The Seal-O Ring, also known as the gasket, is red in color, made of rubber, and is an OEM part that requires some skill to replace. This part is designed to create a seal between the carburator and manifold, to prevent air from entering. If your engine loses power, creates a hissing noise, or if the gasket appears damaged or your engine running improperly it may be time to replace the part.
If you run the engine and spray the outside of the carburator with soapy water, you can test whether or not the gasket is leaking by listening to the sounds produced. If the sound smooths out then you've found your leaky gasket. Damage may occur over time, especially if the part dries out, and make the part appear stretched or worn out.
When making this medium-difficulty repair, make sure the new gasket is fitted properly between the carburetor and intake manifold.
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Troubleshooting
This part works with the following products:
Engine, Lawn Tractor, Lawn Mower.
This part works with the following products:
Briggs and Stratton, Toro, Cub Cadet, Simplicity.
Part# 691917 replaces these:
691917
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Andrew PS M - August 14, 2019
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Air filter housing/carburetor seal
Seal was correct size. But the air filter housing base had the same seal included. (This was not disclosed in the description of the base for the air filter)
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Average Repair Rating: 2.8 / 5.0, 1 reviews.
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Screw can out of the carburator throttle baffel and stuck in the exhaust valve
No compression. Removed the cylinder head. freed the screw, checked the valve to see if it still sealed. Turned the head over with the valves in it, install a spark plug, fill the head dome with gas and see if any leeks out over a 2 hr period. If not you are good to go. Reinstalled every thing with new gaskets and a new carburetor screw.
... Read moreSet the valves to spec. Complete the rebuild and there you have it. Rebuild the carburetor while you have it apart. This motor runs great !!!