I have cleaned the plug,changed the fuel and tried all the text book problem shooting solutions,however my saw will not start when i pull the rip cord it wants to start i get a rumph from the engine but it will not kick in and start im at a loss please help
Remove the spark plug, pull the throttle wide open, and pull the starter through smartly several times to expel the raw fuel. Recheck the spark at the plug--it should be blue and snappy with a fresh plug gapped at 0.020". If weak looking, the ignition module pole gap may need to be reset. Remove the left side cover to expose the flywheel and ignition module. Turn the flywheel until the magnets are under the module, insert a thin business card into the pole gaps, loosen the module screws to allow the module to contact the magnets. Tighten the screws, then rotate the flywheel somewhat to remove the card. Turn the flywheel one full turn to make sure the pole gaps don't close any further. Recheck for spark. Check the fuel filter, air cleaner, and muffler for plugging. Check the fuel lines for decay or other problems. If you are still having problems, go to: www.drystacked.com for a 12 page article on Walbro brand carburetor theory and troubleshooting. Pay particular attention to the placement of the lower chamber gasket--if on the wrong side of the diaphragm, the fuel control will be incorrect. Hope some of this helps!
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