Hi Joe Bob;
Just to double check
Mower Blade PTO switch is off (pushed down)?
Tractor Manual Transmission switch is in NUETRAL?
Foot Brake is pushed down or locked down as you turn the crank?
Engine Oil is up to proper level? Some engines have an oil pressure safety cutoff switch
Does it turn over when this is all done?
Here is from the L110 owners troubleshooting manual
Engine Will Not Start
Brake pedal not depressed.
PTO is engaged.
Spark plug wire is loose or disconnected.
Improper fuel.
Plugged fuel filter.
Defective safety switch.
Electrical problem - See Electrical Troubleshooting Section
Engine Is Hard To Start
Carburetor is not adjusted properly or dirty.
Plugged fuel filter.
Faulty spark plug.
Stale or improper fuel.
Loose or corroded electrical connections.
Engine oil viscosity.
There is a 20-amp fuse on the battery harness. Take it out and look through the "window" to see if it is burned in two?
If you have a voltmeter, check the battery. There are 2 volts per cell, so if the meter reads 10 amps, you have a dead cell in the battery. Check connections for corrosion, of course.
The other thing might be that little push-button safety switch under the seat. If you have a continuity meter, see of the switch makes a "connection" when pushed down. If not, replace the switch and, of course, look for loose wires.
If it is turning over but not starting, check to see if you are getting "spark". Don't hang on to the plug by the metal, of course. If the plugs looks "gooey", take them in and match them up at the local parts store.
Check for "fuel" with a medicine dropper and a tad bit of gasoline. Unless the plugs are "wet", indicating a flooding problem, drop 2-3 drops in the spark plug holes and see if the engine "pops" or briefly runs and quits. If so, ream out or blow out with compressed air the vent hole in the gas cap, check the fuel lines for cracked hoses or loose connections, dry rotted rubber hose, etc. Ethanol "eats" rubber hoses for lunch. Change the fuel filter. On my LX188, I had to change out a short section of my fuel hose.
I also had the tractor quit running when a fuse in the dash blew, but I do not know if you have more than that 20 amp fuse or not?
If push comes to shove and you want to be yur own mechanic, here are the John Deere part numbers for the technical repair manual. You can look up parts "on line". If you need help with that, let me know
Technical Manual TM2026
Technical Manual on CD-ROM TM2026CD
The manual for my LX188 costs me a bit, but it saved me a 2 hour trip to the dealer and $55 an hour times ?????
Hope this helps.
SC