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No spark for tecumseh model H60

Have a snow blower that has model H60 75296H motor. No spark, pulled flywheel, checked coil, reads ok. Cleaned up magnets and contacts, still no spark. Looked at point but how do you test/check them as you have to remove the flywheel to access.

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  • george boren Oct 27, 2012

    my first focus would be on the coil

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Poulon 2375 18" Wild Thing NO SPARK

Your engine doesn't have points. I suspect the black wire is a ground for the ignition. You can check this by taking a very small chunk out of the insulation and then using an ohmmeter to check and see if it is indeed grounded. If it is you probably need an ignition coil assy. It is triggered from the flywheel itself. Make sure your switch is ok and the wires going to it are ok.

Posted on Oct 26, 2008

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SOURCE: Husqvarna ranger 55 chainsaw starts but quits

I too have a rancher 55 and had what sounds like the same problem this week. It would start fine but run for only a few seconds at a time. I took it all apart today and found the problem - a cracked fuel line. In the places where I could see the hose it looked fine, but it wasn't until I removed the fuel tank that I found the crack...right where it exits the tank and then goes thru the housing above it. You don't need to remove the tank to replace the hose but it is easier that way. You do have to push it thru a grommet at the top of the tank. I read some other posts about checking the tank vent to see that it's not plugged up. Mine was ok so I knew it had to be something else. The vent is in a hole about the size of a pencil and is recessed about an inch into the tank on the upper right side. Its partially covered by a plastic cap that's part of the vibration damper, which can be removed to gain access to the vent. The vent tube can then be pushed out from inside the tank with the use of long needle nose pliers, but be gentle. I just loosened it then pushed it out with a finger. I put it all back together with a new hose and its running like new again!

Posted on May 31, 2009

SOURCE: no spark at plug. so iam guessing coil is shot. mac 110

Hi
You will have to remove the engine from the houseing to get to the coil.Not a easy job. It does not have points
Sam

Posted on Jan 07, 2010

Testimonial: "hi sam tore it apart today at work and yes your right .looked at the points they look new iam guessing coil or condenser. thanks for your help . dave"

SOURCE: No spark

Hi
You need a special tester to test a coil off of the engine. If you take iit to a small engine shop they can test it for you. You can test it on the engine. First clean the surface of the coil where it mounts to the engine. Reinstall the coil. Do not install the kill wire to the coil. Install a inline spark tester and crank engine if you still don't have any spark the coil is bad.
Sam

Posted on Jan 12, 2010

cmcduncand
  • 714 Answers

SOURCE: Simplicity Sno Away Snow Thrower Briggs 6hp engine No Spark

Check engine oil.

Remove wire from low oil sensor and the start.

Replace low oil sensor.

Hope this tip help solve your problem.

r/David

Posted on Jan 23, 2010

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1 Answer

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check compression. You have two parts of the engines operation triangle! The only thing left if timing is correct is compression.

Are you sure you got the right flywheel key? Some engines have stepped keys. Althought you would probably have backfire issues if the timing was off that much.

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When assembling the motor a dot on the cam gear and a dot on the crank gear need to be lined up.
If the motor has run correctly before the problem and has not been disassembled then the problem is likely external.
There are no actual timing adjustments. The flywheel key holds the flywheel in the correct position. If it is sheared or partially sheared the timing will be off. Check the flywheel key by removing the flywheel and visually inspecting the flywheel key; replace if not 100%. On assembly be sure the flywheel nut is tight or it will shear the key (again), then set the armature air gap ( gap between ignition module and flywheel magnet) to .020
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We have a snow blower with a Tecumseh 5.5 engine and we have no spark from the plug. Can you help me with why this is? the other question I have is how do we go about getting a manuel for this engine?


For the first part, you can spark check the current spark plug or replace it. If the plug is okay, then the ignition coil needs to be replaced, just follow the spark plug wire under the shroud. When you replace it you can use a business card for the feeler gage to set the gap to the flywheel.

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1 Answer

Have 10 hp Tecumsa engine and can not get ignition spark from plug. Have new spark plug, cleaned flywheel & coil with emery cloth. Have checked on/off switch for continuity. Can ignition coil be tested...


Did you check, that the magnet is on the flywheel.
When you cleaned the flywheel, did some metal rasping gather around it.
The magnet should be strong. A small steel instrument will be pulled by it.

The high voltage coil can be tested for resistance with an Ohm meter. The resistance may be some kOhm but not MOhm. If MOhm it should be replaced.

If the coil and magnet are OK, and well attached to the flywheel and aside with a minimal air gap, then the coil may be checked by turning the flywheel. As the voltage on coil ends when magnet passes by the coil should be very high, the only way for checking is with a spark plug, connected to the checked high voltage cable, the thread of the plug well connected to motor case. A spark is the prove that it is OK

Check also the HV cabel and the connection of other coil end to motor case.

I hope that this will be helpful, because I don't have your device in front of me. Some people rank such an answer with 2 thumbs (meaning useless). Better don’t rank.

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