All small engine equipment will become worn and dull over time. Take the weed eater as an example: you will need to adjust the carburetor speed to get a good trigger response and cutting performance after a session. Here is a simple fine-tune instruction on how to correctly adjust your carburetor on the weed...

If you have problems adjusting the carburetor idles, we have this step-by-step article with how-to video to walk you through the whole carburetor adjustment process.