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    Charging issues!!!!!

    Fellas-

    Woke up to a dead battery. Went over the bike with the Stator papers, and found no fault with the Stator and r/r. The only confusion I have is the fact that when I do the voltage tests on the stator while bike is running, it says you will get 75+ volts (AC) between each leg. I am getting 28V on each leg. If these add up to over 75 volts, does that mean it passes? I used an autoranging fluke meter, so I'm not sure if it automatically goes into AC voltage or not.

    I charged the battery to a little more than 12 volts last night, hooked the meter to my tank and went on a ride. The battery wittled down to 7v while riding. It took me 30 minutes to run with the bike and pop it in gear to get it re-started. The only thing I have noticed over the past day different with the bike is the tractor solenoid I installed became disconnected from it's mounting post. Not sure if that would kill the stator or R/R. I did the diode check on the R/R, and all checked out! So, what the heck happened? THe resistance checks on the stator all passed. Should I re-check the voltages on my other meter that measures manually in AC voltage? I just re-read that stator test. I think my stator is hit!

    Thanks fellas.

    #2
    I don't know which meter you have, but they usually have a separate setting for AC and DC voltage. It will autorange the voltage scales, but you should have to select the type. I just looked up a manual that covered models from 21-77 and that is what I got from it. It wasn't a great manual.
    http://www.thegsresources.com/_forum...ine=1440711157'78 GS1000E, Dyna-S ignition, Dyna Green Coils, K&N pods, Delkevic SS 4-1 exhaust, Dynojet Stage 3 jet kit, Russell SS Brake Lines, Progressive suspension, Compu-Fire series Regulator 55402 and Advmonster cree LED headlight conversion.

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      #3
      I would make sure that your meter was on AC voltage. Not sure if all stators are the same but with mine disconnected, at 4k to 5k rpm's you should get more than 60VAC on each leg, and each leg needs to be close to the same voltage. The stator pages and R/R checks are a great tool. Them along with the guys on this forum, it didn't take long to figure out where my issue was.

      Comment


        #4
        I'll Redo The AC Voltage Test!

        Fellas-

        I'll redo the AC voltage test on a different meter. The meter I used was a F-110, which I believe auto-switched between AC and DC. But, just in-case, I'll redo it with a Fluke meter with an AC/DC manual dial. I never looked to see if it was registering in AC or DC.

        I probably need a new Stator though. Ebay has them new for $90. http://cgi.ebay.com/ebaymotors/NEW-S...item4cf9e74aa3. Does anybody know of anyone that has them cheaper?

        Comment


          #5
          on a fluke there are 2 types of pictures instead the letters AC/DC

          one is a curvy line going back and forth.( like a sine wave)

          the next is two parallel lines but one line is solid and the other is a dotted line..

          the curvy picture selection is AC. the dotted/solid parallel lines is DC


          AC has to be 60~70 or more whe you rev the engine 3K or 5K rpms.

          28 acv on 1 leg or all legs won't do it
          SUZUKI , There is no substitute

          Comment


            #6
            I think your price of $90 for a new one is very good. Probably the only cheaper way is a rewound unit. I think there's a guy on ebay who sells them for something like $75 or so. You could rewind it yourself, there is a thread somewhere here that show's how to do it. Ray
            "Nobody goes there anymore, it's too crowded" -Yogi Berra
            GS Valve Shim Club http://www.thegsresources.com/_forum...d.php?t=122394
            1978 GS1000EC Back home with DJ
            1979 GS1000SN The new hope
            1986 VFR700F2 Recycled

            Comment


              #7
              Hi,

              Originally posted by IanDMacDonald View Post
              I probably need a new Stator though. Ebay has them new for $90. http://cgi.ebay.com/ebaymotors/NEW-S...item4cf9e74aa3. Does anybody know of anyone that has them cheaper?
              That looks like a Rick's Electrics stator. In my opinion they are the best of the aftermarket stator parts when compared to Electrosport, RM Stator, etc. Rick's usually cost $120-$140.

              As you can see, the stator pictured above has the stator cover grommet, bullet connectors, and a nice braided sleeve (not cheap rubber like the others).

              I hope the stator pictured is the one you receive. Clean all of your electrical connections and grounds to ensure your new stator lasts. Corrosion in the connections, especially in the charging system/fuse box/battery/grounds, will cause extra resistance and heat. This will make your stator run too hot, melt the windings, and turn the AC-producing windings into a hunk solid copper that does nothing.

              When testing your charging system, the passive tests will tell you if you have a bad part. But the passive tests will not conclusively tell you if you have a good part. The active tests under load really tell the tale. You might want to try and pick up a cheap Honda r/r unit (compatible list on my website) just in case you need it.


              Thank you for your indulgence,

              BassCliff
              Last edited by Guest; 09-19-2011, 02:39 PM.

