It is not a good idea to turn the motor over without gas/oil mix in the tank. The gas/oil lubricates the crank bearings. 10 years old without running? Those bearings are going to be bone dry! Suggestion: put oil/gas mix into tank. Let the saw sit upside down overnight and then try again (of course new spark plug!). Worked for me. Other possibilities: plugged muffler screen, varnished fuel pickup filter in gas tank, and/or varnish in carburetor lines.
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2 years ago