Question about Toro Lawn Mower With Toro Power Tools

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My JS60 is also fouling plug...

Very frustrating! Just completed a full tune-up, including a new magneto. I've also noticed (more than normal?) black smoke from exhaust on initial start. Am wondering if OHV's aren't seating properly or if ring is allowing blow-by, and if this might be contributing to fouled plug.
Also, can't find any kind of fuel filter. Not even a screen inside the fuel tank. And choke seems to be OK.

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The John Deere JS60 does not use any kind of fuel filter.Some of the newer ones had a thermal switch near muffler that would allow air vane to shut choke off when warm.Had a couple new out of box with choke not releasing or stuck half open.So if you have one of the newer ones your choke will not open until muffler gets hot,could be where the black smoke comes from.

Posted on Nov 14, 2009

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Check the carb float it might be stuck or the needle might be worn

Posted on Jul 13, 2009

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Check the gape in the plug

Posted on Jun 23, 2009

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It seems I'm getting too much gas,my plugs are fouled out. The truck runs fine for 5 min when it's cold, then it will foul out if I don't keep giving it gas.


Sounds like your actually not getting enough gas, then your fouling your plugs because something isn't firing right. When your vehicle is cold it uses more gas to run smoother, then when it warms up it is leaning the fuel out and you have to keep giving it gas because it wants to die from not getting enough fuel. Whens the last time you've done a full tune up? or timing adjustment? check easy things first like air filter, plug wires....I'm sorry but I think it's going to be something a bit more difficult, atleast first start with your air filter.

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No fire to the plug


that could be from a short in the circutry even as simple as some debri build up around the blade brake magneto ground contact point that is grounding the magneto so spark can not continue to the plug could also be a fouled spark plug or could also be the magneto condenser attached to the magneto has burnt thus looseing capability to disperse the electrical energy to the spark plug, and worse case senario is the magneto is internally damaged from use also possably the magneto's air gap to the magnets on the flywheel is to exssesive for energy production hope this helps Steve

Jul 30, 2010 | Troy Bilt 5.5hp Self Propelled Mower

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Inherited a 1170 13cd608g101 with a briggs, cuts off after 20 min


From what you describe, it sounds like perhaps your magneto is breaking down when it gets hot. To test it, you will need an inline spark tester and as soon as it dies, try to restart it with the tester in place and see if you have spark. If not, replace your magneto.
When testing your battery with the multimeter are you running it at full RPMs? It should actually be putting out about 13.5 to 14 volts at full RPMs to keep the battery charged up good especially if it has an electric blade clutch.
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Tractor running rough and black puffs of smoke come out exhaust pipe when you rev up engine. What should I try?


Normally black smoke indicates too much gas or too much choke. Remove and clean or replace the spark plug because it is probably fouled. Change the air filter because it is probably clogged. I am not sure how mechanically inclined you are, so if you are then it needs a tune-up. If you are not then I would take it in for a tune-up(needle valve replacement or cleaning and adjustments, float bowl cleaning, and spark plug replacement.

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Stalling after driving when idling


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John deere js60 lawnmower is fouling the spark plug in 20 minutes. gas is good other mower works fine with same gas. can not locate fuel filter if it has one. large deposit of smut on plug.


sounds like your carb. is running rich for some reason
be sure to check to be sure your choke is fully off when running
follow your fuel lines they may have stuck the filter somewhere or they may be only using a tank screen filter.
Be sure you have the proper plug installed and gapped .030
most common plugs that are used the most is J19LM or RC12 YC

couple things to check for you mowers issue

Jun 11, 2009 | Toro Lawn Mower With Toro Power Tools

4 Answers

Poulan Pro 200 Leaf Blower won't start. I have installed a carb kit with no results. The spark plug was wet before the new kit---it continues to be wet. I have tried a replacement spark plug with no...


Alright, remember that 2-Stroke motors are meant to do 2 things:
Break down, then Frustrate you.

So, here we go: (Electrical)

Rotor Magnets, Magneto (ignition coil), Spark Plug Wire, Spark Plug, Spark Plug Ground (Cylinder Head).

In that order!

Check your "fire" from the Magneto:

1. Check your Kill Switch. In other words, leave everything normal, and unhook it. Did she start? Kill Switch it is! Kill Switch/Wire comes from the Magneto (single wire/ground) to the Switch itself. So check that wire AT the Magneto (Is it loose and grounding out? Is the Kill Switch grounding you out where it is, because of crud, junk, or because it is touching the block when it is not supposed to?)

2. Check your Spark Plug Wire. Easy, unook it from the plug, stick your finger in, give it a crank (non-MultiMeter way). Did you get shocked? Then it ain't your Plug Wire and Magneto!

With a Multi-/Volt Meter, simply hook her up, and check for juice WHEN you pull the rope. If you got juice, it ain't your Plug Wire or Magneto!

Checking Spark the "normal" way: Grab the Plug with a pair of insulated pliers, hold the plug end against the cylinder head, and pull your rope. Any Spark? What color?

3. STILL no fire. It leaves: Magneto and Plug Wire.
Luckily, they are both in the same place! Tear your blower down, and check to see if the Magneto has slipped out of place (gap is WAY out), or if the Plug Wire has worn to the point it is grounding you out. While you are there, check your Kill Switch wire, to see if she is grounding you out then and there.

4. STILL no fire. That means: Magneto Failing, or Magneto JUNK.
Buy another one, replace it! (Or steal one from another junk Blower/Weedeater. These things are fairly standard, and easy!)
Or, Bad Plug Wire. Meaning she has failed out on you.
Wait......that means: Replace your Magneto! Lucky the things are built together right?

Apr 22, 2009 | Poulan/Weed Eater No. Bvm200le 711482 24cc...

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