Easy Steps to Install Carburetter on Honda Generator EM 3500

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Easy Steps to Install Carburetter on Honda Generator EM 3500

Table of Contents:

  1. Introduction
  2. Problems with old generators
  3. The importance of running your generator regularly
  4. Reasons for installing a new carburetor
  5. Choosing the right carburetor
  6. Steps to install a new carburetor
    • Removing the air cleaner
    • Disconnecting the fuel line and choke assembly
    • Removing the old carburetor
    • Installing the new carburetor
  7. Checking for proper installation
  8. Adjusting the carburetor
  9. Verifying voltage output
  10. Conclusion

Article: How to Install a New Carburetor on an Old Honda EM 3500 Generator


In this article, we will discuss the process of installing a new carburetor on an old Honda EM 3500 generator. Generators that have been sitting unused for a long time often face starting issues and become gummed up. By replacing the carburetor, we can ensure that the generator runs smoothly for years to come. We will explore the importance of running your generator regularly, the reasons for installing a new carburetor, and the steps to complete the installation. So, let's dive in!

Problems with Old Generators

Old generators, like the Honda EM 3500, are known for their reliability. However, due to lack of use, these machines can develop starting issues and become gummed up. This is where installing a new carburetor can make a significant difference. Instead of spending time cleaning the old carburetor, opt for replacing it with a brand new one. Despite being designed in Japan, these aftermarket carburetors have proven to work flawlessly and ensure optimal performance.

The Importance of Running Your Generator Regularly

One of the common reasons for generator issues is infrequent usage. Generators are often left neglected until they are needed in times of emergencies. To prevent starting problems and gumming up, it is crucial to run your generator regularly. Although it may be difficult to remember, it is recommended to incorporate running your generator into your routine. Additionally, adding a fuel conditioner can help in maintaining the generator's performance and longevity.

Reasons for Installing a New Carburetor

When faced with a generator that won't start or is not running smoothly, the carburetor is often to blame. Due to variances in fuel quality and deposits over time, the carburetor can become clogged or damaged. Rather than investing time and effort into cleaning the old carburetor, installing a new one can save both time and frustration. With the relatively low cost of new carburetors, it is a worthwhile investment to ensure optimal performance.

Choosing the Right Carburetor

When purchasing a new carburetor, it is essential to ensure compatibility with your specific generator model. The aftermarket carburetors, designed as replicas of the original Honda carburetors, have proven to be reliable and effective. However, it is crucial to double-check the compatibility before making a purchase. Additionally, opting for a carburetor that includes the necessary gaskets and fuel lines can make the installation process smoother.

Steps to Install a New Carburetor

  1. Removing the air cleaner: Begin the installation by removing the old air cleaner. This may require the replacement of the air cleaner if it is worn out or damaged.

  2. Disconnecting the fuel line and choke assembly: Remove the bolts that hold the air cleaner to the carburetor. Once detached, carefully remove the fuel line and disconnect the automatic choke assembly. Pay attention to any small parts or levers that may need to be removed.

  3. Removing the old carburetor: Carefully detach any wires or clips connected to the old carburetor. Once disconnected, lift the carburetor out of its position.

  4. Installing the new carburetor: Place the new carburetor onto the studs of the generator. Ensure that all connections, such as the fuel line and wiring, are properly reattached. Take care not to kink the fuel line during installation.

Checking for Proper Installation

Once the new carburetor is installed, it is important to check for any loose connections or parts that may have been missed. Double-check the fuel line to ensure it is not kinked and that it is securely connected. Tighten all bolts evenly to ensure a secure fit.

Adjusting the Carburetor

After installation, it is recommended to adjust the carburetor to achieve optimal performance. Start the generator and observe its function. Adjust the throttle lever and carburetor settings to ensure a smooth and consistent operation. It's best to consult the generator's manual for specific adjustment instructions.

Verifying Voltage Output

One critical step after carburetor installation is to verify the voltage output. Generators come with built-in voltmeters, but it is advisable to double-check with a handheld voltmeter. Ensure that the voltage output matches the intended level for your appliances and electronics. This step is crucial to prevent any damage to sensitive devices when using the generator.


By installing a new carburetor, you can revive an old Honda EM 3500 generator and ensure its reliable performance. Regular usage and proper maintenance are essential for preventing starting issues and keeping the generator in top condition. Remember to choose a compatible carburetor, follow the installation steps carefully, and verify the voltage output to ensure a successful and safe operation. With a properly functioning generator, you can be prepared for any power outage or emergency situation.

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