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Plugs

Discussion in 'Motorcycle Tech Talk' started by RoadKingBlack2010, Aug 25, 2010.

  1. RoadKingBlack2010

    RoadKingBlack2010 New Member

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    I have the 6 year maintenance plan. What brand of spark plugs will my dealer put in and how many miles. I always liked the iridium plugs I used in my Honda VTX 1800 2003.
    RoadKingBlack2010, Aug 25, 2010
    #1
  3. chucktx

    chucktx Moderator Staff Member

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    you cant beat the harley plugs.....not expensive and last a long time.....given everything else is working order.........
    chucktx, Aug 25, 2010
    #2
  4. hotroadking

    hotroadking Super Moderator Staff Member

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    I run autolite plugs.. work great
    so does SNS

    HD plugs are fine, just be sure you have the correct plug range
    as the HD ECM uses the spark plug system for detecting knock etc
    you change to the wrong kind of wires and the bike will run poorly...
    hotroadking, Aug 25, 2010
    #3
  5. JohnnyBiker

    JohnnyBiker Well-Known Member

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    I have ran those iridiums and I think they are junk. I like the HD plugs better.
    JohnnyBiker, Aug 25, 2010
    #4
  6. FLHTbiker

    FLHTbiker Moderator Staff Member

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    I us HD plugs work great..no problems
    FLHTbiker, Aug 25, 2010
    #5
  7. cowboy

    cowboy Moderator Staff Member

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    i run the screaming eagle plugs , have worked real good for me about a set a year
    cowboy, Aug 25, 2010
    #6
  8. kenfuzed

    kenfuzed Administrator Staff Member

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    On a newer injected bike I don't think the plugs are as import as they used to be. Spark and timing are very well controlled and the best plug in the world won't improve anything. A better plug will however last longer. I've always used the Screamin Eagles, NGK, and Autolites. In older bikes I've had good luck with the Iridiums but couldn't tell the difference when used on an injected bike.
    kenfuzed, Aug 25, 2010
    #7
  9. alex the dog

    alex the dog Active Member

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    I just checked my plugs for the first time with 42,000 miles on them. Looked good, so back in they went. These are the original Harley plugs it came with, and don't know how long they are supposed to last, but will probably change them with another H-D set at 50,000 miles just for peace of mind.

    I don't see the need for expensive iridium plugs in these engines. Heck, the plugs in my '99 Silverado still looked good at 100,000 miles!
    alex the dog, Aug 26, 2010
    #8

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