Question about Husqvarna , No.455 Rancher, 20" Gas - Powered Chainsaw

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18" Husqvarna chain saw purchased from lowes in 2009. Cranks fine when cold. After running for some time, and the saw is warm, if it is cut off, I can't seem to get it to crank again. If it cools back down, it will crank fine. any help would be appreciated. Replace plug last fall with one of the "really good" type plugs that Lowe's sells. Using the synthetic oil that is good for all mixtures/ratio's.

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Check to see if your saw is still under warranty, if it is Husky should fix it. Otherwise- when the saw is cold, pull the plug out and ground it on the cylinder head somewhere and pull it through. (Make sure the on switch is in the ON position) You should see spark. Run the saw until it gets warm and dies, as you say it does. Then re check the spark as when it was cold. If it doesn't have spark then you probably have a short in the coil/ignition system caused by heat. You will have to replace the coil/spark plug wire assembly. Since the saw is new, there is a good chance this is the problem.

Posted on Nov 08, 2010

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