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  1. #1
    PWCToday Guru woodsrider40's Avatar
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    Jul 2010
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    Clinton TN
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    Water in speak plug hole

    Working on a 2007 FX Cruiser, the front spark plug hole fills up with water over a period of time. I cannot see any water leaking in while it's running. The coil boot seems to be tight. Anyone had this happen ? First I've seen.
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  2. #2
    PWCToday Newbie
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    Oct 2017
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    Re: Water in speak plug hole

    Quote Originally Posted by woodsrider40 View Post
    Working on a 2007 FX Cruiser, the front spark plug hole fills up with water over a period of time. I cannot see any water leaking in while it's running. The coil boot seems to be tight. Anyone had this happen ? First I've seen.
    Hello, did you ever find out what caused this issue? I have the same exact issue on my 07 Yamaha VX cruiser. I replaced the plugs in the spring and the spark plug holes were dry. I replaced with NGK plugs and re-assembled. I put about 40 hours on the ski this year and when I was winterizing I pulled to check the plugs and saw water in the holes along with rust forming from the spark plug and coil. I am thinking it has to be the o-ring for the coils to seal them, since I dont believe water flows through the head to cool it, so it wouldn't make sense for the water coming from in there.

    Thanks!

  3. #3
    Top Dog volltrex's Avatar
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    Re: Water in speak plug hole

    Quote Originally Posted by Dave_G View Post
    Hello, did you ever find out what caused this issue? I have the same exact issue on my 07 Yamaha VX cruiser. I replaced the plugs in the spring and the spark plug holes were dry. I replaced with NGK plugs and re-assembled. I put about 40 hours on the ski this year and when I was winterizing I pulled to check the plugs and saw water in the holes along with rust forming from the spark plug and coil. I am thinking it has to be the o-ring for the coils to seal them, since I dont believe water flows through the head to cool it, so it wouldn't make sense for the water coming from in there.

    Thanks!
    Do you ever put cold water over the engine to rinse after a ride?


    Dave




    2007 FXHO 160 Cruiser, Sold
    2012 FXHO Cruiser

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