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How to Clean Briggs & Stratton Carburetor Without Removing It

Cleaning a Briggs & Stratton carburetor without removing it can be done using a carburetor cleaner spray. Keep in mind that this method may not be as thorough as a complete removal and disassembly, but it can help remove some of the dirt and varnish buildup.

Briggs & Stratton Carburetor

Materials Needed

Carburetor cleaner spray
Screwdriver (if needed for access)
Compressed air (optional)


Locate the Carburetor

Identify the location of the carburetor on your Briggs and Stratton engine. It's usually situated near the air filter and fuel tank.

Remove the Air Filter

If there's an air filter covering the carburetor, remove it to access the carburetor more easily.

Clean Briggs & Stratton Carburetor

Spray Carburetor Cleaner

Use a carburetor cleaner spray to directly spray into the openings and passages of the carburetor. Focus on areas like the choke, throttle plate, and any other openings.

Let it Soak

Allow the carburetor cleaner to penetrate and dissolve deposits. Follow the instructions on the cleaner's label regarding the recommended soaking time.

Work the Throttle

If possible, work the throttle back and forth to help distribute the cleaner throughout the carburetor and break up any deposits.

Use Compressed Air (Optional)

If you have access to compressed air, you can use it to blow out any loosened debris. Be careful not to use excessive air pressure, as it could damage delicate parts.


Once you've allowed sufficient time for the cleaner to work, reassemble any components you may have removed, such as the air filter.

Start the Engine

Start the engine and let it run for a few minutes to ensure that the cleaner is drawn into the carburetor and any remaining deposits are cleared.

Keep in mind that this method is more of a surface cleaning and may not address all potential issues. If you continue to experience carburetor problems, a more thorough cleaning or even removal and rebuild may be necessary. Always refer to the specific model's manual for guidance, and if you're not comfortable with these steps, it's advisable to seek professional assistance.

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