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Old 04-14-2014, 01:05 PM
greendave greendave is offline
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Kawasaki Coil Failures?

My Zero turn has a 19 horse Kaw engine, it's a 2000 FH580V. The coil(s) went out at about 1300 hours. Typical symptoms: no spark/no restart hot, sputtering on start up and blade engagement. Replacing both coils at that time fixed my problem. I also replaced the spark plugs too. Here I am 250 hours later and the sputtering has started again, what I perceive to be the early signs of another coil failure. Is this common? I have found a litany of references to Kaw coil failures on the net, but wanted to be sure I am not looking at some other cause. I regularly remove the top cover of the motor and clean the cooling fins, so I'm reasonably sure I am not having an over heat issue. And, I get that sputter on cold startup as well. Thoughts?
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Old 04-14-2014, 06:34 PM
larryinalabama larryinalabama is online now
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Ive replace coils on 2 of my Kawasaki FH series engines, one only had a little over 200 hours. the other a little over 1000 hours. They are pricey.
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Old 04-14-2014, 09:26 PM
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Restrorob Restrorob is offline
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Pull the spark plug wires off, Look up inside the boot with a flashlight..... Is the connector rusty/corroded ?

This will cause the same effect as a coil going out, You can purchase new plug connectors from any auto parts store. Slide the boot off and cut the old connector off as close as possible then crimp the new one on, There should be enough wire to do this twice if need be.

Cover the new connector with a film of dielectric grease, This will reduce corrosion and ease re-installing the boot. Also...... Put a wire tie wrap on the boot where the wire goes in, This will reduce the amount of water seepage into the boot since they sit straight up.......


I'd be willing to bet many coils are replaced when the only problem was the above.
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Last edited by Restrorob; 04-14-2014 at 09:31 PM.
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Old 04-16-2014, 07:26 AM
greendave greendave is offline
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Fixed it,,,,

Thanks for the replies, gentlemen. I did check the connector and boot, there was no corrosion or rust at all. I mowed my first lawn yesterday morning and toward the end it misfired during the mow. When I started it at my next job it would only run on one cylinder. Went back to the shop, did the usual checks and determined the left coil had failed. Called my local shop and they had a replacement,,,,,, installed it and that fixed my problem. I already had two coils on order at $49 each (internet supplier, genuine OEM), paying $70 for that one pained me. I think I'll plan on keeping a coil or two "in stock" since it looks like this will be an ongoing issue.
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