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  1. #1

    Spark plugs fouling

    2003 seadoo GTI LE. runs great on new plugs, about 2 tanks starts hesitating on full throttle, then eventually has no power. Pull plugs, they are burnt looking and oily, put new plugs in runs great again. Any suggestions?


  2. #2
    wotxxxsd's Avatar
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    Run a better 2 stroke oil.
    Some shit oils will doo that.

    Also 2 strokes are prone to fouling plugs.
    It's the nature of the beast..

  3. #3
    dlajoy1122's Avatar
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    Quote Originally Posted by wotxxxsd View Post
    Run a better 2 stroke oil.
    Some shit oils will doo that.


    Also 2 strokes are prone to fouling plugs.
    It's the nature of the beast..
    I agree. I used to run some 'Okay' stuff in my 2-stroke outboard boat engine before I got a seadoo and it ran like garbage. I switched the oil to something good and it ran a lot better. Spark plugs kept cleaner.

    In my ski....
    I run top of the line XPS-Stoke oil which costs a fortune and I threw in iridium sparks in my 96xp last year and its been going strong 2 seasons. No issues. Not saying I won't run into any but just throwing it out there.

    These plugs are for mine and I believe will also run for your machine too... the 2003 gti le
    http://www.ebay.ca/itm/NGK-BR8EIX-Iridium-Plug-/280761997041?pt=Motors_Car_Truck_Parts_Accessories &hash=item415eb816f1

    This is the oil I buy...
    http://www.ebay.com/itm/Ski-Doo-Can-Am-Sea-Doo-XPS-2-Stroke-Fully-Synthetic-Engine-Oil-Case-of-3-Gallons-/180982192523

    Machine runs great.

  4. #4
    I run pensoil now and have ran yamalube. I will try the oil you suggest

  5. #5
    roundtopjeff's Avatar
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    Is it possible that it's your ignition coils. Take a look at this posting

    http://www.pwctoday.com/showthread.php?t=368879
    Last edited by roundtopjeff; 07-10-2013 at 05:04 AM.

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