Question about Craftsman 17.5 hp 42 in. Deck Lawn Tractor - CA Model

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Craftsman 15.5 HP gets hot and shuts off, will restart and run

The mower will run normally for about 1/2 hour and get hot and shut off, will restart and run again for a short time and repeat this time get shorter progressively. Engines clean, new fuel filter and plug.

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Remove and clean the carburetor....its clogged with junk.

Posted on Jun 17, 2009


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Craftsman lawn tractor

Backfires are caused by unburned fuel, after you shut off the mower, and you try to restart it, if you have any leaks, it will push any unburnt fuel towards the muffler, and that will ignite once it gets in a hot muffler. First try starting it at 1/4 to 1/2 throttle. I also suggest you try shutting down the motor at 1/4 to 1/2 throttle.

What this problem usually means is you need to rebuild your carburetor, with this poor quality ethanol fuel they force us to use these days, it will eat up your gaskets and rubber seals inside your carb.

What I found that helped me with my mower, was using non-ethanol gas. Its hard to find and is usually expensive, but that solved most of the problems I was having with my 10 year old craftsman mower, which has the 17.5 kohler motor.

Apr 27, 2014 | Craftsman Garden

1 Answer

Our snapper shuts off after 15 or 20 minutes, does start back up after it cools - what do you think?

Could be the coil. Once it gets hot it shorts out and shuts the engine down then cools off and works again. OR it could be that the fuel cap doesn't vent and allow air into the gas tank causing a vacuum lock so fuel won't flow out of the tank. Just need to clean the fuel cap vent holes. Test for spark right away when it shuts down and still hot to find out if it is the coil. If the spark is gone when hot and normal when cold then it is the coil.

Oct 30, 2010 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

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Will start and run for a while then quits.

i am not a expert just trying to help you,, if crank and run for 10 to 15 minutes then shut off ,that sound like the magneto is getting hot (some call it a coil that makes the spark plug fire) it will crank and the same thing after a hour oor so of cooling down,,hope this help you

Oct 04, 2009 | Craftsman 20 hp 42 in. Deck Lawn Tractor -...

2 Answers

Tractor will shut down and will not start up again

Three things, replace air filter, replace fuel filter, and take carb off and clean it out, could have sediment in jets or float is sticking causing not enough gas to run through stalling out motor.

Aug 18, 2009 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

Mower cutting off when the engine heats up (Sears Craftsman)

sounds like you have magneto getting hot,,, next time it do it,, let it cool off for about 2 hours see if crank and run again till shut off,, if if does replace magneto,, hope this help,, good luck

Aug 11, 2009 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

2 Answers

Walk behind craftsman lawn mower. starts but shuts off after 15 minutes then will restart after it sits for 10 or 20 minutes

not sure what model but it sounds like it runs hot? make sure the fuel/oil mixture is correct, exhaust is not clogged, sparkplug is in good condition. hope this helps.

Jul 12, 2009 | Garden

1 Answer

Husqvarna yth 1746 mower deck won't re-engage once shut off

the safty swich is getting hot & wont alow it to engage again untill cool

Jul 03, 2009 | Craftsman 42 in. Deck 19.5hp Lawn Tractor

1 Answer

Craftsman mower shuts off when gets hot

Could has than one reason caused this problem.

Have you ever remove the plug to verify the bobin still delivery a good spark right after the unit shut-off? The aging bobin could loose a high voltage section [short out] when the temperture rose.

Jun 18, 2009 | Craftsman Garden

2 Answers

19.5 HP brggs engine (craftsman) shuts down after long runs.

Sounds like the coil,pull the shutoff wire off the coil and try it.if you still dont have spark replace coil.

Mar 17, 2009 | Craftsman 42 in. Deck 19.5hp Lawn Tractor

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