Question about Craftsman 7.8 Generac Generator Engine Muffler Exhaust 4200 Watt Part No. 83071

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I have a craftsman generator model 3580.327140 it will start and run for a minute then dies it doesn't seem to be a fuel problem I just changed the oil could it be the autamatic shut off from the

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: craftsman garden tractor stalls after running for about 20 minute

do you have the right fuel filter? some are for pressure and some are for gravity feed, the pressure type (fuel pump) wont flow the gas correctly. another possibility would be the coil.

Posted on Jul 07, 2009

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  • 1 Answer

SOURCE: Craftsman gas 25cc weedwacker starts, runs a few secs, then dies

The gas take up line is disconnected or is broken. I have the same problem and need to find a diagram to fux it.

Posted on Aug 28, 2009

  • 138 Answers

SOURCE: Craftsman LT1000 ridign mower engine dies after 15 min-deadman on

There are several things that could be going on, but what you said in your description about the dead man switch in the seat may need your attention first. The switch it self could also be bad. After you rule this out the next thing I would check is the fuel shut off solenoid located on the carb when you turn the key on to run you should hear a click and feel it in the solenoid. After this you may have a fuel pump issue or a coil issue. but from what you I have described I believethe first 2 itmes I mentioned should fix your problem

Posted on Oct 09, 2009

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SOURCE: my Model 91915294 5hp 25gal Craftsman sir

Sounds like a leaking valve to me thats why no shut off.

Posted on Mar 05, 2010

daneinwv
  • 124 Answers

SOURCE: I have a Craftsman 625

Hello,
My name is Dane and I am going to try to help you solve your problem.

I believe that you have clogged jets/passages inside of your carburetor. This can happen when an engine gets little use, allowing the fuel in the system to get old and begin breaking down. If fuel is left in a Carb for more than a year, it can eventually turn into a jelly like consistency, and clog the fuel system. What I believe is happening in your case is that the float needle inside the Carb is not allowing gas to enter the carb fast enough to keep up with demand. That's why it will run for 10 minutes and then shut down. After it sits for a while, the float bowl slowly fills back up and it will run for 10 more minutes.

Now for the bad news. This is an extremely difficult carb to work on. It is all I can do to get these Carbs off an engine and back on again to clean them. They are tough because you have a big air filter housing and 2 long bolts with gaskets and then the carb itself and spacers, that you have to hold together as a unit and start the bolts holding the carb to the engine. If you are a good enough mechanic to do this, you will already know how to do it. If not, I honestly suggest you take it to a shop and let them clean it for you. A new Carb isn't all that expensive, so you may want to consider just letting them replace it instead of cleaning.

I hope I've helped. If you found this information useful, please leave feedback as deserved. Thank you! Dane

Posted on Dec 04, 2010

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