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Craftsman riding mower seems to be overheating

I have a 2004 Craftsman LT2000 Performance Series riding lawnmower after mowing for about 10 minutes, the mower starts to die as if it is chocking itself out as if it was not getting enough gas. If i choke it, it would run for a little while longer, but would eventually die out again. I replaced the fuel, fuel line, fuel filter, fuel pump, fuel solenoid, and cleaned the carb inside and out. I changed the plugs and checked the coil for good spark. Everything seems to check out, including the vented gas cap. Tonight I noticed that the exhaust manifolds were glowing bright red after running for about 10 minutes. I can only imagine that they are burning too hot and maybe cause vapor lock since the fuel line gets too hot to touch. What is causing this? A LOT of people seemed to have the same problem with no idea how to fix this. Every time I google lawn mower dieing while mowing, 75% of the results are Craftsman brand mowers. Please help! It is not a lot of fun to push mow

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Craftsman , Lawn Mowers
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3 Answers from these members:
Mark T
Thank you for your question. Two things will cause an engine to over heat. The first is clogged cooling fins on the engine. When the engine is running the blower wheel has to force move air a crossed the fins to cool the engine. I recommend removing the engine blower housing and blow the fins and the blower screen out with compressed air.

The second cause is a partly plugged main jet in the carburetor causing the engine to run lean. When an engine burns lean, it runs hotter. To repair this problem I recommend cleaning the carburetor. You have to remove the float bowl and use a soft wire and carburetor cleaner to open the jet back up.

If the fuel line is too close to the engine block it will heat up, cause a vapor lock, and eventually stall the engine. You had mentioned the fuel line is getting hot. I recommend rerouting the fuel line or use something to insulate the fuel line.

When the engine stall you have to fine out if the engine still has spark. The engine might be heating up and the coil is breaking down. If this is the case, you have to replace the ignition coil. If the engine still has spark the problem is most likely a fuel delivery issue. Next time the engine starts to die, loosen the fuel cap, and see if it straightens out. If it does run better, I recommend replacing the fuel cap. A plugged fuel cap Is usually the cause of this type of problem. I hope this information is helpful. If you need further assistance, please submit more details.

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Here is a link to order any parts you need.

Sears Parts Direct

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by Mark T Earned 1,607 community points in Craftsman
August 18th, 2010
Answered in 11 hours
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Manage My Life
Sorry. Model Number 917.273780 Engine Model 407577 Type 0283-EL
by Manage My Life
August 18th, 2010
Answered in 9 hours
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Manage My Life
"Adding more specific details and including a model number will get you a better answer from one of our experts"
by Manage My Life
August 18th, 2010
Answered in 8 hours
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