The Briggs and Stratton 550 EX With The New Plastic Style Carburetor wont start and needs a good going through. In this video we will drain the old gas and remove and clean the carburetor bowl and Jet. If you need to replace the jets instead of cleaning them the part number is Briggs PN: 592792.

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The 550ex Series™ Push Mower Engine. Powerful, yet economical. Performance and value rolled up into one unbeatable package.
Overhead Valve (OHV) Engine Design
OHV engines run cooler and cleaner for better fuel economy and longer engine life.
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Briggs and Stratton 550EX Lawn Mower engine on a Yard Machines walk behind mower won't start. This video shows how to service the carburetor, and drain the old yellow gas. These engines are used on many mowers including: Yard Machines, Craftsman, Briggs and Stratton and many more. Troy Bilt MTD Craftsman