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Coil help, please

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  • Coil help, please

    Just swapped in a pair of Honda 1000 coils last night. Fired right up nicely. No time for a spin then so this morning I started it up and was greeted with backfiring from the pipes, won't idle (just winds down and dies), then hard to start, now no start. Pulled plug #1 and the spark seems weaker than I would imagine it should. I did remove the ballast resistor and connected the wires together. Anybody have any hints where I should start looking? (aside from the obvious of putting the original coils back in). I was especially careful in routing the secondaries and paid close attention to the primaries. Basically I an an electrical luddite so any suggestions would be appreciated. Thanks. (1980 SG)
    1980 XS 1100 Special
    Mostly stock & original
    Added Yamaha fairing (w/ 8-track!)
    Torpedo bags
    New paint (still) pending
    Stainless brake lines
    Tkat forkbrace
    Coils from Honda 1000

    Previous bikes:
    1968(?) 350 Harley Davidson
    1977 Yamaha 650

  • #2
    Oops

    My bad - when I had the tank off of course I shut off the gas. Works much better when you move the petcocks to Prime to move some gas through. Going for a ride now.
    1980 XS 1100 Special
    Mostly stock & original
    Added Yamaha fairing (w/ 8-track!)
    Torpedo bags
    New paint (still) pending
    Stainless brake lines
    Tkat forkbrace
    Coils from Honda 1000

    Previous bikes:
    1968(?) 350 Harley Davidson
    1977 Yamaha 650

    Comment


    • #3
      Which Honda coils did you use?
      1995 KZ100P
      Pods, jets, pipes, cam adjuster, oil cooler

      1977 Ironhead - custom build
      Hot engine, custom frame, KZ front and rear, high torque starter, alternator conversion, Progressive shocks, Thunderheart wiring, Dyna ignition, oil cooler, Dakota Digital instruments, etc.

      Sold all my XS's to Eastcoaster but still love to keep up with you guys. This is the best cycle forum on the web.

      Comment


      • #4
        Don't you just love those "Damn-it...I goofed moments"
        81 XS1100H

        Comment


        • #5
          Originally posted by Aches n Pains View Post
          Which Honda coils did you use?
          The green ones. Also about 1.25" shorter that the stock coils so I called up my buddy McGyver and made them fit. Believe they were off a Shadow but I'll have to get Andreas to confirm.
          1980 XS 1100 Special
          Mostly stock & original
          Added Yamaha fairing (w/ 8-track!)
          Torpedo bags
          New paint (still) pending
          Stainless brake lines
          Tkat forkbrace
          Coils from Honda 1000

          Previous bikes:
          1968(?) 350 Harley Davidson
          1977 Yamaha 650

          Comment


          • #6
            coils

            According to Andreas these were off a 2002 Honda Shadow Spirit VT1100
            1980 XS 1100 Special
            Mostly stock & original
            Added Yamaha fairing (w/ 8-track!)
            Torpedo bags
            New paint (still) pending
            Stainless brake lines
            Tkat forkbrace
            Coils from Honda 1000

            Previous bikes:
            1968(?) 350 Harley Davidson
            1977 Yamaha 650

            Comment

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