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All the "safety" engine-kill "features" on this mower will ground the ignition system, stopping the engine and causing a no-spark condition. Check the seat switch, the brake switch. Also, the circuit board will cause the problem you have if it gets rained on, (the mower hood does not protect it); point is do not let the mower get rained on (or washed) unless you protect the PC board, which is right behind the ignition switch. Mine dried out and worked again but only after liberal spraying with (plastic-safe) electronic parts cleaner. You are right the manual would help, it's like $76 but it's in depth. Good luck, and PLEASE tell us what the solution was!
-Tom Helpful Deere lx176, lx178, hood hinge tip: If the hood hinge is broken on yours like on most, Deere has a GREAT repair kit that's only $10. They really priced it at cost or less to correct a defect they are aware of.
Hi, There is a shutdown wire, this wire is grounded somewhere along the route. Look at the coil for this wire; it shorts the coil to ground so no spark can get out to the plug. Let us know if you want to know something else accept the suggestion. Thanks for contacting fixya.com
check the coil for the spark plug, it may be bad, it is directly connected with the stator and magnito, thats where it gets its electricity for the spark, or clean the carburetor out, there is three things an engine needs to run. fuel, compression, ignition or (spark) all malfunctions are branches off of this
Did you change the fuel filter? Is there a way to confirm that you're getting gasoline to the carburetor? If it fired once it should mean that you have spark to the plugs but there could also be a short in the kill switch circuitry that kills the ignition system. Pull a spark plug and put it in the spark plug wire socket, ground it against the motor and crank the engine and see if you're getting a good spark. Ensure that the air filter isn't dirty.
The first thing I would do is a compression test. You say you have spark, but have you actually tested the strength of the spark ? A simple check to see if the spark is strong enough is to take the spark plug, hook it up to the spark plug wire, hand hold the shell portion of the plug roughly a 1\2 inch away from the cylinder head, and crank the engine over. If the spark jumps this gap, you have good spark. If it doesn't jump this gap, your ignition coil or stator coils maybe weak and not producing enough voltage for a good spark.
Hello, I would start first, make sure ex pipe is open . Then I would check the pick up coil, ohms should be 390-590 on a 300 KLF. Do this test before u start the bike Then start the bike and when it quits running check the pick up coil ohms. If good move on to the coil, If good then I would say good chance CDI is bad I hope this helps