How to Clean a Chainsaw Carburetor in Simple and Easy Steps?

Richard McMann

Knowledge Based

cleaning a chainsaw carburetorSomeone somewhere may be curious about how to clean a chainsaw carburetor?

Cleansing your chainsaw carburetor will never be a problem if you follow this advice. Your cleaning procedure will always be a breeze if you grasp its two primary tasks: supply air and fuel to the engine’s ignition chamber.

When you understand this knowledge, you will never spend time or money visiting your local engine shop to clean your carburetor. Wiping your equipment is as easy as these five procedures; just have a look at them.

A Step-by-Step Guide on How to Clean a Chainsaw Carburetor in 2024

Step 1

A filthy or clogged filter will prevent the necessary air from entering the ignition chamber. This will render your engine inoperable. Assume its metal, and it can be clean by soaking it in a liquid cleaning solvent. Furthermore, if your filter is made of paper, it is prone to dissolve in the liquid cleaning solutions. Therefore, it is best to change it.

Step 2

When you’ve completed step one, the next action is to restart it. Assume the chainsaw won’t start and it’s stubborn enough, then inspect the wind inlet area for sticky residue. The waste is gold/brown, and it is generally visible. When you find them, clean them by spraying the sticky surface with a spray cleaner.

Step 3

Check the needle valves of your chainsaw ,if it won’t restart since the propane deposits may clog them. This might happen when you add gasoline to your saw. After washing the needle valves, dry them to drain the washing agents before reinstalling them.

Step 4

To make the addition break down the sticky residue, give your pull cord several hard pushes and alternate with brief pauses. To eliminate the obstinate residues, your washing operation will demand a constant flow of fuel cleaning products. Pulling your cable will result in a few rest intervals. Move your cleaning chemicals through the valves on your equipment to remove the sticky residue left on the surfaces.

Step 5

Often the problem is caused by that propane that has condensed and mixed with the old diesel or gasoline. Just empty the old gas from the tank and replace it with clean gas in this situation. Changing the old fuel will address some of your engine’s issues because the new gasoline has no pollution that might clog your engine’s components. Also, if the preceding measures fail, there is no need to give up and scrap your engine. Bring it to your local engine shop, where some technicians qualified to repair battery chainsaws will evaluate your engine and cure the problem.

With the easy five actions outlined above, you’ll be cleaning your machine without the need to see a professional to fix your chainsaw. Furthermore, if your gadget breaks, you have no alternative but to contact a neighboring engine shop where specialists fix your equipment.

Learn More: Are Chainsaw Chains Universal?

How to Clean a Chainsaw Carburetor Without Removing It?

Assume your chainsaw’s carburetor hasn’t been cleaned in a long time. The best method to clean it is to take it apart and open it. Then, using a brush and cleaning solvent, thoroughly clean it. Nevertheless, if you clean the carburetor regularly and know that the gum accumulation isn’t too bad, you may clean it without even disassembling it. A carburetor cleaning liquid is required to clean a carburetor without removing or opening it. The following is the cleaning procedure:

Step 1

First, mix some carburetor cleaning into the gasoline in your chainsaw’s fuel tank. I suggest mixing 4 ounces (113 grams) of B12 carburetor cleaning into a tank of gas. Using a funnel, carefully pour the carburetor cleaning into the gas tank.

Step 2

Start the chainsaw after combining the carburetor cleaner with the gas. Allow the chainsaw to run at low RPMs/idle for a few minutes. This allows the cleaner to pass through the carburetor, fuel systems, and idle engine.

The cleaner will wash away the sticky residue clogging the components, resulting in a clear path for the air and fuel. Turn down the idle dial when the RPMs begin to rise.

Step 3

If you want to properly clean your chainsaw’s carburetor, put some spray B12 in the pilot air jet. This carburetor component serves the intake mouth. Its sensitivity and the possible hazards connected with it is destroyed. It is normally kept from view. Consult your chainsaw’s owner’s handbook to determine where the carburetor’s pilot air jet is located.

Step 4

To put your chainsaw through its paces, run it at full throttle if it starts effortlessly and continues to operate at high speed with no sign of speed or power decrease. It signifies you cleaned the carburetor properly.

Related: How does a Chainsaw Carburetor Work?

Cleaning a Corroded Carburetor

Cleaning a rusted chainsaw carburetor is often more difficult and time-consuming since it must be disassembled and scrubbed. Prepare a diluted carburetor cleaner and water to clean a rusted carburetor. After cleaning the air filter, remove and dismantle the carburetor. Scrub/wash the separate sections with the prepared cleaning solutions using a brush. Finally, use a clean towel to dry all the cleaned pieces before assembling the carburetor. Reinstall it, and your chainsaw is ready to go.

Assume you believe that removing and dismantling the carburetor on your chainsaw is too difficult. And that you may end up damaging it throughout the surgery. Seek expert assistance.

Check complete video tutorial on cleaning a chainsaw carb by Helping U Online


Is it possible to clean a chainsaw carburetor with vinegar?

It’s preferable if you don’t clean your chainsaw carburetor with vinegar. A typical question I hear from chainsaw users is whether or not to use vinegar. Cleaning a carburetor should always be done using non-corrosive products.

Is it possible to clean a chainsaw carburetor with seafoam?

Sea Foam Spray may use to clean your chainsaw carburetor properly. The washing solvent in Sea Foam spray is petroleum. Furthermore, it provides lubrication to the carburetor’s numerous components. It’s an excellent carburetor cleaner for chainsaws.

Is it possible to clean a chainsaw fuel filter?

Normally, the chainsaw fuel filter is not clean. They are fairly inexpensive, so there is no reason to replace them. Remove the rear end cap (along with the weight), pull out the sponge, and wash/clean those components.


After How to clean chainsaw carburetor, it should be evident how crucial it is to maintain your chainsaw. Always use a high-quality product while caring for your equipment. Maintain your manufacturer’s recommended maintenance regimen. There is no better method to maintain consistency in your treatment. And, even after routine maintenance, your machine continues to function normally. We hope that this post has provided you with enough information to assist you in extending the life of your chainsaw.

Richard McMann
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