Have you ever had a generator that won’t start or runs rough? One of the most common reasons for this is a dirty carburetor. Over time, the carburetor can become clogged with dirt, debris, and old fuel, leading to inefficient operation or even engine damage. Fortunately, cleaning the generator carburetor is a simple process that can be done at home with some basic tools and a bit of know-how. In this article, we’ll walk you through the steps for cleaning your generator carburetor and getting your generator running smoothly again.

1. The Importance Of Cleaning Your Generator Carburetor

How To Clean Generator Carburetor

Cleaning your generator carburetor is important for several reasons. Firstly, it helps to improve the performance of your generator. Over time, debris, dirt, and other contaminants can accumulate in the carburetor, leading to reduced fuel efficiency and power output. Cleaning the carburetor helps to eliminate these build-ups, allowing your generator to work at its optimum level.

Secondly, regular carburetor cleaning helps to extend the lifespan of your generator. A dirty carburetor can cause your generator’s components to wear down faster, which can lead to costly repairs and replacements. Proper maintenance and cleaning of the carburetor can prevent such issues, saving you money and ensuring your generator lasts for years to come.

Lastly, cleaning your generator carburetor is crucial for safety reasons. A clogged carburetor can cause your generator to malfunction or shut down unexpectedly, which can put you and others at risk, especially during emergencies or disasters. By keeping your carburetor clean and efficient, you can ensure that your generator operates smoothly and safely when you need it most.

2. Tools Needed To Clean A Generator Carburetor

Before you start cleaning your generator carburetor, you need to have the appropriate tools and materials. These may include:

  • Screwdrivers (flathead and Phillips)
  • Wrenches (adjustable pliers, socket, or combination)
  • Carburetor cleaner spray
  • Compressed air canister or air compressor
  • Safety goggles or glasses
  • Gloves

Make sure to read your generator’s manual and follow any specific instructions on how to clean the carburetor. In some cases, you may need additional tools or equipment, so it’s important to be prepared beforehand.

2. Tools Needed To Clean A Generator Carburetor

Cleaning your generator carburetor is essential to ensure the optimal performance and longevity of your generator. Here is a list of tools and equipment that you will need to clean a generator carburetor:

1. Screwdrivers

You will need various types of screwdrivers, such as a flat head, Philips head, and Torx head, to remove the carburetor from the generator. Make sure to choose the appropriate size of screwdriver to avoid damaging the screws.

2. Carburetor Cleaner

Carburetor cleaner is a powerful cleaning solution specifically designed to break down and remove dirt, debris, and oil residue from the carburetor. You can purchase carburetor cleaner in an aerosol can or liquid form. Make sure to choose a product that is safe for your generator model.

3. Safety Gear

Cleaning a generator carburetor can be a messy and dangerous task, so it is essential to wear proper safety gear. You will need safety goggles to protect your eyes from the carburetor cleaner and gloves to protect your hands from chemicals and sharp edges.

4. Compressed Air

Compressed air is an effective tool to remove debris and dirt from hard-to-reach areas, such as the carburetor jets. You can use an air compressor, or compressed air cans to blow away any debris stuck inside the carburetor.

5. Carburetor Rebuild Kit

If your generator carburetor is severely damaged or clogged, you may need to replace some of the components with a carburetor rebuild kit. Make sure to purchase a kit that is compatible with your generator model.

In summary, these are the essential tools and equipment needed to clean a generator carburetor. Having the right tools and safety gear will help you complete the task effectively and prevent potential injuries.

3. Step-By-Step Guide To Cleaning A Generator Carburetor

Cleaning your generator carburetor is essential to ensure that it runs smoothly and efficiently. It is a relatively simple process that you can perform with a few basic tools. Here is a :

Step 1: Remove the carburetor from the generator. This process may vary depending on the model of your generator. Refer to the user manual for instructions.

Step 2: Disassemble the carburetor by removing all the screws and bolts holding it together. Be careful not to lose any small parts.

Step 3: Soak the carburetor in a carburetor cleaner solution. This solution helps to break down the dirt, grime, and varnish buildup inside the carburetor. You can purchase carburetor cleaner solution from any auto parts store.

Step 4: While the carburetor is soaking, use a wire brush or toothbrush to clean the outside parts of the carburetor, such as the mounting bolts and linkage.

Step 5: After soaking the carburetor, use a small brush to clean the jets, needles, and other small parts. Be sure to clean all the holes and crevices in the carburetor.

Step 6: Dry the carburetor using compressed air or a clean cloth.

Step 7: Reassemble the carburetor and reinstall it in the generator.

Following these steps will help you to clean your generator carburetor effectively. However, if you find that your carburetor is still clogged or dirty, you may need to seek the assistance of a qualified generator technician or mechanic.

Cleaning your generator carburetor is crucial, but it is equally important to prevent it from getting clogged up in the first place. Check out our next section to learn some tips and tricks for preventing generator carburetor build-up.

