How to clean a briggs and stratton carburetor?

How to clean a briggs and stratton carburetor?


Cleaning a Briggs and Stratton carburetor is an essential maintenance task that can help improve the performance and longevity of your small engine. Over time, carburetors can become clogged with dirt, debris, and varnish, leading to poor engine performance or even engine failure. In this article, we will dive deeper into the process of cleaning a Briggs and Stratton carburetor, providing step-by-step instructions and tips to ensure a successful cleaning.

Gather the Necessary Tools and Materials

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

Materials used:
– Carburetor cleaner
– Compressed air
– Safety glasses
– Gloves
– Clean cloth or paper towels

Tools needed:
– Screwdriver or socket wrench (depending on your engine model)
– Carburetor cleaning brush or small wire brush
– Small container for soaking small carburetor parts

Prepare the Engine

To ensure your safety and prevent accidental starting, it’s important to prepare the engine before cleaning the carburetor. Follow these steps:

1. Turn off the engine and allow it to cool completely.
2. Disconnect the spark plug wire to prevent accidental ignition.
3. Locate the carburetor on your Briggs and Stratton engine. It is typically located near the air filter.

Remove the Carburetor

To clean the carburetor thoroughly, it is best to remove it from the engine. Follow these steps to remove the carburetor:

1. Use a screwdriver or socket wrench to remove the bolts or screws that secure the carburetor to the engine.
2. Carefully disconnect any linkage or fuel lines attached to the carburetor.
3. Gently lift the carburetor away from the engine.

Disassemble the Carburetor

Once the carburetor is removed, it’s time to disassemble it for a thorough cleaning. Follow these steps:

1. Carefully disassemble the carburetor, taking note of the order and position of each component. It may be helpful to take pictures or make diagrams to aid in reassembly.
2. Remove the float bowl and any other removable parts.
3. Place the small carburetor parts in a container filled with carburetor cleaner, ensuring they are fully submerged. Allow them to soak for the recommended time specified on the cleaner’s instructions.

Clean the Carburetor Components

After soaking, it’s time to clean the carburetor components. Follow these steps:

1. Use a carburetor cleaning brush or small wire brush to scrub away any dirt, debris, or varnish from the carburetor body, float bowl, and other components. Pay special attention to small passages and jets.
2. Rinse the components thoroughly with clean water to remove any remaining cleaner residue.
3. Use compressed air to blow out any excess water and ensure all passages and jets are clear.

Reassemble and Install the Carburetor

Once the carburetor components are clean and dry, it’s time to reassemble and reinstall the carburetor. Follow these steps:

1. Carefully reassemble the carburetor, referring to your pictures or diagrams if needed.
2. Reattach any linkage or fuel lines that were disconnected.
3. Place the carburetor back onto the engine and secure it with the bolts or screws.
4. Reconnect the spark plug wire.


Cleaning a Briggs and Stratton carburetor is a straightforward process that can greatly improve the performance of your small engine. By following the steps outlined in this article and using the necessary tools and materials, you can ensure a thorough and successful cleaning. Regular carburetor maintenance is essential for the longevity and optimal functioning of your engine.