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I have a craftsman 25.hp model 917.251572, unable

I have a craftsman 25.hp model 917.251572, unable to start, no spark at plugs. it will turn over

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You can check the coil and kill switch out by removing the metal cover on the engine and removing the coil shorting wire. Crank it again and see if you have spark. Yes? You have a bad switch somewhere. It could be the ignition switch itself or perhaps a safety switch? There is a safety switch under the seat of most modern riding mowers.

If you still dont have spark your coil is most likely to blame. You can purchase a new coil online for a fairly good price and replace it. You only need a thin business card to use as a gapper when putting the coil back on to set the gap to the flywheel.

Oh...and one more thing. You might find a critters nest under your engines cover. That is usually how perfectly good coils get heat damaged. So be ready for a surprise when you take the cover off!

Good luck and be careful!

Posted on Jul 29, 2010

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Posted on Jan 02, 2017

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1 Answer

I have a craftsman riding mower model 247.288810. While cutting my lawn the engine all stalled and would not start anymore. I changed the spark plug and the battery is new, what could it be?


there are 3 safety switches,clutch,deck and seat, Craftsman 247288810 Lawn Tractor Parts
take the cover off so u can access the coil,unhook the black wire from the coil,not spark plug cable,try to start it,if it starts then a safety switch is bad,if it doesnt,then jump the solenoid,if it starts then it is the seat or clutch switch,if you want to bypass safety switches,connect a switch to the ground and coil

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Starting and running


change your plugs take the old gas out check your oil make sure its clean and at the right level check the air filter clean it if nesesarry change fuel filter. if not of this works check to see if it is grounding out look over the machine while running it in the dark if you see a spark some were look it over fix it if none of this works you may have do get a carberator kit your highspeed needle is what usually goes just make sure you count the number of turns when you take it out/

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1 Answer

Engine will not turn over


A FUEL PROBLEM. It doesn't over or doesn't keep running when gas is gone. Doesn't turn over, remove spark plug to let fuel out.

Nov 12, 2011 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

My craftsman 15.5HP kohler riding mower turns over


Try cleaning or better yet, replacing the spark plug. Depending on age and how your tractor was maintained, there are other possible causes.
  • Gummed up fuel system
  • dirty fuel filter
  • defective or misaligned armature/magneto (part that causes your plug to spark, igniting the air/fuel mixture, thus starting the engine)
  • throttle linkage/cable problems
  • low oil level. Some Kohler engines use a low oil shut down sensor which won't allow the engine to run or start to avoid internal damage.
  • Mechanical engine problems
I hope you find this solution helpful. Please rate it thanks for using Fixya!

Nov 05, 2009 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

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I have a briggs and strattan 18 horsepower engine on my craftsman mower and it wont start, i replaced the starter and it still wont start! It wont even turn over, in fact it binds the starter, but if I...


Have the battery tested at an auto parts store to ensure there is enough power in it. Sounds like it's strong enough to turn the motor with no compression (spark plug removed) but too weak to turn the motor with compression. Also check for loose or corroded wires.

Sep 20, 2009 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

4 Answers

Craftsman 17.5 hp 42 in. Deck Lawn Tractor


This sounds too easy of a solution but I had a like ptroblem with my Craftsman. I loosed the gas cap a bit and the rough running and stalling stopped. he vent on the gas cap that contains a turn over interrupt valve was plugged causing the gas not to flow. I took the cap apart and cleaned out the vent hole though cleaning the holewith a paper clip would have worked as well. Anyway..it fixed my problem. I think my dirty hands of deris deposited the matera in the vent hole when filling with gas.

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1 Answer

Craftsman 17.5 LT1000 Won't Start - Need Help


pull the flywheel and check if the key(latter models the flywheel itself will need replaced if stripped)is damaged. This is a possibility.

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1 Answer

How to get the spark plug out from 17.5 HP 42


should be behind the front of the mower grille, tilt the hood foreward to gain access to the plug or try getting it from under the front.
you will need a plug socket to remove the plug

May 10, 2009 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

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