Model #917386040 CRAFTSMAN Walk Behind Lawnmower, Gas

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Question and Answers

Q:

Craftsman eager-1 mower 917386040. I took apart the car. The bottom bolt has 1 tiny hole. Can I buy a bolt with several ports to let in more gas? Mower stalls.

A:

Managemylife.com is always a great resource to find the answers to just about anything. Your expert will research your question and respond within two business days but usually sooner. Have a great day!

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Alina F. -
May 31, 2012
A:

Thank you for your question.

I am sorry you are having a problem with the mower. I will be happy to assist you with this. The main jet/bowl nut is the only one offered for this engine. If the mower start and stalls, you are right it is not getting enough fuel. I am not sure what all you cleaned on the carburetor but I found a video that shows how to clean the complete carburetor. Click here to watch the video. If the engine still is not getting enough fuel, you can try drilling the jet out a little more. I do not recommend doing this because there is no way to know how big to drill it without a special tool called a jet drill. The jet drill has many different size bits. You find the one that just fits and use the next size up. If you try that, I recommend looking for an air leak between the engine and the carburetor first.

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
June 03, 2012
A:

I've seen carb nut/ports with larger ports than mine that go through. can I buy a nut with larger holes that will fit my carb? Thanks

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Lawrence -
June 04, 2012
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Q:

why is gas leaking from air filter on craftsman lawn mower

A:

Your float is stuck in the carb. Try tapping on the side of it to break it loose, not to hard though. If that doesn't work then you will need to take the bowl off the bottom and move the float up and down, probably trash in it. May need to take it all the way off and clean the needle and seat which is on top of the bowl.

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Mike -
May 07, 2010
A:

This problem is likely caused by the carburetor float being stuck in the "down" position. Here is a link for a previous answer that provides more details on this type of problem: Why is fuel pouring out of the air filter breather port hole?

If you do not feel confident repairing this problem yourself, then you can have it repaired by a Sears technician. Here is a link that will provide the nearest drop-off locations: Sears Home Services .

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Lyle W -
Sears Technician
May 09, 2010
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Q:

How do I change the spark plug on my mower?

A:

You can find the model of the engine listed in the parts for your mower model. And viewing the engine model on Sears PartsDirect or in the image below you can see where the spark plug is at and what you might need to do to get to it. The spark plug is on the left hand side of the image below, reference number 185.

After any covers are out of the way you just remove the spark plug lead and cap from the spark plug and screw the plug out with your wrench.

The engine model I used to get the image is 143.964502.

If you only have starting problems when the engine is hot it might be related to a service advisory for September of 1996. If the fuel was fresh, the air filter clean and not blocked, and the spark plug okay, the advisory offered a part number for a washer that could be installed in the carburetor and might help. That advisory was sf71-393, related to hot starting only, and the washer number was 632158 but we recommend any work done to the carburetor be down by a professional to assure the unit is repaired and still meets all emissions regulations.

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HVAC & Fireplace Bucket -
Sears Technician
April 21, 2008

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