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Thread: Spark plugs

  1. #1
    RiseXagainst42's Avatar
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    Spark plugs

    Hey everyone, Ive searched and havnt really found what I was looking for, Never have good luck with the search button lol. But anyway, I am looking at replacing spark plugs in my 2005 RXT and was wondering what all you use in your 4tec Rotax SC 215's???? Sorry again if this has been covered!!!


  2. #2
    flyguytki's Avatar
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    They should be the same as all the 4 strokes NGK DCPR8E

  3. #3
    Moderator Snoman's Avatar
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    Well it depends on if your machine is modded or not...This is what is usually recommended...

    Denso Iridium...These are a longer lasting plug..They will outlast the OEM ones 10 to 1..Alot of us use them once we make modifications to our machines...Here are the denso recomendations:

    For a bone stock machine that doesn't plan on getting modded .... IXU24
    For a machine with an air intake and anything more ... IXU27

    If you want to save a few bucks then you can just replace them with the OEM ones which are NGK DCPR8E
    ..Which IMO will do just fine,especially in a stock unmodded boat/ski..

  4. #4
    Quote Originally Posted by Snoman View Post
    They will outlast the OEM ones 10 to 1
    Man I hope so. I don't want to have to pay for them again, and my stock plugs lasted 80 hours.

  5. #5
    RiseXagainst42's Avatar
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    well i just got the ski about a month ago and want to do some maintnece such as changing oil/plugs and all that. I DO PLAN to do some mods up to a stage 2 kit

  6. #6
    Moderator Snoman's Avatar
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    I have a stage 2 ski myself and with the stock plugs i would experiance a small bog/miss at start up when the ski is cold,Kinda like the cylinders were loading up..Once i switched to the Iridiums it was gone..I run Iridiums in both my machines and have had only one issue...BUT i have also had an issue with the OEMs also...Me personally i like the Densos over the OEMs...

  7. #7
    SoFlaRiders Member mksmi's Avatar
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    Can you get both plugs at any auto parts store or are they marine stores only?

  8. #8
    Moderator Snoman's Avatar
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    The iridiums you can usually get from Autozone..Some stores i have heard from other members carry them in stock,some have to special order them..There is a guy on ebay who sells the iridiums in sets of 3 for around 30 bucks..The OEM ones i used to get from the dealer..It was cheaper for me to do that then ordering them..BUT if you are intrested in ordering OEM ones i can get you a website were they can be ordered from...

    Here is a link to the E-bay site were you can get the Densos for cheap..

    http://cgi.ebay.com/ebaymotors/3-DEN...spagenameZWD1V

  9. #9
    JFizzleJR's Avatar
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    I'd rather take my chances with the stock plugs. Even carry an extra set in your glove box if you're worried. Just hope they don't get any impact damage But seriously, 5 sets of OEMs for the price of 1 set of denso plugs

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