Question about Husqvarna , No.455 Rancher, 20" Gas - Powered Chainsaw
Will not start. Spark ok. Tried with started fluid still no luck .
Spark should be blue and snappy with fresh plug gapped at 0.020. Try putting some fresh fuel mix into the plug hole and try to start--it should pop several times. Does the engine seem to have good compression? If not, remove the muffler and check the piston skirt and cylinder wall for severe scoring. If it is, then the engine has probably be run on straight gasoline or poorly pre-mixed fuel/oil. At the very lean fuel/oil ratios ( 50:1) recommended for today's saws, proper premixing of fresh fuel and a modern synthetic oil made for saw use is imperative plus the fuel container should be vigorously shaken just before each filling. If the compression appears good, then check the fuel filter, air cleaner, and muffler for plugging. Check the fuel lines for any decay or other damage. Make sure the carburetor fasteners are tight. Hope some of this helps!
Posted on Jul 14, 2010
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Posted on Jan 02, 2017
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