xs1100 ignition

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  • bikerphil
    Master of XSology
    • Jan 2008
    • 8629
    • South Flori-DUH

    #16
    Originally posted by Chadwic82
    which ones are those?
    Here you go...

    2H7 (79) owned since '89
    3H3 owned since '06

    "If it ain't broke, modify it"

    Comment

    • Douglas Money
      Truly XSive
      • Jun 2006
      • 179
      • Braidwood IL

      #17
      Pickup coils are located on left side under cover. They tell the TCI unit to fire the coils. The wires break and they stop working. There is a fixit thread on here about them. Check for pickup coil wire repair and you can see what needs to be done. Easy job to test and fix.
      1979 XS1100F (runnin the wheels off it)
      1979 XS650 (ran the wheels off it)
      1976 CB550F (ran the wheels off it)

      Comment

      • Douglas Money
        Truly XSive
        • Jun 2006
        • 179
        • Braidwood IL

        #18
        Phil types faster than me it looks like.
        1979 XS1100F (runnin the wheels off it)
        1979 XS650 (ran the wheels off it)
        1976 CB550F (ran the wheels off it)

        Comment

        • Chadwic82
          XSive
          • Jul 2011
          • 20
          • Oklahoma City, OK.

          #19
          Thanks. I will try to look at it today.

          Comment

          • Chadwic82
            XSive
            • Jul 2011
            • 20
            • Oklahoma City, OK.

            #20
            Well, I tried the easy fix by replacing the TCI but the problem still exists. geuss I'll try the pickup wire fix when I get some more time. Took a visual look at them and they seem fine but I know looks can be deceiving.
            Thanks guys for all the help. It's greatly appreciated.

            Comment

            • Douglas Money
              Truly XSive
              • Jun 2006
              • 179
              • Braidwood IL

              #21
              You can't see the broken wires, you need an ohm meter to tell. When you hook up the meter, move the wires and watch the meter. If it jumps around, you have broken wires.
              1979 XS1100F (runnin the wheels off it)
              1979 XS650 (ran the wheels off it)
              1976 CB550F (ran the wheels off it)

              Comment

              • DAVINCI
                XS-XJ Guru
                • Jan 2011
                • 1048
                • Cedar Mountain, NC

                #22
                BTW, use an analog meter, the digital ones are too slow to react.
                Former owner, but I have NO PARTS LEFT!

                Comment

                • cywelchjr
                  XS-XJ Super Guru(Deceased)
                  • Oct 2008
                  • 4450
                  • Sacramento, CA

                  #23
                  While there are digital meters that can be used for this type of troubleshooting, the normal person is not likely to have one of them, as they are on the pricey side of things. Even many electronic techs who have need of that type of troubleshooting will just get an analog meter to go with their digital rather than spend the money on a digital that can emulate an analog meter (as I said, you can find them, but unless you use them a lot it's not cost effective, and even then it's often more cost effective to just get an analog meter anyways, so that keeps them rare even so).
                  Cy

                  1980 XS1100G (Brutus) w/81H Engine
                  Duplicolor Mirage Paint Job (Purple/Green)
                  Vetter Windjammer IV
                  Vetter hard bags & Trunk
                  OEM Luggage Rack
                  Jardine Spaghetti 4-2 exhaust system
                  Spade Fuse Box
                  Turn Signal Auto Cancel Mod
                  750 FD Mod
                  TC Spin on Oil Filter Adapter (temp removed)
                  XJ1100 Front Footpegs
                  XJ1100 Shocks

                  I was always taught to respect my elders, but it keeps getting harder to find one.

                  Comment

                  • Chadwic82
                    XSive
                    • Jul 2011
                    • 20
                    • Oklahoma City, OK.

                    #24
                    I've got both(electrician) When I get some free time I'll play with it and see if I can't trace it down.

                    Comment

                    • radical123
                      Truly XSive
                      • Dec 2008
                      • 172
                      • salem or

                      #25
                      coil

                      would that not be a bad coil?if you swap wires and get spark only from one coil.
                      Quote:Had spark on cyl. 1 and 4. 2 and 3 had nothing. Swapped the wires feeding the coils and 2 and 3 worked but 1 and 4 had nothing.End of quote:
                      ???
                      Just thinking mabe you could try some one close to you to see if you could try a set of coil swap test. (BA80)
                      Good luck.
                      Radical Ron
                      1980 midnight xs1100 Rebilt cosmetically
                      1980 midnight xs850 bagger
                      1980 Special xs1100 (all apart)
                      1979 special Special runner
                      2011 street glide

                      Comment

                      • Chadwic82
                        XSive
                        • Jul 2011
                        • 20
                        • Oklahoma City, OK.

                        #26
                        Well I was finally able to mess with the bikeand couldn't find any bad wires. Tried a different TCI and did not fix it. Now I have no spark out of either coil using both TCI's. Also when I turned the ignition on I heard a sparking sound. Upon further inspection I noticed the spark plugs were getting an intermittant spark.?????????

                        Comment

                        • skids
                          XS-XJ Super Guru
                          • Jul 2002
                          • 5046
                          • Florissant, CO, USA

                          #27
                          key switch?
                          Skids (Sid Hansen)

                          Down to one 1978 E. Stock air box with K&N filter, 81H pipes and carbs, 8500 feet elevation.

                          Comment

                          • motoman
                            Master of XSology
                            • Aug 2005
                            • 8413
                            • Grand Junction, Colorado

                            #28
                            which ones are those?
                            Engine left side-cover that has YAMAHA on it. Pull on each wire every inch holding other end.........if sheathing stretches, you found a break.........likely culprit........
                            81H Venturer1100 "The Bentley" (on steroids) 97 Yamaha YZ250(age reducer) 92 Honda ST1100 "Twisty"(touring rocket) Age is relative to the number of seconds counted 'airing' out an 85ft. table-top.

                            Comment

                            • motoman
                              Master of XSology
                              • Aug 2005
                              • 8413
                              • Grand Junction, Colorado

                              #29
                              Unscrew spark-plug end caps, corrosion found, cut back quarter inch and re-assemble.
                              81H Venturer1100 "The Bentley" (on steroids) 97 Yamaha YZ250(age reducer) 92 Honda ST1100 "Twisty"(touring rocket) Age is relative to the number of seconds counted 'airing' out an 85ft. table-top.

                              Comment

                              • Chadwic82
                                XSive
                                • Jul 2011
                                • 20
                                • Oklahoma City, OK.

                                #30
                                It was sparking with just the key on. I Hadn't even touched the start button yet. I put the key in. Turned it to on and then it started sparking?

                                Comment

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