How to Clean the Carburetor of a Small Engine

Bob Agner, head of Subaru’s warranty service department, takes viewers through a step-by-step process of cleaning small engine carburetors. Tune in to watch Agner address one of the most common culprits of small engine problems and get tips on how to maintain your engine properly to avoid future issues.

Drain the carburetor bowl 1:27
Remove carburetor bowl 1:58
Remove the air filter assembly 2:24
Remove and clean the carburetor’s main jet: 2:55
Remove the carburetor: 4:27
Remove and clean the idle jet 5:06

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19 thoughts on “How to Clean the Carburetor of a Small Engine

  1. Hi.  I have a pressure washer with a Subaru EX21 engine and I wanted to know how to remove the air cleaner cover to check/replace the air filter element.  Mine has the solid air cleaner cover (no hole on top with a threaded stud and wing nut) and it is very tightly attached to the air cleaner housing.  I've tried to pop it off but it won't budge and I'm afraid to break it.  Any help is greatly appreciated.  Thanks.

  2. enjoyed the demo. my pressure washer engine (7.0 ex 210 will not stay running so I followed your instructions as you described. I could not remove the plastic filter at the side of the carb so as a consequence the engine is still not operating properely. Mike G

  3. I can't stop the gas from pouring out after cleaning the carb, had it apart several times looking at the needle and seat, both are clean and no sign of pits,scratches or anything else. I used air to blow out the carb and wondered if there's an o-ring seal that goes in the needle seat?

  4. Thanks – Great video. I cant get the strainer bowl on mine to budge, though. It feels like it's going to break if I apply anymore force to it. Any ideas on removing it without destroying it, or do I just have to tear it and order a replacement?

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