Question about Craftsman Garden
I have a craftsman 21'' self propelled lawn mower model # 917.378841 with a Briggs & Stratton Intek OHV engine. It was idle for 2yrs. I changed the fuel, air cleaner, spark plug & magneto and it still won't start. It was stored with no gas in tank or carburator. It had no spark. There is a lot of rust on the magnets on the flywheel, do I need to clean it off? What is the correct air gap between the magneto & fly wheel? Is there a way to bench test the old magneto, and how to do it?
In order for there to be a spark at the plug, make sure the plug is grounded to the engine, it will not "fire" if it isn't.
Remove the cover with the crankrope, there should be a thin black wire going to the coil, going to a ground lug that kills the engine. Try unplugging this wire and re-check the fire...if it fires, there is a fault in this wire and should be replaced. The mower will run without it, but will not stop without "choking" out the engine
Posted on Apr 16, 2009
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Posted on Jan 02, 2017
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