How to Clean a Go-Kart Carburetor

Cleaning your go-kart carburetor should be part of your regular maintenance routine. A well-maintained carburetor optimizes the air-to-fuel ratio, improving your racing performance. Carburetors can become clogged or leak fuel after extensive use, so cleaning them periodically is essential.

To clean a go-kart carburetor, you’ll need the following:

  1. Screwdriver
  2. Cloth
  3. Carb cleaner (e.g., Gumout Carb Cleaner)

This guide will walk you through cleaning a go-kart carburetor, including removing the carb, cleaning the parts, and reassembling everything.

Key Takeaways
Regular carburetor cleaning improves go-kart performance and maintains an optimal air-to-fuel ratio.
Remove and disassemble the carburetor to clean each component, then reassemble and reinstall.
Optionally clean related parts, such as fuel lines, fuel filter, and air filter for better overall performance.
Establish a regular maintenance routine to keep your go-kart in top condition for enjoyable rides.

Related Article: Best Go-Kart Carburetors

1. Remove the Carburetor From Your Go-Kart

First, switch off the engine and ensure you can access the carburetor. Remove the fuel line from the fuel inlet, the intake manifold, and the fuel outlet going into the engine. Place a cloth underneath to catch any spilled fuel. If the carburetor is inside the engine housing, consult the engine owner’s manual for removal instructions.

2. Disassemble the Carburetor

After removing the carburetor, clean its exterior with a cloth, brush, or air spray. Then, disassemble the carburetor by removing the following parts:

  • Float bowl
  • Float needle
  • Float pin
  • Float
  • Main jet
  • Pilot jet
  • Fuel screw
  • Choke

3. Clean All Carburetor Parts

Lay all parts on a table and clean them individually using a cloth, brush, or carburetor cleaner. For each component, follow these cleaning steps:

  • Float bowl: Remove the rubber gasket, clean it with a cloth, and use a carb cleaner on the inside and outside surfaces of the float bowl. Wipe it dry with a cloth.
  • Float, float pin, and float needle: Clean these parts using an air spray or cloth.
  • Main jet and pilot jet: Clean both jets inside and out using carb cleaner and an air spray. Inspect them before and after cleaning.
  • Fuel screw: Apply carb cleaner to the screw and wipe it with a cloth.
  • Choke: Apply carb cleaner to the choke and wipe it with a cloth.
  • Carburetor: Clean all interior and exterior areas, valves, and inlets with carb cleaner, cloth, and air spray. Inspect them thoroughly.

4. Reassemble and Reinstall the Carburetor

Reassemble the carburetor in reverse order of disassembly. Reinstall the choke, fuel screw, pilot jet, main jet, float needle, and float pin. Then, attach the float bowl with its rubber gasket. Reinstall the carburetor on your go-kart, reconnect the fuel lines, and attach the air filter through the intake manifold. If your engine has a housing, reinstall it securely.

5. Clean Related Parts (Optional)

It’s also a good idea to clean parts connected to the carburetor, such as:

  • Fuel lines
  • Fuel filter
  • Fuel tank
  • Air filter
  • Intake manifold

Cleaning these parts ensures that the air and fuel entering the carburetor are free from impurities, improving performance and reducing maintenance requirements.

6. Test Your Go-Kart

After reassembling and reinstalling the carburetor and cleaning all related parts, it’s time to test your go-kart. Start the engine and allow it to idle for a few minutes, ensuring the carburetor functions correctly. Listen for unusual sounds and check for fuel leaks around the carburetor and lines.

7. Fine-Tune the Carburetor (Optional)

You may need to fine-tune the carburetor settings to optimize your go-kart’s performance. Adjust the fuel screw and the air mixture screw according to your engine’s specifications. Consult your engine owner’s manual for recommended settings.

8. Regular Maintenance

Establish a regular maintenance routine to keep your go-kart performing at its best. In addition to cleaning the carburetor and related parts, check the following components regularly:

  • Spark plug
  • Oil level
  • Chain tension and lubrication
  • Tire pressure and wear
  • Brake system

9. Troubleshooting

If your go-kart is experiencing performance issues even after cleaning the carburetor, consider checking the following:

  • Replace the spark plug if it’s worn or damaged.
  • Inspect the ignition system for any faults.
  • Check for air leaks in the intake manifold and gaskets.
  • Examine the fuel filter for blockages or damage and replace if necessary.
  • Ensure the fuel quality is suitable for your engine.

10. Keep a Record of Your Maintenance

Log all services and repairs performed to help track your go-kart’s maintenance. Include dates, descriptions of work done, and any parts replaced. This record will help you plan future maintenance and troubleshoot any issues.

Related Article: Go-Kart Carburetor Adjustment Guide


Properly cleaning and maintaining your go-kart carburetor is essential for optimal performance and longevity. Following this guide and establishing a regular maintenance routine ensures your go-kart remains in top condition for many enjoyable rides.


Goran, an experienced go-kart racer, fuels with his passion and expertise. He offers valuable insights and tips for fellow enthusiasts, fostering the growth of the go-kart community. Join Goran at and immerse yourself in this exhilarating sport.

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