Briggs & Stratton Lawn Mower Engine Exhaust Gasket #691881

This video provides step-by-step instructions for replacing the exhaust gasket on Briggs and Stratton small engines, commonly found in Toro, Lawn Boy, and John Deere lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, and generators. The most common reason for replacing the exhaust gasket is if it is damaged in some way, allowing air to leave the engine without going through the muffler, causing the engine to be loud.

Click here to purchase Part #691881:

Additional small engine repair, troubleshooting tips, help with finding your model number, and part replacement videos:

All of the information in this exhaust gasket replacement video is applicable to the following brands: Toro, Lawn Boy, John Deere, Briggs & Stratton

Tools used: flat-head screwdriver, hammer, 7/16” socket, Phillips head screwdriver, 5/16” socket or nut driver, 3/8” socket or nut driver, pliers

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One thought on “Briggs & Stratton Lawn Mower Engine Exhaust Gasket #691881

  1. I replaced old worn out muffler gaskets, adjusted the choke thermostat per instructions, and now the mower starts, sputters and dies. It was running before, just making a lot of noise since the muffler was lose and vibrated. Could the choke thermostat adjustment cause the sputtering?

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