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Should be set at 0.015" to 0.016" gap
air gap improperly set between fly wheel and magneto, bad coil, spark plug harness. Would not hurt to check the spark plug gap and ensure the connector end is tight
Use the idle speed adjustment screw to set the idle speed as low as possible without stalling. http://store.chainsawr.com/
Use the idle speed adjustment screw to set the idle speed as low as possible without stalling. http://store.chainsawr.com/
valve sticking, up, bad spark pulg, bent or worn keyway,More...It could also be that the idle speed is set too high, causing the cylinder to "load" excessively when you turn off the key. Also might check the magneto gap -- the gap between the rotating magnetic head and the prongs on the magneto coil. (I usually use a matchbook cover or a business card to set this.)
does it have spark to the plug if not the part you might check would be the coil or the electronic start module probably the latter if it is a newer mower or of ots older then the coil magneto usually dont go bad could be a bad gap between the coil and the magneto if its an older mower could be a bad set of points if its an older mower point gap could be bad spark plug could be bad as I don't know exactly what the lawn mower is doing hard to tell what is wrong
The correct spark plug for a Stihl 024 is an RCJ6Y (Champion), BPMR7A (NGK), or a WSR6F (Bosch). Make sure that the gap is set to 0.020 inches.
In Texas.
For a 1969 Lincoln, the point gap is set at .017, and the spark gap should be set at .035.
set gap at .028
I set the gap to .028
set you gap at .031