Kohler Small Engine Ignition Coil Replacement #12 584 04-S

This video provides step-by-step instructions for replacing the ignition coil on single cylinder Kohler Command small engines, commonly found on riding lawn mowers, riding tractors, zero-turn radius mowers, and commercial walk-behind mowers. The most common reason for replacing the ignition coil is when the engine won’t start and the ignition coil proves to be at fault.

Click here to purchase part #1258404-S: https://www.repairclinic.com/PartDetail/Ignition-Coil/1258404S/1602571?ss=-x31322035383420303473&mr=1?TLSID=1876

Ignition coil part testing video: https://www.youtube.com/watch?v=6a8Y3…

Additional small engine repair, troubleshooting tips, help with finding your model number, and part replacement videos: https://www.repairclinic.com/RepairHel…?TLSID=1876

All of the information in this ignition coil replacement video is applicable to the following brands: Kohler, Toro, Exmark

Tools used: socket wrench, multi-screwdriver, nutdriver bit, screwdriver

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7 thoughts on “Kohler Small Engine Ignition Coil Replacement #12 584 04-S

  1. My scotts jd mower has been down for 2 mos. This video gave me the courage to order the part, and fix it at the first opportunity I had! I must say, with an installed engine, there are more bolts, grounds and an odd little box next to the oil tube. I didn't know the coil was magnetized to the stater connection. it was hard to remove the biz card, so I played it by sight on the finite distance between the two. In the end, I let my son hop on board, turn the key, and VOILA! THANK YOU!!!!

  2. My John Deere lawn tractor has recently had problems.  It has a 15HP Kohler engine, and after it heats up will stall out.  I've changed the plug, air and fuel filters but no success.  I suspect the coil, and I believe I can handle that job.  I simply don't know how to check the system out to properly pinpoint the problem.

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