This video provides step-by-step instructions for replacing the pre-cleaner key on Briggs and Stratton small engines, commonly found in lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, and generators. The most common reasons for replacing the pre-cleaner are when the engine is hard to start, or as preventive maintenance whenever you replace the air filter or notice the pre-cleaner is dirty or damaged in any way.
Click here to purchase Part #493537S: https://www.repairclinic.com/PartDetail/Pre-Cleaner/493537S/1567899?TLSID=1876
Click here to purchase an air filter for this engine: https://www.repairclinic.com/PartDetail/Air-Filter/491588S/1604599?TLSID=1876
Additional small engine repair, troubleshooting tips, help with finding your model number, and part replacement videos: https://www.repairclinic.com/RepairHelp/Small-Engine-Repair-Help?TLSID=1876
All the information in this pre-cleaner replacement video is applicable to the following brands: Briggs & Stratton, John Deere, Lawn Boy, Toro
Tools used: flathead screwdriver
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