Command Pro 27 CH740S Dropping a cylinder

ktreece

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May 22, 2018
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I have an Exmark w/ a Command Pro 27 CH740S-0075. Mower recently started having low power while the PTO was engaged, if I turn the PTO off it will pick back up to sounding strong. I unplugged one of the plug wires and it acted just like it does when PTO is engaged. I replaced the plugs, same problem. Sometimes when the PTO is engaged it will all of a sudden pick up and run strong but if I hit a spot of grass that's kinda thick it will dump a cylinder again.

I've read on this and ran into possibly having to do the MDI Conversion as the spark module isn't available anymore? How would I confirm this would be the solution to my problem?

Oh, and am I correct that on these motors I will have to pull the entire motor to replace coils?
 
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