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5k vs 1k ohm caps

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  • #1

    5k vs 1k ohm caps

    So I changed the spark plug caps from the 5k ohm ones to the 1k ohm ones I found locally . I am running iridium plugs that have a resistor in them .
    Bike seems to run better and my gas mileage is good .
    I could have eliminated the caps altogether but like the look of them .
    XJ1100K
    Avon rubber
    MikesXS black coils
    Iridium plugs w/ 1k caps
    MikesXS front master
    Paragon SS brake lines (unlinked)
    Loud Horns (Stebel/Fiamm)
    Progressive fork springs
    CIBIE headlight reflector
    YICS Eliminator
    Tags: None
  • #2
    isn't the resistance in the plugs and caps just for radio frequency interference elimination. From my understanding you can eliminate all of the resistance in the caps and plugs without any ill effect on the bike (might even make it run better without the resistance).
    Nathan
    KD9ARL

    μολὼν λαβέ

    1978 XS1100E
    K&N Filter
    #45 pilot Jet, #137.5 Main Jet
    OEM Exhaust
    ATK Fork Brace
    LED Dash lights
    Ammeter, Oil Pressure, Oil Temp, and Volt Meters
    Green Monster Coils
    SS Brake Lines
    Vision 550 Auto Tensioner

    In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

    Theodore Roosevelt

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    • #3
      Rf

      I think you are right in that it is all about RF . The iridium plugs only come in a resistor type so I have that covered . I dont want to give bikers a bad name !
      I know some folks run non-resistor plugs with non-resistor caps with no ill effects . I wonder how much of an improvement that would be over my present setup .
      XJ1100K
      Avon rubber
      MikesXS black coils
      Iridium plugs w/ 1k caps
      MikesXS front master
      Paragon SS brake lines (unlinked)
      Loud Horns (Stebel/Fiamm)
      Progressive fork springs
      CIBIE headlight reflector
      YICS Eliminator

      Comment

      • #4
        The Iridium are ONLY in a resistor type. I run the NGK NON-RESISTOR caps on the Standard. I've had no problems with my music, and the bike runs well(except for a carb problem I'm trying to work out!). I DO have the Mikes green coils, so I KNOW the spark is HOT!!
        Ray Matteis
        KE6NHG
        XS1100 E '78 (winter project)
        XS1100 SF Bob Jones worked on it!

        Comment

        • #5
          what part number is that non resistor cap?
          1978 Macho Maroon XS1100 Mikesxs green coils, ZRX Carbs, spaghetti jardine 4 into 2
          1989 FXLR harley that is not stock
          1977 RD400 stage 2 ported with VM30 carbs
          1975 RD350 modified

          I can't leave anything alone

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