor, and loosen it with a wrench.

2. Open the cover of the mixing ratio adjusting piston, add two-stroke engine oil into it with a burette, and add an appropriate amount of engine oil according to the mixing ratio.

3. Let the cover cover the piston again, and adjust the mixing ratio by rotating the mixing ratio adjusting screw to achieve the best effect.