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  1. #1

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    SLT 780 spark plugs

    This ski has Champion B339 or 8339 plugs. Are these the proper plug?
    not an easy plug to find.


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    All Polaris 2-stroke watercraft use NGK spark plugs.

    See my signature links for guides to more info and specifics for your Fuji engine.

  3. #3
    BlueFishCrisis's Avatar
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    Ngk bpr8es

  4. #4

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    Quote Originally Posted by BlueFishCrisis View Post
    Ngk bpr8es
    Another search I did suggests Bpr7es. I believe the lower the # with NGK the colder the plug?
    Does anyone have a manual for a SLT780 that specifies the proper plug? I believe this one came factory Champion 8339 but may be wrong

    Thanks
    Al

  5. #5
    BlueFishCrisis's Avatar
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    Quote Originally Posted by IndyAl View Post
    Quote Originally Posted by BlueFishCrisis View Post
    Ngk bpr8es
    Another search I did suggests Bpr7es. I believe the lower the # with NGK the colder the plug?
    Does anyone have a manual for a SLT780 that specifies the proper plug? I believe this one came factory Champion 8339 but may be wrong

    Thanks
    Al
    the factory manual states NGK BPR8ES. NGK Spark Plug info....

  6. #6

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    Thanks
    Very good document on spark plugs

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