Why will my chain saw not start? it has sucessfully cut down 3 trees, and has now refused to start again!
Make sure you have blue, snappy spark at the plug (set at 0.020"). If ok, put some fuel mix in the plug hole and try to start--it should pop several times. If pops, then check the fuel system. Check the fuel filter, air filter, and muffler for plugging. Check the fuel lines for decay or other damage. Make sure the carburetor fasteners are tight. Go to: http://www.drystacked.com for a 12 page article on Walbro brand carburetors for theory and troubleshooting. Be sure to check the placement of the gasket in the lower chamber. Hope this helps!
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