Question about Husqvarna Chain Saw 20" Bar

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Weak spark on 55 rancher chain saw/ airgap on magneto

It has yellow spark wont fire the plug to make it start.Put plug in another saw runs fine . What the airgap on the magneto?

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  • mmyers23 Mar 18, 2009

    I have md#44 &51 44 gets fule & has spark wont start same with the 51

  • RDPrimeaux May 03, 2009

    I have the same problem, with a model 51. 2 separate plugs will not fire, yet they spark on other saws. A spark tester lights up as if it has spark. I removed the coil, cleaned the flywheel, cleaned the coil, and still the same. I will assume that the coil is weak.

  • Anonymous Mar 31, 2014

    fires but will not run

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  • Expert
  • 181 Answers

The air gap is .010 to .012 inches,hope this helps, if not contact me and i'll help you with anything i can

Posted on Mar 12, 2009

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