Bike won't Charge even w/ stator + r/r

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  • GabrielGoes
    Forum Mentor
    • Jun 2010
    • 925
    • New York

    #1

    Bike won't Charge even w/ stator + r/r

    Hello all... as the title states the bike won't go over 12v charging at any RPM. Is this even possible? I mean what the heck. I've tried multiple known good batteries and one brand new battery. This is beyond me. Stator wires are hooked up directly to r/r and rr has black to ground and red to +. it's a shendegen mosfet rr. I even swapped with another brand new rr. I'm stumped guys has anyone ever heard of such a thing? 1976 CB360T is the bike
    John 3:16
  • Steve
    GS Whisperer
    • Jun 2005
    • 35925
    • southwest oHIo

    #2
    I don't know anything about the charging system on a CB360, but it is in the same era as the early GSes. The early GSes had 12-pole stators. Later GSes had 18-pole stators. If you bought a newer stator and installed it in your older bike, it will NOT charge. The number of poles on the stator HAS to match the number of magnets on the rotor. Yours could possibly be the same thing?

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    • tkent02
      Forum LongTimer
      Past Site Supporter
      • Jan 2006
      • 35571
      • Near South Park

      #3
      What does your multimeter show? Hard to guess without that little tidbit of information.
      http://img.photobucket.com/albums/v5...tatesMap-1.jpg

      Life is too short to ride an L.

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      • posplayr
        Forum LongTimer
        GSResource Superstar
        Past Site Supporter
        • Dec 2007
        • 23673
        • Tucson Az

        #4
        Originally posted by tkent02
        What does your multimeter show? Hard to guess without that little tidbit of information.
        just a Quick Test.

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        • rustybronco
          Forum LongTimer
          Bard Award Winner
          GSResource Superstar
          Past Site Supporter
          • Jul 2005
          • 14961
          • Marysville, Michigan

          #5

          Pg. 155

          Looks like your alternator is single phase.
          De-stinking Penelope http://thegsresources.com/_forum/sho...d.php?t=179245

          http://www.thegsresources.com/_forum...35#post1625535

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          • bwringer
            Forum LongTimer
            Bard Award Winner
            GSResource Superstar
            Past Site Supporter
            Super Site Supporter
            • Oct 2003
            • 17066
            • Indianapolis

            #6
            IIRC, the most common charging problem on ye olde Honders is the rectifier.

            Be aware that the charging system is NOTHING (well, not much) like that on a GS, so you may be barking up some totally different trees.

            I have no idea what one should expect from hooking up a MOSFET R/R.
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            Comment

            • posplayr
              Forum LongTimer
              GSResource Superstar
              Past Site Supporter
              • Dec 2007
              • 23673
              • Tucson Az

              #7
              Originally posted by bwringer
              IIRC, the most common charging problem on ye olde Honders is the rectifier.

              Be aware that the charging system is NOTHING (well, not much) like that on a GS, so you may be barking up some totally different trees.

              I have no idea what one should expect from hooking up a MOSFET R/R.
              If the alternator is PM single phase then ant 5 wire regulator will work you just end up with a spare stator wire. If it is a field controlled unit then, best to find a different regulator.

              Comment

              • GabrielGoes
                Forum Mentor
                • Jun 2010
                • 925
                • New York

                #8
                Originally posted by tkent02
                What does your multimeter show? Hard to guess without that little tidbit of information.
                Bike with key on sits at 11.3, idling at 11.5, and at 5k rpm and up she reads 12.5 So the bike is charging but VERY WEAK. Thanks guys for input i read all posts. I have a brand new OEM Stator put in, with a new r/r. Each stator leg read around 13v even when revved up. Seemed very low so the last hope i have is that the magnetic rotor is weak i have a known good one coming in the mail soon. I will definitely keep you guys posted as this one has been killing me for weeks, most of the time i just been messing with the wiring.
                John 3:16

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