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Which ignition coils to use??

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  • #1

    Which ignition coils to use??

    I'm replacing the coils on my 80SG. I have several choices. Dyna and Acell make coils that fit these specs
    1- 1.5 ohm coils and leave the ballast resistor.
    2- 3.0 ohm coils and remove the ballast resistor
    Which route should I go? Is there any advantages or disadvantages to either setup?
    Dyna makes a mini coil DC1-2 it looks like it would be easier to mount. Anybody ever install a set of these?
    Slow down and enjoy life. If you are in that much of a hurry, you should have left eariler.
    Current rides:
    80 XS1100SG
    82 JX1100
    83 Venture Royale
    86 V-Max
    Tags: None
  • #2
    The common choice is the green coils from MikesXS.com. They sell a better, black version too, but they are usually out of stock.
    1980 XS850SG - Sold
    1981 XS1100LH Midnight Special (Sold) - purchased 9/29/08
    Fully Vetterized and Dynojet Kit added, Heated Grips, Truck-Lite LED headlight, Accel Coils, Irridium plugs, TKAT Fork Brace, XS850LH Final Drive & Black SS Brake lines from Chacal.
    Here's my web page devoted to my bike! XS/XJ User's Manuals there, and the XJ1100 Service Manual and both XS1100 Service manuals (free download!).

    Whether you think you can, or you think you cannot - You're right.
    -H. Ford

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    • #3
      http://www.mikesxs.net/products-27.html#products

      Part #17-6803 are all you need. They put out far more than the stock coils ever did and bolt in the stock location with no mods.

      The green coils would be good if your going to run a turbo, supercharger or nitrous, but are overkill for an otherwise stock motor.

      Either way don't forget spark plug wires.
      Nice day, if it doesn't rain...

      '05 ST1300
      '83 502/502 Monte Carlo for sale/trade

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      • #4
        The 3 ohm and lose the resistor is the way to go. One less part to fail.
        2H7 (79) owned since '89
        3H3 owned since '06

        "If it ain't broke, modify it"

        ☮

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        • #5
          I forgot about MikesXS, I'll ckeck them out.
          Slow down and enjoy life. If you are in that much of a hurry, you should have left eariler.
          Current rides:
          80 XS1100SG
          82 JX1100
          83 Venture Royale
          86 V-Max

          Comment

          • #6
            Originally posted by Crazcnuk View Post
            http://www.mikesxs.net/products-27.html#products

            Part #17-6803 are all you need. They put out far more than the stock coils ever did and bolt in the stock location with no mods.

            The green coils would be good if your going to run a turbo, supercharger or nitrous, but are overkill for an otherwise stock motor.

            Either way don't forget spark plug wires.
            What is the primary resistance of this coil? It does not say on the website. Do I need to keep the resistor plug caps or can I loose them?
            Slow down and enjoy life. If you are in that much of a hurry, you should have left eariler.
            Current rides:
            80 XS1100SG
            82 JX1100
            83 Venture Royale
            86 V-Max

            Comment

            • #7
              i used the honda vt1000 coils 3 ohm
              careful what you wish for.........you might get it

              Comment

              • #8
                Hte MikeXS black coils have been known to go bad in a relatively short time span. Several members have only gotten a few seasons out of them. That is why many step up to the green coils.

                I have not changed my stock coils out, but I believe you still use the resistor plug caps unless you run the resistor plugs.
                Life is what happens while your planning everything else!

                When your work speaks for itself, don't interrupt.

                81 XS1100 Special - Humpty Dumpty
                80 XS1100 Special - Project Resurrection


                Previously owned
                93 GSX600F
                80 XS1100 Special - Ruby
                81 XS1100 Special
                81 CB750 C
                80 CB750 C
                78 XS750

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                • #9
                  The TCI does not care what the resistance is on the spark plug wire side, just the power input side. The resistance caps are for radio supression only. You can run any type caps you like. If you're using an electronic device while riding, use either resistance caps or resistance spark plugs.
                  2H7 (79) owned since '89
                  3H3 owned since '06

                  "If it ain't broke, modify it"

                  ☮

                  Comment

                  • #10
                    Green Coils

                    I have the Green Coils coming in the mail. Can't wait. It is a horrible feeling experiencing your coils demise.

                    I forgot plug caps, so i will get some at a local auto parts store. I may need a little help on the install when they get here...but thanks to beardslee it seems like a simple install.
                    1979 XS1100SF (4-1 Kerker, XS Pods, 145 mains, 45 pilots, drag bars, blacked out)

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                    • #11
                      The common choice is the green coils from MikesXS.com. They sell a better, black version too, but they are usually out of stock.
                      I had a set of the black ones (17-6803). They lasted 7k miles and crapped out. I'd opt for the green ones, or a set of Dynas from Z1 Enterprises. The Dynas are basically the same spec as the black mikes coils - 3 ohm primary resistance, 30kv output, but with beefier windings. The green mikes coils put out 45kv with a 12v input, and 75kv with 14v input. Whatever coils you decide to go with, don't forget to open your plug gap a bit - .035"-.040" on the green monsters, .035" on the black mikes and dynas. NGK Iridium plugs pair very nicely with either.
                      I think I have a loose screw behind the handlebars.

                      '79 XS11 Standard, Jardine 4/1, Dyna DC1-1 Coils, 145 mains, 45 pilots, plastic floats - 25.7mm, XV920 fuel valves, inline fuel filters, speed bleeders, Mikes XS pods, spade-type fuse block, fork brace, progressive fork springs/shocks, manual petcocks, 750 FD, Venture cam chain tensioner, SS brake lines

                      Comment

                      • #12
                        How about Accell, Which ones and keep or eliminate the resistor? I forgot and I also was interested in coils sometime soon.
                        "We are often so caught up in our destination that we forget to appreciate the journey." "

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                        • #13
                          I've got a set of the black Mike's XS coils, but I haven't installed them yet. Hopefully They last more than 7k miles! I guess I won't be doing any long trips without my old ones as spares.

                          I've already eliminated the ballast resistor on mine... just one more thing that can fail, and I don't like the idea of wasting energy through a resistor when it could be going to a spark.
                          '80 SG with motor from a '82 XJ

                          Comment

                          • #14
                            Originally posted by DGXSER View Post
                            The MikeXS black coils have been known to go bad in a relatively short time span. Several members have only gotten a few seasons out of them. That is why many step up to the green coils.

                            I have not changed my stock coils out, but I believe you still use the resistor plug caps unless you run the resistor plugs.


                            I will not buy the black ones from Mikes XS again. Had them for a short time before they died. Only had them about 3 months
                            Four wheels move your body, two wheels move your soul.

                            ATGATT, It could save your life!

                            1980 XS 1100SG
                            Dyna 3 Ohm Hi Output Coils
                            Pod Filters
                            DynoJet Kit
                            T.C.'s Fuse Block
                            Slip Streamer Turbo Windshield
                            Custom Tank and Side Cover Decals
                            V-Max Auto CCT

                            Comment

                            • #15
                              Originally posted by MrOzz View Post
                              I will not buy the black ones from Mikes XS again. Had them for a short time before they died. Only had them about 3 months
                              Yep, the black MikesXs ones quit on me too, 10 miles from home, had to limp it back on 2 cyl.

                              +1 on the 3 ohm Accels.
                              2H7 (79) owned since '89
                              3H3 owned since '06

                              "If it ain't broke, modify it"

                              ☮

                              Comment

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