So my 27hp Kohler started acting up today. Why wouldn't it? I'm already behind schedule. It's on an '07 Exmark Lazer Z with about 670 hours. It clearly sounds like it's losing spark to one cylinder which I'm assuming is a bad coil. I put a spark tester on but of course it won't do it again while that's on. It's intermittent. But you can clearly hear the difference when it goes. And when I engage the PTO and try moving it's really struggling. Every place I called today weren't sure what ignition coils I have. I've heard about those DSAI ones that were problems and the MDI conversion kit but no one has been able to give me a clear answer as to what I need to order. Or if I even have the DSAI system. There is a little square black box on the side of the engine shroud that I was told was a digital thing for the ignition. But I don't know. Apparently I suck at google cuz I can't find what I need on there either Does anyone know what I need based of this engine sticker?! I need to get it up and running ASAP! Thanks for any help!