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  1. #1
    Join Date
    Sep 2009
    Location
    Pensacola, Fl
    Posts
    163

    Default white smoke out exhaust....any worries?

    Had some white smoke come out of the exhaust from the boat on Sunday. It was weird conditions with thick fog, not very sunny, and pretty windy. My gut tells me white smoke isnt that big of a deal, but just wanted to make sure. I know blue smoke and black smoke are bad....

  2. #2
    Join Date
    Sep 2009
    Location
    Medicine hat Alberta
    Posts
    380

    Default

    I am not a mechanic, but black smoke means your to rich, blue and your valves or rings are week and white is not usually that good.
    I hope its not a problem for ya

  3. #3
    Join Date
    Jan 2010
    Location
    Portland, Oregon
    Posts
    307

    Default

    Quote Originally Posted by polar21 View Post
    Had some white smoke come out of the exhaust from the boat on Sunday. It was weird conditions with thick fog, not very sunny, and pretty windy. My gut tells me white smoke isnt that big of a deal, but just wanted to make sure. I know blue smoke and black smoke are bad....
    White like the white that comes out of your car exhaust? Thats normal. My boat does it to.
    2023 Moomba Mojo
    2013 Malibu VLX 21 - SOLD
    2005 Moomba XLV - SOLD
    2001 Supra - SOLD
    1998 Master Craft - SOLD

  4. #4
    Join Date
    Apr 2008
    Location
    California
    Posts
    2,840

    Default

    Was this your first time out this season? Did you have it winterized and stored? How long did it last, a few monoents? If all the above apply it was probably just burning off the fogging oil from winterization. If not then it may be something more serious.

    I fired mine up in the driveway and smoked the neighborhood out for a few minutes on Saturday!
    2007 Mobius LSV

  5. #5
    Join Date
    Feb 2010
    Location
    Hartwell Ga.
    Posts
    127

    Default

    It may be steam did you check the temp. gauge?

  6. #6
    Join Date
    Sep 2009
    Location
    Pensacola, Fl
    Posts
    163

    Default

    This was not the first time we have taken it out this season and the temp gauge was reading normal (175). There was alot (and I mean ALOT) of moisture in the air. If you have ever felt humidity in Florida, then you know what I am talking about. It only did this starting off, ie pulling the skier out of the water. After that, everything was normal.

    And yes, it looked like the white smoke that comes out of your car.

  7. #7
    Join Date
    Jan 2010
    Location
    Portland, Oregon
    Posts
    307

    Default

    Mine does it very very minimal. Only at idle. White almost like steam. Disipates about 4"-5" from the water surface. Does it off and on. Only seen it do this on cool days.
    2023 Moomba Mojo
    2013 Malibu VLX 21 - SOLD
    2005 Moomba XLV - SOLD
    2001 Supra - SOLD
    1998 Master Craft - SOLD

  8. #8
    Join Date
    Jan 2008
    Location
    Pensacola, FL
    Posts
    1,585

    Default

    We are having funky weather, your boat is probably fine. It is a combo of water temp, humidity, and your boat temp.

    Just check your oil to make sure that you don't have oil/water mixing (that's bad).

    Let me know if you need someone to go. I work a lot, but I go if I agree to go (no backing out).
    1997 MasterCraft 205

    2008 Moomba Outback
    1999 MasterCraft Sportstar OB
    1992 MasterCraft 205
    1999 Malibu Response LX
    1987 Marlin Magnum Skier

  9. #9
    Join Date
    May 2009
    Location
    North End Lake Lanier GA
    Posts
    8,155

    Default

    White smoke is generally water of some sort in the exhaust.

    These boats have water from the engine sent threw the exhaust so its very normal to see a bit of what appears to be white smoke from your exhaust. This is generally right after you start the boat and hit the throttle.

    You will see it more when the water your boating in is cold. Its from the hot water from the engine exhausting into the cold lake or river water.

    Was out Sunday with Al and air temp was 58 water temp was 54 and his boat did this everytime we shut the engine off a few minutes then started it back up and pulled someone up.

    For the record yes i surfed in the 54 degree water and yes i trunked it. I was cold but not too cold to stay out of the water LOL.
    Malo <--- Means--Evil or Mean One. This explains a lot.
    2013 Mojo 2.5 Skylon Tower. Bestia < Beast >
    [COLOR="#696969"]

  10. #10
    Join Date
    Jan 2008
    Location
    Tallahassee, FL
    Posts
    14,071

    Default

    Good for you! Way to go polar. White means moisture. If it's continuous you may have a problem. On a cool or humid/foggy day it is pretty common.
    My Mom said I'm not allowed to get wet!
    2008 LSV (sold)
    2000 Outback LS (sold)
    LLTR!!!!!!!!



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