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  • Coils

    So other than MikesXS, does anyone have another source for coils? I'm pretty positive mine are bad and it seems MikesXS is out of the black coils. They have the green ones but I can't see myself spending that much on them just yet.
    If you don't own a fire extinguisher, do me a personal favor and go purchase one... immediately.

    1980 MNS

  • #2
    You can look at some of the newer automotive coils. Hit a junkyard and look under the hood for an engine like the Subaru that uses a waste spark coil. You WILL need to bring a VOM with you to check the resistance. If it's about 1.3, you will need a ballast resistor. ~3 Ohms, should be good. Any more than ~4 Ohms, and you should NOT use them.
    Don't know if this helps, but it IS another way to try and find a "hot" coil cheap.
    Ray Matteis
    KE6NHG
    XS1100 E '78 (winter project)
    XS1100 SF Bob Jones worked on it!

    Comment


    • #3
      Originally posted by DiverRay View Post
      You can look at some of the newer automotive coils. Hit a junkyard and look under the hood for an engine like the Subaru that uses a waste spark coil. You WILL need to bring a VOM with you to check the resistance. If it's about 1.3, you will need a ballast resistor. ~3 Ohms, should be good. Any more than ~4 Ohms, and you should NOT use them.
      Don't know if this helps, but it IS another way to try and find a "hot" coil cheap.
      I had the same idea but haven't tired it yet. I drove a Suby for a couple of years and those coils sure looked bike like...

      Geezer
      Hi my name is Tony and I'm a bikeoholic.

      The old gray biker ain't what he used to be.

      Comment


      • #4
        Save up a little and get some Accels. You won't be sorry. JMHO
        2H7 (79) owned since '89
        3H3 owned since '06

        "If it ain't broke, modify it"

        ☮

        Comment


        • #5
          Partsnmore.com has the same coils as MikesXS

          I needed another one of the same coils you're talking about from MikesXS (I busted one, don't ask). Anyway, he was out at that time too. I searched for the part number and found out that Partnmore.com sells the same ones, part number 17-6803. So I picked one up from there and it was exactly the same, worked perfect.

          Here's the link if you need it...

          https://www.partsnmore.com/cat_index...ory=electrical

          It's listed a little ways down the list...
          '81 XS11 SH (XSelsior)

          Comment


          • #6
            Just installed green mikes xs coils today.Went for a test ride about an hour ago.Save your pennies and get the green ones. I would recommend you stay away from junkyard coils.Our tci units are expensive and getting harder to come by.Terry
            1980 special (Phyllis)
            1196 10.5 to 1 kit,megacycle cams,shaved head,dynojet carb kit,ported intake and exhaust,mac 4 into 1 exhaust,drilled rotors,ss brake lines,pods,mikes xs green coils,iridium plugs,led lights,throttle lock,progressive shocks,oil cooler,ajustable cam gears,HD valve springs,Vmax tensioner mod

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            • #7
              Out of stock there too.... bummer


              Originally posted by jwoell View Post
              I needed another one of the same coils you're talking about from MikesXS (I busted one, don't ask). Anyway, he was out at that time too. I searched for the part number and found out that Partnmore.com sells the same ones, part number 17-6803. So I picked one up from there and it was exactly the same, worked perfect.

              Here's the link if you need it...

              https://www.partsnmore.com/cat_index...ory=electrical

              It's listed a little ways down the list...
              Austin Ingalls

              MIDNIGHT FURY
              1979 XS1100 Special [Full Restore Project]
              XJ maxim rear air shocks
              KERKER 4-into-1 exhaust
              Pod Filters

              Money pit.......
              BLACKED OUT

              Comment


              • #8
                Originally posted by tw1980 View Post
                Our tci units are expensive and getting harder to come by.Terry
                Even more so for the 81 and the 82 XJ... Each one year specific IIRC. I believe the 78-80 are interchangable though.
                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
                  Well I cannot speak for Mikes green coils or most other aftermarket coils however, I have a pair of 3 ohm Dynatek Performance DCI-1 coils with 8.8mm Accel stainless steel wires. They will not make more power for you but will definately unlock any potential power you may have. You can feel the difference both in unlocked performance and the fact they will knock you on the ground if you happen to get in the way of the spark path.
                  Mike Giroir
                  79 XS-1100 Special

                  Once you un-can a can of worms, the only way to re-can them is with a bigger can.

                  Comment


                  • #10
                    alternative coils

                    ZRX1100 coils......
                    MDRNF
                    79F.....Not Stock
                    80G......Not Stock Either....In the works

                    Comment


                    • #11
                      replacement of the wires

                      Hi,
                      Maybe can you send me a mail address so I can send you pictures of the pieces ans also an other way to replace the "wires" of the coils. I've descript it in a word document. If you're interested...... It works very good. Generally, the coil(bobine?) is in a good state but the wires become ""marshmallow" )))))))))) )))))))))). I've made it on my XS
                      Greetings from Belgium
                      Alex

                      PS: sorry for my bad Us speaking

                      Comment


                      • #12
                        Z1 Enterprises sells a set of 3 Ohm Dyna Coils for our applications. Unfortunately they're nearly as expensive as the green monsters, but only put out 30k volts. The green ones put out 45kv at 12.5 volts input, and 75kv at 14 volts input.
                        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


                        • #13
                          Hey SuperXS,

                          You speak better English/American than some natural Americans do!! Thanks for the offer of the replacement of wires in old coils writeup, but we already have one in the tech tips, complete with pictures and everything!

                          Well, I'm glad that the green ones are performing well for you all. I still have the regular 35Kv black MikesXS/PartsnMore ones that I put on when I did the tech tip, and they have worked flawlessly for several years now. I've read where some folks oopsed and tried to SOLDER their wires to the terminals.. I believe they(MikesXS) state to NOT solder the wires to them, but use slip on connectors. Sorry to hear that they are becoming out of stock for both Mikes and PNM!

                          Probably any aftermarket high output(double OEM of 15Kv or more) will provide the enhanced performance, just depends on how much you want to spend for it. I know mine starts up much quicker and easier, and just has plenty of power. I didn't really notice any better mileage though! YMMV!?
                          T.C.
                          T. C. Gresham
                          81SH "Godzilla" . . .1179cc super-rat.
                          79SF "The Teacher" . . .basket case!
                          History shows again and again,
                          How nature points out the folly of men!

                          Comment


                          • #14
                            'nother option is Honda VF1000 coils. Photo's and more details here
                            Brian
                            XS1100 LG "Mr T", SG "ICBM" & FJ1200
                            Check out the XS Part Number Finder

                            Be not stingy in what costs nothing as courtesy, counsel and countenance.

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