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  1. #21
    Ok, I found the cap size for the Denso website.

    2003 SEA-DOO (BOMBARDIER) GTX 4-Tec 4-stroke Ltd Supercharged 1,494 cc IXU24 0.022

    Also found a cross-reference for the spark plugs.
    SUBARU DENSO IRIDIUM POWER IRIDIUM TOUGH
    SAB33NG6808(IRIMAC IXU24 IXU24 VXU24

    Looks like I'll be heading to my local Subaru dealer

    Turns out Subaru didn't have it in their system.
    But I found out Ducati uses them in some of their bikes.

    MODEL CC YEAR DENSO IRIDIUM POWER
    900 SS / SUPERSPORT 900 96-'99 XU24EPR-U IXU24

    Off to Ducati we go :S

    Stretch


  2. #22
    So it turns out they didn't have the proper plugs.

    Now I went back to Canadian Tire and found some DCPR7EIX and DCPR9EIX.

    The stock plugs in the RXP are DCPR8E.
    Would putting in a 7 or 9 damage my engine?

    Stretch

  3. #23

    Join Date
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    Those are heat range numbers. Stay with the recommended heat range ( unless you have internal engine mods--then you might want to go one heat range colder.

  4. #24

    Join Date
    Oct 2005
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    yardley pa.
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    plugs

    Has anyone tryed indexing them,if so was there any benefit?

  5. #25

    Join Date
    Apr 2008
    Location
    avalon, nj
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    8

    Spark Plug gap

    I have a 05' GTX 4 - tec. Bot NGK DCPR8E plugs. I am going to run it this weekend to get the fogging oil out of it and probably have to replace the plugs. Do they come pre gapped from the factory and if not where should I gap them? 020 - .024 ?

    Thanks

    Scott

  6. #26
    Quote Originally Posted by rancarts View Post
    Has anyone tryed indexing them,if so was there any benefit?
    IMHO indexing plugs on a 4 stroke is of little benefit.

  7. #27

    How do I remove the spark plug boot?

    The pictures are great! Very helpful. Thanks for posting them. I have one question though... do I remove the spark splug boot by pulling it off or by unscrewing it?

  8. #28
    AKA: Larry lafjax's Avatar
    Join Date
    Jul 2006
    Location
    Jacksonville, Fl
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    3,032
    Quote Originally Posted by browan View Post
    The pictures are great! Very helpful. Thanks for posting them. I have one question though... do I remove the spark splug boot by pulling it off or by unscrewing it?
    They come out by pulling them off...not screwing.

  9. #29
    Orlando Shark's Avatar
    Join Date
    Mar 2009
    Location
    Orlando, FL
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    2,690
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    Ok I just bought the DCPR8E at discount but can't take off the piece at the end of the plug, already tried twisting it and broke one(good thing I bought 6) and tried pulling aswell but it doesn't seem to come off...anyone had this problem before? Or what am I doing wrong?

  10. #30
    Plug manufacturers use diferent scales for heat ranges. Champion goes hotter with a larger number while NGK goes cooler with a larger number ,at least last time I checked. Something to keep in mind when reading the plug color. Generally a light tan color is ideal. White is too hot while black indicates too cold. Plug readings can vary somewhat depending on how they are taken, usually best to stick with published specifications.
    The seadoo in the pictures uses a low tension system with the high tension coils near the spark plug which is great for preventing wire shorting and missfires.

    rt

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