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Carbon build up on spark plugs

Discussion in 'XJ Technical Chat' started by mjrubens, Jul 21, 2007.

  1. mjrubens

    mjrubens New Member

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    Location:
    Kent, Ohio
    I just bought a Maxim XJ700 and the previous owner told me that he has had to change the spark plugs a couple of times. The other day when I was riding it I noticed a pretty good loss in RPM and took out the plugs and they all have a pretty good amount of carbon build up on them. Does anyone know why the plug would keep getting carbon build up on them?
     
    mjrubens, Jul 21, 2007
    #1
  2. MiCarl

    MiCarl Active Member

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    Location:
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    Mixture too rich.

    Burning oil.
     
    MiCarl, Jul 21, 2007
    #2
  3. RickCoMatic

    RickCoMatic Well-Known Member

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    Location:
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    Fill-out the Signature Feature in your account with Thumbs about your bike, please.

    ______________________________________________
    Year - Model - Total Miles - Stock/Modified - Current Problem

    Carbon?
    Dry?

    Mixture too Rich or Wrong Jets.
    Burning Oil.

    Let's get the Thumbs so we can see that mileage.

    Right now ... let's hope it's a Tweakable fix.

    Just EXACATLY how does this bike Start and Run???
     
    RickCoMatic, Jul 22, 2007
    #3

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