How to Properly Clean & Service a GY6 Scooter Carburetor

How to Properly Clean & Service a GY6 Scooter Carburetor

Clean 50cc and 150cc Tao Motor Scooter Carburetors like the pro's

Keeping your GY6 scooter carburetor clean and well-maintained is essential for optimal performance. A dirty or clogged carburetor can lead to poor fuel efficiency, rough idling, and even engine stalling. In this comprehensive guide, we will walk you through the step-by-step process of properly cleaning and servicing your GY6 scooter carburetor.

Tools and Materials You Will Need

  • Screwdriver set
  • Carburetor cleaner
  • Compressed air
  • Clean cloth
  • Small brush
  • Replacement gaskets (if necessary)
  • Latex gloves

Step 1: Safety First

Before you begin any maintenance work on your scooter, make sure the engine is turned off and the scooter is securely placed on a level surface. It is also advisable to wear gloves and safety goggles to protect yourself from any potential hazards.

Step 2: Access the Carburetor

Locate the carburetor, which is usually situated towards the rear of the scooter. Depending on your scooter model, you may need to remove the seat or side panels to gain access to the carburetor. Consult your scooter's manual for specific instructions.

Step 3: Remove the Carburetor

Using a screwdriver, carefully remove the screws or bolts that hold the carburetor in place. Gently disconnect the fuel line and any other connections attached to the carburetor. Take note of how these connections are made for easy reinstallation later.

Step 4: Disassemble the Carburetor

Once the carburetor is removed, it's time to disassemble it. Start by removing the float bowl, which is typically held in place by a few screws. Be cautious as you remove the bowl, as it may contain residual fuel. Empty any remaining fuel into a safe container and dispose of it properly.

Next, locate the main jet and idle jet, which are small brass screws inside the carburetor body. Carefully remove these jets using a screwdriver. Keep track of the order in which you remove the parts to ensure correct reassembly.

Depending on your carburetor model, there may be additional components such as an accelerator pump or an air mixture screw. If present, refer to your scooter's manual for instructions on removing these components.

Step 5: Clean the Carburetor

With the carburetor disassembled, it's time to clean each part thoroughly. Start by spraying carburetor cleaner on all the disassembled parts, including the float bowl, jets, and any other components. Pay special attention to the small orifices and passages, as these are often the areas where dirt and debris accumulate.

Use a small brush, such as a toothbrush or a dedicated carburetor cleaning brush, to scrub away any stubborn deposits. Be gentle to avoid damaging the delicate parts. If necessary, soak the components in carburetor cleaner for a few minutes to loosen stubborn grime.

After cleaning, rinse each part with clean water to remove any remaining cleaner residue. Then, use compressed air to blow out any water droplets and ensure all passages and orifices are completely dry. Wipe each part with a clean cloth to remove any remaining moisture.

Step 6: Inspect and Replace

While cleaning, carefully inspect all the carburetor parts for signs of wear, damage, or corrosion. Pay close attention to the float needle and seat for any signs of wear or contamination. If any part appears damaged or worn-out, it's best to replace it with a new one to ensure proper functioning.

Check the gaskets and o-rings for any signs of deterioration. If they are cracked or flattened, it is recommended to replace them with new ones to prevent potential fuel leaks.

Additionally, inspect the throttle slide and diaphragm for any tears or damage. If either component is compromised, they should be replaced as well.

Step 7: Reassemble the Carburetor

Once all the parts are clean and inspected, it's time to reassemble the carburetor. Begin by reinstalling the main jet and idle jet, making sure they are tightened securely but not overtightened to avoid damaging the threads.

Place the float bowl gasket back into position on the carburetor body. Carefully align the float bowl and secure it with the screws. Ensure that the gasket is properly seated to prevent any fuel leakage.

If you have removed any additional components such as an accelerator pump or an air mixture screw, reinstall them according to the manufacturer's instructions.

Step 8: Reinstall the Carburetor

With the carburetor fully reassembled, it's time to reinstall it back into its original position on the scooter. Carefully reconnect the fuel line and any other connections that were disconnected during the removal process. Double-check that all connections are secure.

Step 9: Final Checks

Before starting the engine, perform a final check of all connections and make sure everything is properly tightened. Inspect the carburetor for any potential leaks. It is recommended to perform a visual inspection and run your finger along the connections to check for any fuel seepage.

Once you are satisfied with the reinstallation and inspection, start the scooter and let it idle for a few minutes to ensure smooth running. Observe the engine's behavior and listen for any unusual sounds. If everything appears normal, you have successfully cleaned and serviced your GY6 scooter carburetor!

Tips for Maintenance

To keep your carburetor in top condition, here are a few additional tips:

  • Regularly clean your carburetor to prevent the buildup of dirt and debris.
  • Use fuel stabilizer if you plan to store your scooter for an extended period to prevent fuel deterioration and carburetor issues.
  • Inspect the air filter regularly and clean or replace it when necessary. A clogged air filter can affect carburetor performance.
  • Check the fuel lines for any signs of damage or leaks. Replace any worn-out or cracked fuel lines promptly.
  • Follow the manufacturer's recommended maintenance schedule for your scooter, including carburetor adjustments.


Regularly cleaning and servicing your GY6  scooter carburetor is crucial for maintaining its performance and longevity. By following these step-by-step instructions and utilizing the necessary tools and materials, you can keep your carburetor in top condition and enjoy a trouble-free riding experience. Remember to consult your scooter's manual for specific instructions and refer to a professional if you encounter any difficulties.

Back to blog