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  1. #1

    Any ideas what could be causing this

    Had a call from dealer saying have some corrosion on cyclinder 3 spark plug and needs warranty work. They donít know whatís causing it as ski is flushed and dried after every ride. Anyone have any ideas2017 fx svho Ltd


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  2. #2
    volltrex's Avatar
    Join Date
    Dec 2007
    Jersey CI
    Are you spraying water over the engine when it is warm?

  3. #3
    MSX 150 guy lives on Mr. GP1800's Avatar
    Join Date
    Jun 2010
    Milwaukee WI
    I’m guessing it’s water or moisture getting through the seals around the coils.

  4. #4

    Join Date
    Aug 2017
    New Zealand
    I had the exact same issue, and it's because of spray down the engine cover like the other posters say.
    The reason it only happens on cylinder 3 is because the cam position cable sensor is right next to the coil seal for that cylinder;
    Which means water kind of pools in that gap and gets sucked in past the seal once everything cools down.

    I've just avoided spraying down the engine cover as there's no real benefit to it anyways, and haven't had it happen since.

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