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  1. #1
    alex29573's Avatar
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    White smoke coming out the exhaust - HELP plz

    For sometime now my 2008 rxpx intermittently starts smoking out the exhaust...

    it will do it just about every other ride.. Usually happens when im idleing around. When it happens i have two choices:
    - just keep idleing/drive normal and it will go away in a couple of minutes
    - smash the gas and it goes away

    its definitely oil that is being burnt as it smells like oil and hangs around in the air for a long time.

    ski has new valve stem seals, 137hrs and a new supercharger with viton seal (intake piping is dry).

    Compression test yields 145psi on all 3 and ski runs very strong.


  2. #2
    imp0ster's Avatar
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    Improperly installed guide seals or head gasket. My ski is about 120 on all cylinders and 0 issues. Your rings are fine

  3. #3
    alex29573's Avatar
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    if the head gasket were leaking oil into the combustion chamber wouldnt it be a constant problem? would i have even compression on all cylinders?

    I was thinking it could be something in the oil system. Im not too familiar with the system but know that there are pressure solenoids/switches?

  4. #4
    Pretty sure white=steam (or coolant but we don't use coolant) and blue is oil being burned. So unless the waterbox changes blue into white. You "should" have more of a water getting into the combustion chamber (headgasket).

    Then again perfect combustion across all cylinders is kinda weird.

  5. #5
    West Texas RXP skoepp's Avatar
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    What do the plugs look like?
    If your burning oil you should see signs on the plugs.
    Might do a leak down.
    I've seen good comp and burning oil.


  6. #6
    alex29573's Avatar
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    it always blows out white smoke out the back which is odorless and dissapears into air quickly (i've always thought this to be steam)

    my problem is a thicker, nasty smelling cloud that stays in the air longer

    my waterbox is completely gutted with the exit tube cut flush... dont see how that would cause this

    ill see if i get a video for it next time and post spark plug pics

    dont think im burning coolant as I havent added coolant to my reservoir since i bought it a year ago. it came with green coolant in the reservoir

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