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Spark plug gap for XJ700

Discussion in 'XJ Technical Chat' started by wyoriv, May 12, 2011.

  1. wyoriv

    wyoriv New Member

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    What is the proper gap for my '85? I did a search, but could only find one reference...it said .8mm. The old spark plugs were all gapped to .4mm, and they were filthy 8O .

    Is this gap the same for all xj's?
     
    wyoriv, May 12, 2011
    #1
  2. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    Not necessarily; not all XJs run the same plugs, stock. Some have 12mm plugs, some 14mm plugs, different specs.

    That being said, I'm willing to bet that 0.7mm~0.8mm is good for your bike too.

    0.4mm is way too tight for pretty much anything.
     
    bigfitz52, May 12, 2011
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