Model #917378441 CRAFTSMAN Walk Behind Lawnmower, Gas

  • Engine/housing/handle
    3 Results
  • Wheels/tires/bag
    3 Results
  • Gear Case Assembly
    3 Results
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Question and Answers

Q:

Lawn mower doesn't want to start!!

A:

A mower is definitely something we depend on and when it begins to malfunction it can be a huge inconvenience. While you are waiting for an expert to respond, I have attached a helpful link below that may provide information to assist you with your question.

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Yadira B -
August 19, 2012
A:

Thank you for your question.

I am sorry you are having a problem with the mower. If you had not tipped the mower over and it started to leak I suspect the float in the carburetor is not regulating the fuel level in the carburetor. Usually cleaning the carburetor will cure the problem. I found a video that shows how to clean the carburetor. Click here to watch the video. If this is something you would like to try be sure to move the mower to a ventilated area before you start the repair.


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
August 20, 2012
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Q:

How do you let the oil out of a Craftman 6.5 MRS (21-inch front drive) walkbehind lawnmower? Model number 917.378441

A:

Maintaining your lawn mower will allow it to run as good and long as possible! Below I have attached the link to your owners manual. I hope this helps!

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Jackie S -
March 27, 2011
A:

Thank you Jackie. But still no luck. I followed the directions to empty the oil (turn the mower on its side and remove the oil cap). However, the oil wouldn't come out . Perhaps I should wiggle the blade a little, or let the mower sit a few minutes longer on its side so it has time to drain......any thoughts?

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Eric -
March 27, 2011
A:

Thank you for your question.

I can understand trying to figure out how to change oil in the mower when the bottom drain plug is not accessible.

I am concerned that maybe there is not oil in the crankcase. I hope that is not the case and it is just air bound. If you have the mower on a level surface you can use the dip stick to check for the level on the stick. Most of these engines only hold about 18 to 20 oz.

I have given you a pectoral below from the owner's manual that illustrates that you tip the mower on its side to drain the oil out the same place you put the oil it.

You can also use a siphon pump if you choose to purchase one for doing this with out tipping the mower.

Oil change pump .

I hope this will help.

Thank you for using Manage My Life.

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Sam A -
Sears Technician
March 28, 2011
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Q:

How can I tell if the part number 802574 (armature,magneto) is the cause of my mower not starting?

A:

You can look at a parts diagram for your product at [www.searspartsdirect.com]. This will help in locating the parts on the product. You can get an owner’s manual at [http://www.managemylife.com/]. Open the page and enter the model number of the product.

You need to decide if the problem is no fuel or no spark.

Remove the spark plug and hold your finger or thumb on the hole the spark plug screws into. Get someone to pull the starter rope or engage the starter and the compression should push your finger off the spark plug hole. This will tell you the valves are operating inside the engine and you have compression.

Pour a thimble full of fuel into the hole the spark plug came out of. Quickly install the spark plug and pull the starter rope or engage the starter. The engine should try to start. This would tell you there is a spark and the engine will run if you get fuel. If the engine doesn't try to start, pour another thimble full of fuel into the cylinder. Look at the anode of the spark plug and see if it is wet. Try to start the engine again. If it still doesn't try to start, remove the spark plug and connect the ignition wire to the spark plug. Hold the bottom of the spark plug to a clean area on the engine block. Use insulated pliers or gloves to hold the spark plug to prevent shock. Get someone to pull the starter rope or engage the starter and see if you get a blue spark from the anode of the spark plug to the base of the plug. If there is no spark the ignition module on the engine is bad.

If you have spark the problem is in the fuel supply. Did you run the engine after draining the fuel to burn the fuel out of the carburetor? If not the carburetor will be clogged with the remnants of the old fuel and need to be replaced. If you ran the fuel out of the carburetor, the diaphragm or float is probably just dry and not flexing. You should take the carburetor apart and clean and soak the diaphragm with fuel or clean the float and needle and seat..

The fuel line might be cracked and letting air into it stopping the fuel from feeding the carburetor.

If you need more advice after trying these things, send another email and include the details of your tests and we will try to help.

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Jimmy K -
Sears Technician
October 27, 2009

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