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Won't start. I pulled carburator apart .... no blockage found. what now?

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Remove spark plug and check for spark (plug base to engine metal)--it should be blue and snappy with a fresh plug gapped at 0.020". If looks ok, pour a little fuel mix into the plug hole and try for start. If it pops several times, you have fuel delivery problems. Check the fuel filter, air cleaner, and muffler for plugging. Check the fuel lines for decay or other damage. When the carburetor was apart, did you note the condition of the diaphragm in the lower chamber--it should be flexible with no holes or cracks. Does the primer bulb fill with fuel when pumped several times? Hope some of this helps!

Posted on Sep 11, 2010


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As the spark plugs are out exam them to their conditions visit this site for more details :-

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Hope this helps!

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