Model #917377131 CRAFTSMAN Walk Behind Lawnmower, Gas

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Question and Answers

Q:

Hard to start after warmed up, won't run for very long and then dies, changed airfilter, spark plug 917377131 Craftsman Gas, walk behind lawnmower

A:

Thanks for the inquiry and for being a valued member.

I am sorry to hear of the issue you're having with the mower. I know how frustrating that is. 

I agree; I would focus on the carburetor. A thorough cleaning will usually do the trick unless it's pretty bad. I would pull the carb from the engine. With a full can of carb cleaner, a wire brush, and a bread tie wire to poke through and clean the main jet; I would recommend a very thorough cleaning. Start by taking off the float bowl. Douse it very liberally with carb cleaner, and undo the pin for the float, and remove the needle and float. Clean them very thoroughly with the wire brush and carb cleaner. Pay close attention to the seat the needle sits in and clean it well. Once clean, start brushing the carb bowl and body and make sure you get all the varnish out. It may take three or four brushings with carb cleaner dousing in-between. From there, take the straw of the carb cleaner and shoot carb cleaner through any little hole or passageway of the carb. Shoot out the throat of the carb and poke the main jet with the bread tie wire. You have to make sure you get everything the first time, if you leave anything behind, it’s likely to reclog once you have it reassembled.  

If you need the rebuild kit for this engine, the part number is 498260. If you would prefer replacing the entire carburetor, the part number is 799868. 

I hope this helps and thanks for using SearsPartsDirect.com. We appreciate your business. 

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Jeff Wallace Sr -
Sears Technician
July 26, 2015
Q:

gas is leaking from my mower

A:

Thank you for your question.

 

I am sorry you are having a problem with the mower. I will be happy to assist you. If the engine only leaks when it is running I suspect the carburetor bowl gasket is leaking. To confirm this is the problem, you will need to remove the air filter. Then remove the screws that secure the air filter base to the engine. Once the base is removed, you should be able to see carburetor bowl. The image below shows the location of the float bowl and gasket. Click on the image to enlarge it. Now that you have access to the float bowl tip the mower to one side then the other to see where the gas is coming from. If it comes from the top of the float bowl, you will need to replace the bowl gasket. The parts for the mower can be ordered from the following link. Replacement parts for a Briggs and Stratton engine 12H802-2640-B1.

 

 

I hope this is helpful.

 

Please let me know if you need further assistance.

 

 

Thank you for using Manage my life.

 

Mark T.

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Mark T -
Sears Technician
October 23, 2013
A:

Thank you for your question.

 

I am sorry you are having a problem with the mower. I will be happy to assist you. If the engine only leaks when it is running I suspect the carburetor bowl gasket is leaking. To confirm this is the problem, you will need to remove the air filter. Then remove the screws that secure the air filter base to the engine. Once the base is removed, you should be able to see carburetor bowl. The image below shows the location of the float bowl and gasket. Click on the image to enlarge it. Now that you have access to the float bowl tip the mower to one side then the other to see where the gas is coming from. If it comes from the top of the float bowl, you will need to replace the bowl gasket. The parts for the mower can be ordered from the following link. Replacement parts for a Briggs and Stratton engine 12H802-2640-B1.

 

 

I hope this is helpful.

 

Please let me know if you need further assistance.

 

 

Thank you for using Manage my life.

 

Mark T.

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Mark T -
Sears Technician
October 23, 2013
A:

Fuel tank has crack leaking gas

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Jim -
May 18, 2015
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Q:

I am trying to locate the gasket for the carburetor. 917377131 Craftsman Gas, walk behind lawnmower

A:

I can appreciate your desire to resolve this gas leak you're experiencing. Vincent, you didn't feel that the rebuild kit would have that particular gasket that you need? We'll be happy to review this further for you. I will forward your question to an expert who will investigate the matter further and get back to you. You will hear from them within two business days if not sooner. Until you hear from us, have a nice day.

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Henry -
July 07, 2013
A:

Thank you for choosing SearsPartsDirect.com. I understand how important it is to locate the correct parts for your mower. If you need the primer bulb gasket, that gasket comes with the bulb itself. We do have the complete gasket kit for your carburetor as well.
I have included two links to our PartsDirect page where you can purchase the part you need to complete your repair. Just click the blue links below to be taken to the page.
Carburetor Priming Bulb for Engine Model # 12H802-2640-B1
Carburetor Overhaul Kit for Engine Model # 12H802-2640-B1
If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services
Below, I have attached a schematic of your carburetor for reference, just click on the image. If you would like more assistance, reply to this thread and I will be glad to assist you further. Thanks for using SearsPartsDirect.com.

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Desirea -
Sears Technician
July 07, 2013
A:

I found the gasket. BRIGGS & STRATTON, Craftsman, Sears # 272653, 272653S, 795629 Air Cleaner Gasket. Yes it was included in the overhaul kit. Could you tell me if this gasket should be installed with adhesive or dry?

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Vincent -
July 08, 2013
A:

Hello! Thanks again for your question and for choosing SearsPartsDirect.com. The air cleaner gasket does not need any lubrication or adhesive. It will go on dry.
If you have further questions please let me know. Thanks for using SearsPartsDirect.com.

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Desirea -
Sears Technician
July 09, 2013
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