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Time for plugs and plug wires for my '79 GS1000E. What to use rather than B8ES?

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    Time for plugs and plug wires for my '79 GS1000E. What to use rather than B8ES?

    My '79 GS1000 is running 'OK'. I am chasing some carb tuning issues and don't want to get sidetracked, but since I want to eliminate any suspect areas, I took a look at the spark. It looks weak, barely visible.

    I have read that a lot of counterfeit B8ES plugs are out there, and it's discontinued by NGK. I have also read that the resistors in the plug caps may degrade; well the plug wires may be ready to be replaced too as they look to be stock. If anyone has a recommendation on a reasonably priced replacement setup, and in general, what to do, I'd appreciate it. I'll read up, I see some threads on the subject. And yeah, coils look to be stock, but it has a Dyna S ignition.

    The Denso W24ESU resistor plug (also known as 4030) seems a possibility. They are only 2.99 at Summit Racing. I am wondering if I can try those and just pull the resistor cap off the plug and try them out to check performance. And if not good I could then go to step two, get new wires? There comes the 2nd question, what wires to use? Tight financial times so I want to be sensible and do the right thing.
    Last edited by oldGSfan; 09-30-2021, 08:47 PM.
    Tom

    '82 GS1100E Mr. Turbo
    '79 GS100E
    Other non Suzuki bikes

    #2
    I don't think the W24ESU is a resistor plug. I'd get those. In fact, I bought a bunch of W24ES plugs (no U) a while back for a great price off ebay.

    SL350-K2 1972 350 Motosport 350 Dual Sport. SL350-K1 1971 350 Motosport 350 Dual Sport. CL450-K6 1974 450 Scrambler 450 Dual Sport. CL450-K5 1972 450 Scrambler 450 Dual Sport. CL450-K4 1971 450 Scrambler 450 Dual Sport.


    Wires = 7mm copper core
    Ed

    To measure is to know.

    Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

    Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

    Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

    KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

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      #3
      Thanks Ed. I got 4 on the way for about $15 delivered. Not bad but your deal better.
      Tom

      '82 GS1100E Mr. Turbo
      '79 GS100E
      Other non Suzuki bikes

      Comment


        #4
        If your bike is starting & running as it should now, you can replace all the plugs, wires, & coils & it will still be starting & running as it should. If you have no problems going in, new stuff will never fix it.
        1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

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