Model #917373680 CRAFTSMAN Walk Behind Lawnmower, Gas

  • Gear Case Assembly
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  • Main Frame
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  • Drive Assembly
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Question and Answers

Q:

Lawn mower will not start Model 917373680 lawn mower

A:

Thanks for the inquiry and for being a valued member.

I am sorry to hear of the starting issue you’re having with the mower. I know how frustrating that is to have happen.

There are three basics the engine needs: Ignition, Compression, and Fuel.

First, go back to the spark plug. Remove the lead, or wire, that connects from the engine to the plug. Remove the plug and put it back in the lead. Now position the lead so the metal end of the plug is against the engine or another clean unpainted metal ground point. Keep your hands away from the plug so you do not get shocked, and have a helper pull the rewind start. Look for sparks at the end of the spark plug. Look carefully as it might be hard to see in sunlight or other bright lights. If there is spark there then you have ignition, the first of the three basics. If not, the spark module will likely need replacement.

The engine should have been spinning over faster once the plug was removed and you should hear air rushing out of the spark plug holes in puffs. You could even try putting a thumb or finger over the plughole to see if the pressure pushes your finger off when turning over, just be careful not to touch the grounded plug so you do not get shocked. If that all happens then you have the second ingredient, compression. If not then you may need a valve adjustment or may have a broken component inside the engine. 

That leaves fuel. Check the tip of the plug you just removed, if fuel is reaching the engine there should be some residue there and it should look somewhat wet. If you used your finger to check compression then you may even see some residue on your finger. If there is fuel here, your problem may be old fuel or a timing issue. Try putting a small amount of good fuel into the throat of the carburetor and try to start. If your problem is fuel related only, the engine should now try to start, or even run, until the fuel you put in is gone. That would indicate the fuel supply is being stopped in the fuel tank, fuel line, fuel filter, or carburetor. 

If you would feel more confident have a Sears Home Service technician help assist with the diagnosis/repair, you can call 1-800-469-4663, or click here to be directed to the page to set up service.

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

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Jeff Wallace Sr -
Sears Technician
July 05, 2015
Q:

drive wheels P/N 700783 917373680 Craftsman Lawn mower

A:

Thanks for the inquiry and for being a valued member.

Unfortunately, due to the age of the mower, the wheels are no longer being produced and we have since ran out of stock. I do not see a direct substitute to the original wheels. 

If you go online and Google the part number, you will still find some in circulation. Maybe buy an extra set so that you will have some spares for the future. 

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

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Jeff Wallace Sr -
Sears Technician
April 23, 2015
Q:

Mower Starts After priming But Wont Stay Running 917373680 Craftsman Lawn mower

A:

Thanks for the inquiry and for being a valued member.

I am sorry to hear of the issues you’re having with the mower starting. I know how frustrating that is.

This definitely sounds like an issue with the carburetor. You more than likely have a varnished carb that is in need of a thorough cleaning. The main jet is probably clogged, and/or the needle is sticking.

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. 

I do not see a rebuild kit offered for the carburetor. If you need any gaskets, you can plug your engine model of 143.434332 into Sears Parts to order the needed parts. If you want to order a replacement carburetor to avoid the cleaning, it’s part number 632681.

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

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Jeff Wallace Sr -
Sears Technician
April 08, 2015

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