Cleaning dirty carburettor

• Turn off the fuel valve
  

• Remove the carburettor completely from the engine
  
• Open the carburettor up most small engine carburettor have a nut or a screw at the bottom of the carburettor bowl.
  

  
  

• Pay close attention to the layout of the interior of the carburettor.
  
  

  
  

• Inspect the needle to determine if it is stuck or sticking. The needle should move easily and smoothly.
  

  
  

• If needle appears to be suck it needs to be cleaned. Remove it and clean it using a wire brush and either carburettor cleaning or brake cleaner.
  

  
  

• Spray carburettor cleaner or brake cleaner into the fuel lines throughout the carburettor.
  

  
  

• If you have carburettor test, use it to test the carburettor.
  

  
  

• Reassemble the carburettor and attach it to the engine.
  

  
  

• Test the engine to determine if it is functioning properly.