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Iridium spark plugs

in General Tech Discussion 8 years ago
What is the recommendation regarding the installation of DCPR7EIX plugs in a 912UL.

Only benefit I can see is plugs should stay cleaner longer. Possibly less chance of fouling.

Any info on the subject?

  • Re: Iridium spark plugs

    by » 8 years ago

    Stick with what Rotax recommends.

    The NGK DCPR7E
      
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  • Re: Iridium spark plugs

    by » 8 years ago

    Don't mean to be argumentative but not really an answer with any information.
    Thank you said by: Rotax-Owner
      
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  • Re: Iridium spark plugs

    by » 8 years ago

    I understand what you are saying, but you asked what is the recommendation regarding the installation of DCPR7EIX plugs in a 912UL and there is no recommendation of sorts.

    If Rotax thought it was an acceptable spark plug to use they would have listed it.

    Here is a good perspective from a gentlemen named David Weaver

    "The iridium electrode plugs feature perhaps the lowest rate of electrode loss or wear over time. They make sense for high energy ignition systems. The Rotax ignition system is a low energy system where standard spark plug electrode wear over time is very low. I appreciate the low maintenance of iridium spark plugs in my autos, but do not feel they are a good investment for my Rotax 912. I consider iridium spark plugs in my autos to be life time plugs. I have a Toyota that is at 200,000 miles with the original iridium spark plugs still performing as if the auto were new. After first 100,000 miles, the electrode gap had changed only 1.5 - 2.0 thousandths! When I do pull them, I check for gas leakage around the porcelain insulator before regaping and reinstallation. Some auto manufacturers spec their autos equipped with iridium spark plugs for spark plug service after 100,000 miles.
    David Weaver N012GR"
      
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