4. What To Do If Your Generator Carburetor Is Clogged


If you have been using your generator for a while and notice that it has started to run poorly, it might be because the carburetor is clogged. Symptoms of a clogged carburetor include a generator that won’t start or one that sputters when it does start. Fortunately, cleaning a clogged carburetor is not difficult, and you can do it yourself with just a few tools and some time.

Tools You Will Need:

  • Gloves
  • Clean clothes or rags
  • Clean gasoline
  • A carburetor cleaner solution
  • A Phillips head screwdriver or wrench (depending on your generator)
  • A bowl or bucket to soak parts in

Step-By-Step Guide:

  1. Turn off your generator and let it cool down completely before you start cleaning the carburetor.
  2. Remove the air filter, fuel line, and carburetor bowl. The carburetor bowl might have a drain bolt that you will need to use the wrench or Phillips head screwdriver to remove.
  3. Soak the carburetor bowl, jet, and other small parts in a bucket of clean gasoline for about an hour.
  4. Use the carburetor cleaner solution to clean the carburetor bowl, jet, and other small parts. Spray the solution on all the parts and wipe them clean with a cloth or rag.
  5. Reassemble the carburetor, making sure that all the gaskets are in place.
  6. Reconnect the carburetor bowl, fuel line, and air filter.
  7. Fill the tank with clean gas and start the generator.


If cleaning the carburetor doesn’t solve the problem, you might need to replace the carburetor. You can order a new carburetor online or from your local generator dealer. If you are not sure how to install a new carburetor, it is best to seek professional help.

Preventing Generator Carburetor Build-Up: Maintenance Tips And Tricks

To prevent your generator carburetor from getting clogged, you should maintain your generator regularly. This includes changing the oil, replacing spark plugs, and checking the air filter. You should also use high-quality gasoline and keep the fuel tank clean. If your generator is not in use, you should drain the gas from the tank and carburetor to prevent varnish build-up. Regular maintenance will help to keep your generator running smoothly and extend its lifespan.

5. Preventing Generator Carburetor Build-Up: Maintenance Tips And Tricks

To ensure your generator carburetor remains in top condition, it is essential to take proper care of it. Here are some easy maintenance tips and tricks you can follow to prevent generator carburetor build-up:

Clean Or Replace Air Filters Regularly

The air filter in a generator carburetor plays a critical role in keeping out dirt and debris that can clog the carburetor. Therefore, it is necessary to clean or replace the air filter regularly to ensure that the carburetor remains clean. You should check your manufacturer’s instructions to know how often to clean or replace the air filter.

Add Fuel Stabilizer To Your Fuel Tank

Generator carburetor build-up often occurs due to fuel oxidation and gumming. Adding a fuel stabilizer to your fuel tank can help prevent this. Fuel stabilizers can keep impurities from building up in your carburetor and fuel system by extending the shelf life of gasoline and diesel fuel for a prolonged period.

Run Your Generator Regularly

Running your generator regularly can help prevent carburetor build-up. Starting your generator every month and running it for a few minutes ensures that fuel is flowing through the system. This action helps to prevent sediment from building up and improves overall performance.

In conclusion, by following these simple maintenance tips and tricks, you can help prevent generator carburetor build-up and prolong the life of your generator. Remember to regularly check your manufacturer’s instructions for recommended intervals on cleaning the air filter, adding fuel stabilizer, and running your generator. By doing so, you can ensure your generator is always up and running when you need it most.

People Also Ask

Why do I need to clean my generator carburetor?

Cleaning a generator carburetor is essential to ensure the optimal performance of your generator. Over time, dirt, debris, and leftover fuel can accumulate in the carburetor and cause blockages, which can reduce fuel efficiency and lower power output.

When should I clean my generator carburetor?

You should typically clean your generator carburetor if it starts to run poorly or if it has been sitting for an extended period of time without use. Additionally, if you notice that your generator is consuming more fuel than usual, it may be time to clean the carburetor.

What materials do I need to clean a generator carburetor?

To clean a generator carburetor, you will typically need cleaning solvent, compressed air, a wire brush, and a small brush for detailing. You may also need a carburetor rebuild kit in case you need to replace any components.

Can I clean my generator carburetor myself?

Yes, you can clean your generator carburetor yourself, but it requires proper knowledge and tools to do so. If you are not confident in your ability to clean the carburetor, it is recommended to seek professional assistance.

Is it possible to prevent carburetor buildup in my generator?

You can prevent carburetor buildup in your generator by using high-quality gasoline and adding a fuel stabilizer to the gasoline. Additionally, it is recommended to run your generator for a few minutes every month to circulate the gasoline and prevent any blockages from forming in the carburetor.


Cleaning a generator carburetor is essential to ensure the optimal performance and longevity of your generator. With proper knowledge, tools, and materials, you can clean your generator carburetor yourself. However, if you are not confident in your ability to clean the carburetor, it is recommended to seek professional assistance. Additionally, taking preventative measures such as using high-quality gasoline and a fuel stabilizer can help prevent carburetor buildup.