How to clean carburetor on toro lawn mower?

How to clean carburetor on toro lawn mower?


Cleaning the carburetor on your Toro 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 old fuel, leading to poor engine performance and starting issues. In this article, we will guide you through the process of cleaning the carburetor on your Toro lawn mower, ensuring that it runs smoothly and efficiently.

Gather the necessary materials

Before you begin cleaning the carburetor, gather the following materials:

1. Safety goggles and gloves: Protect your eyes and hands from any potential hazards during the cleaning process.

2. Screwdriver: You may need a screwdriver to remove the carburetor from the lawn mower.

3. Carburetor cleaner: Use a carburetor cleaner specifically designed for small engines. Avoid using general-purpose cleaners as they may damage the carburetor components.

4. Compressed air: Compressed air can help remove any stubborn debris from the carburetor.

Remove the carburetor

To access the carburetor, you’ll need to remove it from the lawn mower. Follow these steps:

1. Disconnect the spark plug wire: For safety purposes, disconnect the spark plug wire to prevent accidental engine starts.

2. Locate the carburetor: The carburetor is typically located on the side or top of the engine. Refer to your Toro lawn mower’s manual for specific instructions.

3. Remove the air filter and housing: Depending on the model, you may need to remove the air filter and housing to access the carburetor.

4. Disconnect fuel lines and linkage: Carefully disconnect the fuel lines and linkage attached to the carburetor. Take note of their positions for reassembly.

5. Remove the carburetor: Use a screwdriver to remove any screws or bolts holding the carburetor in place. Gently lift the carburetor away from the engine.

Clean the carburetor

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

1. Spray carburetor cleaner: Using the carburetor cleaner, spray all the visible components of the carburetor, including the float bowl, jets, and passages. Make sure to cover all the areas where dirt and debris may have accumulated.

2. Soak the carburetor: If the carburetor is heavily clogged, you can soak it in a carburetor cleaner solution according to the manufacturer’s instructions. This will help dissolve any stubborn deposits.

3. Clean with a brush: Use a small brush, such as a toothbrush, to scrub away any remaining dirt or debris. Pay close attention to the jets and passages, ensuring they are completely clean and free from any blockages.

4. Use compressed air: Once you have scrubbed the carburetor, use compressed air to blow out any loosened debris. This will help ensure that all the passages and jets are clear.

Reassemble and test

After cleaning the carburetor, it’s time to reassemble it and test your Toro lawn mower. Follow these steps:

1. Reinstall the carburetor: Carefully place the carburetor back onto the engine and secure it with the screws or bolts you removed earlier. Reconnect the fuel lines and linkage.

2. Reinstall the air filter and housing: If you removed the air filter and housing, make sure to reinstall them properly.

3. Reconnect the spark plug wire: Once everything is in place, reconnect the spark plug wire.

4. Test the lawn mower: Start your Toro lawn mower and let it run for a few minutes to ensure that the carburetor is functioning properly. If you notice any issues, double-check the connections and cleaning.


Regularly cleaning the carburetor on your Toro lawn mower is crucial for maintaining its performance and longevity. By following the steps outlined in this article, you can effectively clean the carburetor and ensure that your lawn mower operates smoothly. Remember to always prioritize safety and consult your Toro lawn mower’s manual for specific instructions.