How to clean carburetor on craftsman lawn mower?

How to clean carburetor on craftsman lawn mower?


Cleaning the carburetor on your Craftsman lawn mower is an essential maintenance task that can help improve its performance and extend its lifespan. Over time, carburetors can become clogged with dirt, debris, and varnish, leading to poor engine performance and starting issues. In this article, we will provide a step-by-step guide on how to clean the carburetor on your Craftsman lawn mower, ensuring that it runs smoothly and efficiently.

Gather the Necessary Tools and Materials

Before you begin cleaning the carburetor, it is important to gather all the necessary tools and materials. Here are the items you will need:

– Carburetor cleaner
– Fresh gasoline
– Clean cloth or rag
– Safety goggles
– Gloves

– Screwdriver
– Wrench
– Needle-nose pliers
– Small wire brush

Prepare the Lawn Mower

To start the cleaning process, you need to prepare the lawn mower. Follow these steps:

1. Turn off the lawn mower engine and allow it to cool down completely.
2. Disconnect the spark plug wire to prevent accidental starting.
3. Locate the carburetor, which is usually situated on top of the engine and covered by an air filter housing.

Remove the Carburetor

Once the lawn mower is prepared, you can proceed with removing the carburetor. Here’s how:

1. Use a screwdriver or wrench to remove the air filter housing cover.
2. Take note of the connections and linkages attached to the carburetor for reassembly later.
3. Carefully disconnect the fuel line from the carburetor using needle-nose pliers.
4. Remove any remaining screws or bolts that secure the carburetor to the engine.

Clean the Carburetor

Now that the carburetor is removed, it’s time to clean it thoroughly. Follow these steps:

1. Spray carburetor cleaner generously on all the exterior surfaces of the carburetor.
2. Use a small wire brush to scrub away any dirt, debris, or varnish buildup.
3. Pay special attention to the small openings, jets, and passages of the carburetor. Use the wire brush or a thin wire to clean them thoroughly.
4. Rinse the carburetor with clean gasoline to remove any remaining debris or cleaner residue.
5. Wipe the carburetor with a clean cloth or rag to ensure it is completely dry before reinstallation.

Reinstall the Carburetor

After cleaning the carburetor, it’s time to reinstall it back onto the engine. Follow these steps:

1. Position the carburetor back onto the engine and secure it with the screws or bolts.
2. Reconnect the fuel line to the carburetor using needle-nose pliers.
3. Reattach any linkages or connections that were previously disconnected.
4. Place the air filter housing cover back on and secure it with the screw or bolts.


Cleaning the carburetor on your Craftsman lawn mower is a simple yet crucial maintenance task that can significantly improve its performance. By following the step-by-step guide provided in this article, you can ensure that your lawn mower runs smoothly and efficiently, allowing you to achieve a well-maintained lawn.