              Comment


                #8
                Got my stator for $90 on eBay.
                Great quality, works great.....everything was nice and tight and clean.
                (very surprised for the price)

                ------

                Just so you know....I think it's possible to Pass most of the Stator Tests and STILL have a bad stator....same thing can go for the R/R.

                What DC Volts are you getting with the bike running at Idle?
                (or did I miss that?)

                Comment


                  #9
                  Originally posted by Ghostgs1 View Post
                  I think your price of $90 for a new one is very good. Probably the only cheaper way is a rewound unit. I think there's a guy on ebay who sells them for something like $75 or so. You could rewind it yourself, there is a thread somewhere here that show's how to do it. Ray
                  Well, you could go real cheap ( and adventurous) and buy a used one off ebay- I got 3 (two suzukis and one kawasaki)- each under $20 shipped. All check out ohm wise, but as Basscliff said, you never know till you expose them to the real world.
                  1981 gs650L

                  "We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin

                  Comment


                    #10
                    Help me Choose!

                    Going between these two Stators, help me choose one over the other!

                    The first: http://cgi.ebay.com/ebaymotors/Stato...item4155cc3fef

                    The second: http://cgi.ebay.com/ebaymotors/Stato...item43a93f5c72

                    Thanks fellas.

                    Comment


                      #11
                      Hi,

                      Originally posted by IanDMacDonald View Post
                      Going between these two Stators, help me choose one over the other!

                      The first: http://cgi.ebay.com/ebaymotors/Stato...item4155cc3fef

                      The second: http://cgi.ebay.com/ebaymotors/Stato...item43a93f5c72

                      Thanks fellas.
                      Going by the picture they look like exactly the same unit. I've read about a few members who have bought from Caltric but I don't know anything about the other seller.


                      Thank you for your indulgence,

                      BassCliff

                      Comment


                        #12
                        Originally posted by IanDMacDonald View Post
                        .
                        ..
                        ... The only thing I have noticed over the past day different with the bike is the tractor solenoid I installed became disconnected from it's mounting post. Not sure if that would kill the stator or R/R. ....
                        .....

                        Should not kill anything, as far as damageing anything.
                        But that solenoid mouninitng bolt is also where the R/R is usllay grounded, and if the R/R is not grounded the charging system is not going to function (even if all the devices are good).

                        {maybe I should read the other postings.}


                        .
                        http://webpages.charter.net/ddvrnr/GS850_1100_Emblems.jpg
                        Had 850G for 14 years. Now have GK since 2005.
                        GK at IndyMotoGP Suzuki Display... ... GK on GSResources Page ... ... Euro Trash Ego Machine .. ..3 mo'cykls.... update 2 mocykl


                        https://imgur.com/YTMtgq4

                        Comment


                          #13
                          Originally posted by Redman View Post
                          . . . But that solenoid mouninitng bolt is also where the R/R is usllay grounded, and if the R/R is not grounded the charging system is not going to function (even if all the devices are good).

                          {maybe I should read the other postings.}


                          .
                          Exactly my thoughts till I traced the ground wire from the r/r and found it properly grounded elsewhere. So, the battery is on the charger now. I will do an early morning stator voltage test once again, to check the stator legs. If they do not check out to 60+ volts (AC), I'll buy the Stator off ebay first thing in the morning. My only fear is that the r/r is possibly bad too! I did the continuity checks on that, and found them all in par with the Stator papers. So, I'll cross my fingers that it's my stator that is not charging my battery properly,

                          Comment


                            #14
                            Originally posted by IanDMacDonald View Post
                            Exactly my thoughts till I traced the ground wire from the r/r and found it properly grounded elsewhere. ...
                            ...ly,
                            THe grounding of the R/R is a valid concern. Best way to check is to have bike running at mid rpm, and measure vlotage from that point where the R/R is grounded and the battery negitive. SHould be about zero point zero volts DC (but 0.2 is fairly good). If there was a problem the voltage reading would be a couple or several volts (and your battery voltage would be low by that same amount). THis is one of the test in the stator papers, is similar test for the positive connections.

                            Reasont the R/R gounding is somethings a problem is that R/R ground wire is mounted to the battery box, but sometimes the battery box itself is not well grounded to the bike frame. THer is a ground wire from wiring harness, but sometimes that gets damaged. All this is why manyh folks recommend running your own ground wire from R/R ground to battery negitive.

                            .
                            http://webpages.charter.net/ddvrnr/GS850_1100_Emblems.jpg
                            Had 850G for 14 years. Now have GK since 2005.
                            GK at IndyMotoGP Suzuki Display... ... GK on GSResources Page ... ... Euro Trash Ego Machine .. ..3 mo'cykls.... update 2 mocykl


                            https://imgur.com/YTMtgq4

                            Comment


                              #15
                              Update!

                              Just tested the stator on AC voltage, and 65+ from each leg, all the way upto 90v during revs, each the same voltage. Gonna go ask a buddy if he's got an old Honda Rectifier he wants to come off.

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