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  1. #1

    NGK spark plugs: Which the best for Ultra 250/260?

    Which NGK spark plugs work the best for the Ultra 250/260: Platinum or Iridium?


  2. #2
    nicjak's Avatar
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    a spark plug is exactly that a spark plug they all work buy what you can afford. there is more than likely 100 replies to your post already here

  3. #3
    Markov's Avatar
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    I was told NGK CR9EKB for my '07 Kawa Ultra 250X. Think Amazon.com has them for like $6.50 per. Hope this helps.

  4. #4
    Thanks for the feedback.
    I was advised that the NGK CR9E1X is also a good choice. I'll give that a try.

  5. #5

    NGK Laser Platinum - Premium Plugs

    Hello - I use the Platinum Plugs - PMR9B 4717 Stock Number and these plugs work fantastic! They are expensive plugs - Local dealer sells them at $25 per plug. I get about 30-35 hours on them before they need replacing. Hope this helps.

    I own a 2008 Kawasaki Ultra 250X Ski.

  6. #6
    dawson's Avatar
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    back in the old days when i had one of these historic race machines
    i ran CR10ek (you would have to run the 9 heat range)
    cheap as chips did the job fine on one of the angrest lx's around

  7. #7
    Take the time to smile sirbreaksalot's Avatar
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    Quote Originally Posted by dawson View Post
    back in the old days when i had one of these historic race machines
    i ran CR10ek (you would have to run the 9 heat range)
    cheap as chips did the job fine on one of the angrest lx's around
    CR9EK's here
    last set still going at 27hrs


    Waz

  8. #8
    the wotman likes boobs wotman's Avatar
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    Quote Originally Posted by sirbreaksalot View Post
    CR9EK's here
    last set still going at 27hrs


    Waz
    CR9EK's better than PMR,s.

  9. #9
    nicjak's Avatar
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    as i said each to there own i have never needed to replace a pmr because it failed


    Quote Originally Posted by nicjak View Post
    a spark plug is exactly that a spark plug they all work buy what you can afford. there is more than likely 100 replies to your post already here

  10. #10
    the wotman likes boobs wotman's Avatar
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    Quote Originally Posted by nicjak View Post
    as i said each to there own i have never needed to replace a pmr because it failed
    Have you tried the CR9EK's?

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