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My mower has a 22 HP Kohler motor that barely cranks and won't start. The battery was just replaced. I would appreciate guidance.

I had the same problems w/a Kohler Courage 25HP:
1. If you have a charged battery & when you try to start it turns about 90 degrees and stops and it has some age on it, the valves need adjusting. Remove plugs; rotate engine; I put finger in the hole & turned the flywheel till it pushed out my finger on the compression stroke; TDC; I think it is .005 feeler gauge. Mine had a lockdown nut (1/2") w/a allen center set screw. Just a little off and mine would bind consistently; adjusted valves & everything OK. There's 2 10mm bolts @ carb and 2 9mm (I think) on backside to remove engine shroud.
2. Check starter w/plugs removed to see if it is engaging.
3. Check coil to flywheel: .012 feeler gauge.
4. While U R @ it; if it has some age on it; the fuel shutoff solenoid gets gummy w/ethanol gas; clean it while U have it down.

Hope this helps.

:welcome:

Remove the spark plug and try cranking the engine.
If it cranks normally then the decompression system is at fault
If fuel spurts out then the carb is leaking
If it does not crank you have al electrical problem.

So give it a ry and get back with the results

I have a 22HP kohler I can start the motor and it will continue to run as long as I hold the key all the way back. When I release the key the engine stops. Can you help?

I would think a faulty ignition switch.
Have you done any electrical work or repairs on it lately!

I took the battery out and had it checked. It is strong.