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

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455 wont run

I have a saw bought last yr ran fine. this spring it refuses to start, changed the gas/oil mix,new spark plug and air filter. it has lots of spark and compression but wont fire. im not familar with two strokes , any ideas? i also tried using starting fluid not even a pop.

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Make sure the muffler has not become plugged. Check the flywheel key as it may have sheared off for some reason causing the timing to be off, yet still generate sparks. Are the sparks blue and snappy? If not, check the ignition module gap to the flywheel magnets--use a thin business card for a gauge. A wide gap can cause weak spark. Hope this gets you running again!

Posted on May 04, 2010

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