How to clean honda lawn mower carburetor?

How to clean honda lawn mower carburetor?


Cleaning the carburetor is an essential maintenance task for Honda lawn mower owners. Over time, the carburetor can become clogged with dirt, debris, and old fuel, leading to poor engine performance. In this article, we will guide you through the process of cleaning the Honda lawn mower carburetor, ensuring your mower 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
– Compressed air
– Clean cloth or paper towels
– Safety glasses
– Gloves
– Small container for soaking small parts

– Screwdriver or wrench (depending on your lawn mower model)
– Needle-nose pliers
– Small brush with stiff bristles

Disconnect the Spark Plug

To ensure your safety, start by disconnecting the spark plug wire from the spark plug. This will prevent the engine from accidentally starting while you are working on the carburetor.

Remove the Carburetor

Next, locate the carburetor on your Honda lawn mower. It is usually positioned near the engine and connected to the air filter housing. Use a screwdriver or wrench to remove the bolts or screws holding the carburetor in place. Once the carburetor is loose, carefully disconnect any fuel lines or linkage attached to it.

Disassemble the Carburetor

With the carburetor removed from the lawn mower, it’s time to disassemble it for thorough cleaning. Start by removing the float bowl, which is usually held in place by a screw or clip. Once the float bowl is removed, you will have access to the main jet, idle jet, and other internal components.

Using a small brush with stiff bristles, clean the main jet and idle jet to remove any clogs or build-up. Pay close attention to the tiny openings in these jets, as they are critical for proper fuel flow. Additionally, inspect the float and needle valve for any signs of damage or wear.

Clean the Carburetor Components

Now that the carburetor is disassembled, it’s time to clean each component thoroughly. Start by spraying carburetor cleaner on all the parts, including the jets, float, needle valve, and float bowl. Use a small brush or toothbrush to scrub away any dirt or residue. For stubborn deposits, you can let the parts soak in carburetor cleaner for a few minutes before scrubbing.

After cleaning, use compressed air to blow out any remaining debris from the carburetor’s passages and jets. Be sure to wear safety glasses and gloves while using compressed air to protect yourself from any dislodged particles.

Reassemble and Install the Carburetor

Once all the carburetor components are clean and dry, it’s time to reassemble them. Follow the disassembly steps in reverse order, ensuring that all parts are properly aligned and secured. Reconnect any fuel lines or linkage that were disconnected earlier.

After reassembling the carburetor, reinstall it onto the lawn mower’s engine. Tighten the bolts or screws to secure it in place. Finally, reconnect the spark plug wire to the spark plug.


Cleaning the carburetor of your Honda lawn mower is a crucial maintenance task that ensures optimal engine performance. By following the steps outlined in this article, you can effectively clean the carburetor and keep your lawn mower running smoothly.

Remember to always prioritize safety by disconnecting the spark plug wire before working on the carburetor. Additionally, gather all the necessary tools and materials beforehand to make the process more efficient.

Regular carburetor cleaning will help extend the lifespan of your Honda lawn mower and ensure it operates at its best.