How to Clean a Lawn Mower Carburetor





Affiliate Disclaimer

As an affiliate, we may earn a commission from qualifying purchases. We get commissions for purchases made through links on this website from Amazon and other third parties.

Cleaning a lawn mower carburetor doesn’t have to be a daunting task. In fact, with a little know-how and some basic tools, you’ll have it cleaned up in no time. So, let’s roll up our sleeves and get to work!

First things first, gather all the necessary tools and materials. You’ll need a wrench or socket set, a carburetor cleaner solution, a clean cloth or rag, and a small container to hold any small parts you remove. Oh, and don’t forget some safety goggles and gloves to protect yourself while working.

Before diving into the cleaning process, it’s important to disconnect the spark plug wire to ensure there’s no chance of accidental ignition. Once that’s done, locate the carburetor on your lawn mower. It’s usually attached near the engine, and you might need to remove the air filter housing to access it.

Now that you have a clear view of the carburetor, it’s time to remove it. Use your wrench or socket set to loosen the bolts or screws holding it in place. Be sure to keep track of these small parts, as they can easily be misplaced. Once the carburetor is free, place it in the small container to catch any dripping fuel.

With the carburetor removed, it’s time to give it a good cleaning. Spray the carburetor cleaner solution on all the visible parts, making sure to reach all the nooks and crannies. Use the clean cloth or rag to wipe away any dirt, grime, or clogs. Don’t forget to pay extra attention to the small passages and jets.

After a thorough cleaning, inspect the carburetor for any damaged or worn-out parts. If you notice any issues, it may be necessary to replace them before reinstalling the carburetor. If everything looks good, it’s time to put everything back together. Reverse the steps you took to remove the carburetor, making sure to tighten the bolts or screws securely.

Once the carburetor is back in place, reconnect the spark plug wire and put the air filter housing back on, if you removed it earlier. Now you’re ready to fire up your lawn mower and marvel at the smooth operation of a clean carburetor. Enjoy the pristine performance and congratulate yourself on a job well done!


  • Disconnect the spark plug wire to prevent accidental engine start
  • Remove the air filter and clean or replace it if necessary
  • Drain the fuel from the fuel tank and carburetor
  • Remove the carburetor from the lawn mower
  • Clean the carburetor thoroughly with carburetor cleaner and a brush


  • Don’t attempt to clean the carburetor while the engine is running
  • Don’t use excessive force when cleaning the carburetor, as it can damage the parts
  • Don’t use a wire brush or metal tools to clean the carburetor, as they can cause scratches or damage
  • Don’t forget to reassemble the carburetor correctly after cleaning
  • Don’t skip regular maintenance and cleaning of the carburetor to prevent future issues

Step 1

Clean the external parts of the carburetor with a brush and carburetor cleaner.

Step 2

Remove the carburetor from the lawn mower.

Step 3

Disassemble the carburetor to access its internal parts.

Step 4

Clean the internal parts of the carburetor using carburetor cleaner and a small brush. Pay special attention to the jets, valves, and passages.

Step 5

Reassemble the carburetor, ensuring all parts are in their proper places. Install the carburetor back onto the lawn mower.

Final thoughts 💭

Cleaning a lawn mower carburetor is an essential maintenance task that can greatly improve the performance and lifespan of your mower. By following the steps outlined in this guide, you can effectively remove dirt, debris, and varnish buildup from the carburetor, ensuring proper fuel flow and combustion. Regularly cleaning your carburetor will help prevent engine stalls, starting issues, and poor cutting performance. Remember to always refer to your mower’s manual for specific instructions and safety precautions. So, don’t neglect this important task and keep your lawn mower running smoothly!

About the author

Leave a Reply

Your email address will not be published. Required fields are marked *

Latest posts

  • How to Clean brass hardware

    How to Clean brass hardware

    Brass hardware can add a touch of elegance and sophistication to any space, but over time, it can lose its shine and luster. Fortunately, cleaning brass is not as intimidating as it may seem. With a little effort and the right techniques, you can restore your brass hardware to its former glory. Before diving into…

    Read more

  • How to Clean tarnished jewelry

    How to Clean tarnished jewelry

    So, you’ve noticed that your favorite piece of jewelry has lost its shine? Don’t worry, I’ve got you covered! Let me share with you some tried and true methods to bring back that beautiful sparkle to your tarnished jewelry. First things first, gather your supplies. You’ll need a soft cloth, some mild dish soap, a…

    Read more

  • How to Clean a catfish

    How to Clean a catfish

    Cleaning a catfish can be an enjoyable and rewarding experience for any angler. First, start by securing a clean and flat surface to work on, like a large plastic cutting board. Make sure you have a sharp fillet knife handy, as well as a pair of pliers and a bucket for waste disposal. To clean…

    Read more