Question about RTO Spur Sprocket For Stihl 017, 021 Chainsaws

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Cant get spark on my husqvarna 380cd

Cant get spark on my stihl 20av chainsaw. i cleaned flywheel and pickup then reset it, still nothing. what should i try

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  • fastcash_80 Jun 01, 2009

    it had a break in the sparkplug lead where it runs through the casing. out of sight, out of mind.

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  • 25 Answers

Did you try a new spark plug

Posted on May 16, 2009

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1 Answer

Can't get a spark on Stihl 020 chainsaw. Tried another coil and switch module but still no spark


It is possible your flywheel has lost it's magnet strength, if you noticed it turn a blue. Can take off flywheel and replace with a good one. Or you can play with the gap on the magneto/coil, and insert a piece of paper between the coil and the flywheel magnets, to set for air gap.

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1 Answer

Husqvarna 36 cc chainsaw wont start replaced spark plug cleaned carb


Are you getting a spark..? - NO? check wiring loom from ignition module, check timing gap between flywheel and ignition module, check on/off switch.
Does it have compression.? - NO? then check piston/rings and cylinder
Is fuel getting to the cylinder.? - NO? Carb problem of fuel line issue

Dec 06, 2012 | Husqvarna Garden

1 Answer

Stihl 066 does not start. Replaced ignition module. Weak or no spark.


Are the poles on your flywheel blue? Are you using an open-air inline spark tester, or holding the plug against the cylinder and turning it over?

Jul 14, 2012 | Stihl Chainsaw 051 075 076 Drum Chain Saw...

1 Answer

It's about Husqvarna 345 chainsaw. I would like to know the resistance value between spark plug wire and blue wire from ignition coil, and between spark plug wire and the ground and finally resistance...


The easiest way to test is on the machine. Remove the ignition switch wire from the module coil. Check the pole gaps of the module by inserting a thin business card into the gaps after turning the flywheel magnets under the module. Loosen the module mounting screws to allow the module to contact the magnets, tighten the screws, and turn the flywheel slightly to release the card. Turn the flywheel one full turn to make sure the gaps don't close up further. Use a fresh spark plug gapped at 0.020" and try for spark. If nothing, replace the module. This gets around measuring resistances while trying to evaluate the module. Hope this helps!

Nov 21, 2010 | Husqvarna 350 18 Inch Gas Chainsaw 52CC...

1 Answer

Not starting No spark


Not common, but it can happen to any saw over time. Try a new plug first and recheck--make sure the ignition switch is set to run. If still nothing, remove the case on the flywheel side to expose the flywheel and ignition module. Check the module pole gap to the flywheel magnets with a thin business card. If ok, remove the ignition switch wire from the module and recheck spark. If now works, check the wire and switch. If still nothing, time for a new module. Hope this helps!

Apr 16, 2010 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

2 Answers

Weak spark hard start stihl 021


Check the pole gap on the ignition module to the flywheel magnets. Use a thin business card for a gauge. If it has the correct gap and you have tried a new spark plug, then the module itself is likely failing. Hope this helps!

Apr 14, 2010 | RTO Spur Sprocket For Stihl 017, 021...

2 Answers

Magneto to flywheel gap for Husqvarna 455 Chain Saw


Ignition module gap
Place a business or index card between the fly wheel and coil, rotate until the magnetic attraction pulls everything tight together. Tighten the coil screws, rotate the flywheel until the attraction eases and remove the card. Ensure nothing contacts when flywheel is rotated.


If you have more questions or need additional help please reply below and I will get back to you. Thank you for using FixYa and Good Luck. HTH
Lou

Mar 22, 2010 | Husqvarna , No.455 Rancher, 20" Gas -...

2 Answers

No spark in stihl 025 chainsaw. I replaced the


check the ground wire on the on and off switch, it could be a bad ground

Mar 15, 2010 | Standard Oregon Chainsaw Chain For Stihl...

1 Answer

No spark and dont know the settings on the coil or


Place a business or index card between the fly wheel and coil, rotate until the magnetic attraction pulls everything tight together. Tighten the coil screws, rotate the flywheel until the attraction eases and remove the card. Ensure nothing contacts when flywheel is rotated.
I just checked a dozen or so Stihl saws, 0.008 - 0.010" is the normal coil gap. Card stock is usually 0.085 - 0.095"
If you still have no spark after assembly please reply below and I will happily assist you.
Lou

Jan 27, 2010 | Garden

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