How to Remove the Carburetor on a Honda Lawn Mower?

You’ve just bought a brand new Honda lawnmower, or perhaps your trusty old one is acting up. Maybe it’s sputtering, not starting, or simply not delivering the power it used to. One common culprit for these issues is a clogged carburetor. Fortunately, cleaning or replacing a carburetor isn’t a rocket science project. This article will guide you through the process of removing the carburetor on your Honda lawnmower, providing step-by-step instructions, safety tips, and helpful insights.

Overview of Removing a Honda Lawn Mower Carburetor

Removing the carburetor on a Honda lawnmower is a relatively straightforward process. It involves disconnecting fuel lines, removing bolts securing the carburetor, and carefully separating it from the engine. It’s crucial to be organized and mindful of small parts, as losing them can lead to complications later. Before you begin, ensure you have the right tools, a clean workspace, and a clear understanding of the procedure. Let’s get started!

Preparing for the Job

Gather Your Tools

Before diving into the removal process, ensure you have the necessary tools readily available. These include:

  • Phillips head screwdriver: For loosening and tightening screws.
  • Flathead screwdriver: For prying off covers or loosening stubborn screws.
  • Wrench set: To loosen and tighten nuts and bolts.
  • Adjustable wrench: For a wider range of bolt sizes.
  • Needle-nose pliers: For gripping small parts or wires.
  • Shop rags or paper towels: To clean up spills and debris.
  • Container: To safely store removed parts and fuel.
  • Safety glasses: To protect your eyes from flying debris.

Safety Precautions

Working with gasoline and mechanical components requires a cautious approach. Always prioritize safety:

  • Disconnect the spark plug wire: This prevents accidental ignition while working on the engine.
  • Work in a well-ventilated area: Gasoline fumes are flammable and harmful to your health.
  • Wear appropriate clothing and protective gear: Avoid loose clothing and wear safety glasses and gloves.
  • Do not smoke: Gasoline and open flames are a dangerous combination.
  • Keep children and pets away from the work area: Ensure a safe environment for everyone.

Disconnecting the Fuel Lines

Locating the Fuel Lines

  1. Identify the fuel lines: Look for two rubber hoses connected to the carburetor. One line leads from the fuel tank, and the other leads to the engine.
  2. Disconnect the fuel lines: Use a pair of pliers to gently squeeze the fuel line clamps and slide them off the carburetor. Carefully pull the fuel lines off the carburetor.

Draining the Carburetor

  1. Remove the fuel line leading from the fuel tank: To prevent fuel from spilling, place a container beneath the fuel line.
  2. Loosen the fuel line: Gently twist and pull the fuel line to drain any remaining fuel.

Removing the Carburetor

Removing the Mounting Bolts

  1. Identify the mounting bolts: Locate the bolts or nuts that secure the carburetor to the engine. There are typically two or three bolts.
  2. Loosen the mounting bolts: Use a wrench or socket wrench to loosen the mounting bolts. If the bolts are rusted or stuck, apply penetrating oil and allow it to sit for a few minutes before attempting to loosen them again.
  3. Remove the mounting bolts: Once the bolts are loosened, carefully remove them from the carburetor.

Separating the Carburetor

  1. Lift the carburetor gently: Once the mounting bolts are removed, gently lift the carburetor off the engine. Be careful not to damage the air intake or other components connected to the carburetor.
  2. Inspect for loose parts: As you lift the carburetor, inspect it for any loose or dangling components. Ensure all parts are accounted for before setting the carburetor aside.

Cleaning the Carburetor

Once you have successfully removed the carburetor from the lawnmower, it’s time to clean it.


  • Remove the carburetor bowl: There will be a small bowl at the bottom of the carburetor. This bowl collects fuel and any debris. Use a screwdriver to loosen the screws holding the bowl in place and carefully remove it.
  • Inspect and remove internal components: Inside the carburetor, you’ll find several small parts, including the float, needle, and jet. Use a small brush or compressed air to clean any debris.

Cleaning and Reassembly

  1. Clean the carburetor with carburetor cleaner: Use a carburetor cleaning solution and a brush to thoroughly clean all parts. Rinse the parts with clean water and dry them completely.
  2. Reassemble the carburetor: Carefully reassemble the carburetor, making sure all parts are in their correct positions.

