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Damage from wrong spark plugs?

Discussion in 'XJ Technical Chat' started by apato632, Oct 30, 2017.

  1. apato632

    apato632 Member

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    Hi there,

    I just bought an xj650rjc (Canadian Seca 650) and the PO was running BPR6ES plugs. I’ve put in BPR7ES plugs, which I believe is correct. (I don’t think you can buy non resistor plugs in Canada.)

    Could he have wrecked anything by running the wrong plugs?

    Thank you,

    Aaron
     
    apato632, Oct 30, 2017
    #1
  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    XJ550H, Oct 30, 2017
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  3. Toomanybikes

    Toomanybikes Well-Known Member

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    6's would be ok if your putting around in traffic, running rich or your bike is using lots of oil.

    Post some pics, we always want to seen what everyone is riding
     
    Toomanybikes, Oct 30, 2017
    #3
  4. hogfiddles

    hogfiddles XJ-Wizard, Host-Central NY Carb Clinic Moderator Premium Member

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    Nope
     
    hogfiddles, Oct 31, 2017
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  5. XJ550H

    XJ550H Well-Known Member Premium Member

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    I would ask myself why did PO have hotter plugs in there.
     
    XJ550H, Oct 31, 2017
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  6. hogfiddles

    hogfiddles XJ-Wizard, Host-Central NY Carb Clinic Moderator Premium Member

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    My assumption is that he had no clue, and " a plug is a plug" mentality
     
    hogfiddles, Oct 31, 2017
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  7. jayrodoh

    jayrodoh YimYam

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    Eh, I think if that were the case there'd be a more random plug or plugs in it. I vaguely recall my friends telling me I'd get more power and better gas mileage with a hotter plug when I was in my teens. I probably believed it then.
     
    jayrodoh, Oct 31, 2017
    #7
  8. MattiThundrrr

    MattiThundrrr Not a guru

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    The honda manual (I know, I know) gives 2 Choices for plugs, one regular, one for high speed riding. Maybe that's what po was thinking. Guess which ones I went with?
     
    MattiThundrrr, Nov 1, 2017
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    XJ550H likes this.
  9. apato632

    apato632 Member

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    Hi all,
    Thank you for the info and pardon my late reply :)

    Pictures attached, as requested.
     

    Attached Files:

    apato632, Nov 4, 2017
    #9
  10. MattiThundrrr

    MattiThundrrr Not a guru

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    Hmm. 650 Seca with 750 paint? Looks good!
     
    MattiThundrrr, Nov 4, 2017
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