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Lawn tractor has has no spark

Have no spark with grounds hooked to magnito. bit when i unhook them i got spark

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  • Dennis Key
    Dennis Key Feb 16, 2012

     Need what we've working on. Brand, year, and model. Please.

  • brad Feb 16, 2012

    2006 john deere x700 lawn tractor 23hp kawasaki no sprak at plugs but if i disconnect the two wires from magnito and try to start i get spark also.i replaced ignition switc bcause it wouldnt start or turn over with key could get it to turn over by jumping starter could it be a sensor

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  • Garden Master
  • 2,478 Answers

If you disconnected the ground wires and get spark the coil good. If no spark its bad. So go upstream. A seat switch or etc. is not making. Hope this helps.

Posted on Feb 16, 2012

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Posted on Jan 02, 2017

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SOURCE: Loss of drive in a Craftsman Lawn tractor

I also have a Craftsman tractor with the same problem. Sears repairman said it needed a new transmission and it would cost $1,400 to install. A new one is about $1,000. Anyway, if you remove the battery and the battery tray under the seat it will expose the transmission fill hole (hex). I opened the top and it looked empty. I had a bottle of 90 weight gear oil in my shop and filled the transmission to the top. I have not had any problems with it since. $4.00 bottle of oil verses a new tractor is worth a try.

Posted on Nov 30, 2009

wadembly
  • 462 Answers

SOURCE: No spark

did you make sure the gap was set right on coil & flywheel it should be .020 between magnet on flywheel & the coil & the same thing with the points in the open possition between points & condensor

Posted on Jun 08, 2009

  • 201 Answers

SOURCE: I have a simplicity model 4211 lawn tractor with no spark.

terry, check for kill line on motor to see if grounded out,you can remove from ground clip.
also you say you checked points??????
check for flywheel to coil pickup clearance .
point type coil to flywheel the airgap should be 25- 1000ths with feeler guage. on electronic ignition coil to flywheel pickup the air gap should be set @ 10-1000ths with feeler guage. hope this solves your problem..........lemmee kno.....chris

Posted on Jun 07, 2009

  • 148 Answers

SOURCE: Cub Cadet 2145 doesn't have a spark

Great!

Posted on Jul 22, 2009

  • 3 Answers

SOURCE: craftsman riduing tractor turns over but won't

Had the same problem. Removed carb, carefully, noting where everything goes and taking some pics, completely disassembled and thoroughly cleaned. Reassembled and worked like a champ. Reason for this? Gas goes bad and gunks up the carb. Good luck

Posted on May 26, 2010

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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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OUr murray lawn mower will not make spark at spark plugs. Help


check all your kill wires first to see if they are touching ground somewhere.
then check magnito/coil for power to it
disconnect kill wire at magnito if there is power to it.
see if you have spark
if not .... you need a new magnito

May 21, 2010 | Briggs & Stratton Garden

1 Answer

My 18ph twin spins but only starts when I short one of plugs to ground. what is the problem?


I don't know what to tell you to do to fix this but I am convinced there is a broken ground somewhere in your system. When you ground one of the spark plug wires, you complete the circuit to ground allowing the other to fire.

You are not real specific as to that kind of Lawn Trimmer or Edger this 18 HP twin engine is hooked to nor what kind of 18 HP engine this is: electric start or magnito fired.

Look for a broken ground somewhere in your ignition system please.

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Nov 14, 2009 | Garden

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John Deere X324 drains the battery


might have a short in your seloniod switch if you unhook pos from it and there is spark hooking up its probably the short

Sep 08, 2009 | Garden

1 Answer

Doesnt get spark


check the magnito for rust build up.
try a different spark plug.
try adjusting the gap between the magnito and flywheel... use a peice of paper for a gap guage.

Jul 30, 2009 | Homelite Mighty Lite Lawn Trimmer

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NO FIRE ON KOHLER 12.5 OHV MOTOR


All wires on a small engine except for the spark plug wire are to ground out the spark and stop the engine. Except a few for accessories and on generator/welders.

Knowing that, there is a small main wire that comes from your coil and leads to all other wires. It usually sits under your gas tank and runs toward your on/off switch or ignition switch. To see if it is any off your shutdowns gone bad, disconnect this wire. If still no spark then you either have a open in this wire or your magnito (coil) is bad.

If it starts, then unplug all the wires going to the kill wire and hook them up one by one until you find the one that kills the engine. Follow the wire to it's source looking for breaks in the line. If no breaks then the switch is out of place or bad.

Note: check your oil level first. Most engines come with a low oil sensor that will kill the spark if the oil level gets too low.

To check is your magnito is bad or you have a short, disconnect the wire at the magnito found by the flywheel under the flywheel cover. Tuck this wire out of the way and try to start your unit. No spark then you have a bad magnito.

Apr 01, 2009 | Briggs & Stratton Garden

1 Answer

I have a 6750W yamaha engine. I drained all of the gas out and replaced it. I am not getting any spark. What can I do? Dan


First how are you checking spark. Spark tester or spark plug against metal? With a spark tester your only testing spark to the spark plug. With the spark plug against metal you do not know is spark is getting to the plug. So it's best to do both and save you time and effort. A spark plug cost less then $3 so I usually replace them when I have a starting problem automatically.

The engine may have a low oil shutdown switch. Check the oil level. If this does not do it, there should be a single black wire coming form either underneith the fuel tank or out of the casing by the recoil that leads to other wires. This should be your grounding wire for the magnito. Disconnect this wire and try to start the unit. If it starts then one of your shutdowns or switches is bad. Reconnect it while it's running to shut it down or push it's connector against the engine block to ground it out. Now if it ran you need to disconnect all wires that connect to this wire and hook them up one by one until you find one that shuts down the engine. When you find it follow it to it's source and that is you problem. If you don't get anything the next step is to remove engine shroud by the recoil (some engines require you to remove the recoil to do this). Now you should be looking a the flywheel and magnito (coil). Did connect the small wire on the magnito and tuck it out of the way so it does not get caught in the flywheel when running. Reinstall everything and try starting again. If still nothing you need to change your magnito. To set the gap on your new magnito a piece of a cigerette box or equivalant between the flywheel's magnetic portion and the magnito should give you the proper gap.


Note: all wires on a small engine are to ground out the spark except a few others on generator which provide power to generator field.

Mar 29, 2009 | Coleman Powermate Powermate 5000W...

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