Reinstalling the Carburetor

Reattaching the Fuel Lines

  1. Align the fuel lines: Make sure the fuel lines are properly aligned with the carburetor ports.
  2. Connect the fuel lines: Gently push the fuel lines onto the carburetor ports until they are securely seated.
  3. Tighten the clamps: Use pliers to tighten the clamps on the fuel lines.

Securing the Carburetor

  1. Align the carburetor: Carefully position the carburetor back onto the engine, ensuring that the mounting holes align with the bolts.
  2. Insert the mounting bolts: Insert the bolts through the holes in the carburetor and the engine.
  3. Tighten the mounting bolts: Use a wrench to tighten the bolts securely, but do not overtighten.

Reattaching the Spark Plug Wire

  1. Connect the spark plug wire: Make sure the spark plug wire is securely connected to the spark plug.

Final Steps and Troubleshooting

Starting the Engine

  1. Check for fuel leaks: After reassembling the carburetor and fuel lines, carefully inspect for any fuel leaks.
  2. Start the engine: Turn the key or pull the starter cord to start the engine. Listen for any unusual noises or vibrations.


If the engine doesn’t start or runs poorly after reinstalling the carburetor, check the following:

  • Fuel line connection: Make sure the fuel lines are securely connected to the carburetor.
  • Fuel filter: Check the fuel filter for blockages.
  • Spark plug: Inspect the spark plug for wear and tear.
  • Air filter: Ensure the air filter is clean.


Removing and reinstalling a carburetor on a Honda lawnmower can seem daunting, but with the right tools, careful preparation, and step-by-step instructions, you can successfully tackle this maintenance task. By following the procedures outlined in this article, you can ensure your Honda lawnmower runs smoothly and efficiently for years to come. Remember to always prioritize safety and take your time during the process. Happy mowing!


Q1: Why do I need to remove the carburetor on my Honda lawnmower?

A: You may need to remove the carburetor on your Honda lawnmower for various reasons, such as cleaning, replacing, or repairing it. A dirty carburetor can cause issues with fuel flow and engine performance, leading to problems like stalling, sputtering, or difficulty starting. Removing the carburetor allows you to thoroughly clean it or replace it with a new one, restoring optimal engine function.

Q2: What tools do I need to remove the carburetor?

A: To remove the carburetor on your Honda lawnmower, you’ll need a few basic tools. These include a set of screwdrivers (Phillips and flathead), a wrench set, a socket set, and possibly a pair of pliers. You may also need a fuel line disconnect tool if your model uses quick-connect fittings. It’s always a good idea to consult your owner’s manual for specific tool requirements for your particular model.

Q3: How do I disconnect the fuel lines and electrical connections?

A: Before removing the carburetor, you need to disconnect the fuel lines and electrical connections. Use a fuel line disconnect tool or pliers to carefully disconnect the fuel lines from the carburetor. You should also disconnect any electrical connections going to the carburetor, such as the choke solenoid or fuel pump. Be sure to note the position of the lines and connections before disconnecting them to ensure proper reassembly.

Q4: How do I remove the carburetor mounting bolts?

A: The carburetor is typically mounted to the engine using bolts or screws. Use your wrench or socket set to loosen and remove these fasteners. You may need to use a combination of tools, depending on the size and type of fasteners used. Remember to be careful not to damage any surrounding components while removing the bolts.

Q5: What should I do after removing the carburetor?

A: Once the carburetor is removed, you can proceed with your intended purpose, such as cleaning or replacing it. If cleaning the carburetor, be sure to use a carburetor cleaner and follow the manufacturer’s instructions. If replacing it, ensure the new carburetor is compatible with your model. Once you’re done, reinstall the carburetor, reconnecting the fuel lines and electrical connections.

Q6: What safety precautions should I take?

A: When working on your lawnmower, it’s essential to prioritize safety. Always disconnect the spark plug wire before working on any engine components. Additionally, wear protective gear, including gloves and safety glasses. Be cautious when handling gasoline and avoid working on the mower near any heat sources.

Q7: Where can I find more information and resources?

A: For detailed instructions specific to your Honda lawnmower model, consult the owner’s manual. You can also find additional resources online, such as repair manuals, video tutorials, and forums dedicated to Honda lawnmower maintenance. These resources can provide detailed instructions, troubleshooting tips, and advice from experienced users.

Leave a Comment