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Spark plug wires

Discussion in 'Motorcycle Tech Talk' started by more power, Jul 23, 2010.

  1. more power

    more power New Member

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    How often do you recomend I change my plug wires.
    more power, Jul 23, 2010
    #1
  3. cowboy

    cowboy Moderator Staff Member

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    I change mine about once a year , just to play it safe
    cowboy, Jul 23, 2010
    #2
  4. hotroadking

    hotroadking Super Moderator Staff Member

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    unless they are cut or damaged or the bikes running like crap, just keep using them JMO.. My heritage plug wires are 10 years old.... still sparks fine...
    hotroadking, Jul 23, 2010
    #3
  5. sarge7

    sarge7 New Member

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    If it ain't broke - don't fix it.:)
    Regular scd. maintaince will let ya know when it's time. :D
    sarge7, Jul 23, 2010
    #4
  6. FLHTbiker

    FLHTbiker Moderator Staff Member

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    Only when they need em. I bought my 01 Springer used and did change them out with plugs when I first got it 3 years ago but not sense.
    FLHTbiker, Jul 23, 2010
    #5
  7. chucktx

    chucktx Moderator Staff Member

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    still running stock wires on an 06..........
    chucktx, Jul 23, 2010
    #6
  8. HarleysLR

    HarleysLR Active Member

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    I changed to the scream'n eagle plug wires about 4 years ago or 25,000 miles ago, couldn't tell any difference in the stoc or the SE wires. plugs I change about every 10,000 miles. buy at the auto parts store much cheaper.
    HarleysLR, Jul 23, 2010
    #7
  9. hotroadking

    hotroadking Super Moderator Staff Member

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    BTW on the newer bikes there is knock or "ion" sensing technology in the ECM and it uses the plug wires to sense, so if you go and make your own from an autoparts store like Accell etc you will get all kinds of codes. You have to use HD or one that is certified for the newer bikes with the sensing technology,

    I think pretty much all Delphi bikes use it..
    hotroadking, Jul 24, 2010
    #8
  10. quietone

    quietone Active Member

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    Like sarge said if it aint broke don't fix it, had one go bad with 28,000 miles on it, replaced as a set and have 80,000 on this set and still fires fine.
    quietone, Jul 24, 2010
    #9
  11. more power

    more power New Member

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    Thanks all. I was just wonderin. That is so true if It ain't broke don't fix it. From the spark plug wirers I went to checkin the price on a electronic speedo for my FXR. By the time I added up most everything it was close to $500.00 bones. !%#@ that. I'll put up with my mecanical one that is 16 mph ( or so) off and do the math. After 100 MPH it don't matter anyway. Now I'm gona price me some bars and cables.
    more power, Jul 24, 2010
    #10
  12. hotroadking

    hotroadking Super Moderator Staff Member

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    find a used one on Ebay - we did for my buddies 98 RK when his original went out.

    Also if you find one for a different year you just need the wire diagrams to hook it up..

    I think he paid $80 or so....
    hotroadking, Jul 24, 2010
    #11
  13. cowboy

    cowboy Moderator Staff Member

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    Had to go back & think about this again dua I change my plugs every year still have the 03 plug wires & 61K miles
    cowboy, Jul 24, 2010
    #12

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