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K100-forum.com » Technical, repair and troubleshooting » Electrical » K1100 Alternator issues?

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1Back to top Go down   K1100 Alternator issues? Empty K1100 Alternator issues? Sun 21 Aug 2016, 17:08

bikernut

bikernut
active member
active member
My bike does not seem to be charging while running and so after 15 mins riding the battery need recharging? I charged it and tested it it was reading 12.6v then dropped down to 12.2v while running and if I rev it the voltage slowly drops? Alternator has sticker with 14v stamped on the side but test that seperately while running and only producing 12v exactly, is it stuffed?? Any ideas? Thanks. Smile

    

2Back to top Go down   K1100 Alternator issues? Empty Re: K1100 Alternator issues? Sun 21 Aug 2016, 17:39

charlie99

charlie99
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not charging at all

more likely the regulator on the back of the alternator brushes have had it ...lost length

you should be able to get a new regulator for not many dollars ....question though did the battery light glow whilst running ? 
could also be a blown globe >?


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
1987 k100rs ########   "Red"  - (red sports rs TWB style )
1989 K100rt #009637   "Black Betty"  (naked rt ala Nigel , now sporting an rs main fairing )
    

3Back to top Go down   K1100 Alternator issues? Empty Re: K1100 Alternator issues? Sun 21 Aug 2016, 18:25

bikernut

bikernut
active member
active member
charlie99 wrote:not charging at all

more likely the regulator on the back of the alternator brushes have had it ...lost length

you should be able to get a new regulator for not many dollars ....question though did the battery light glow whilst running ? 
could also be a blown globe 
The battery light flashes while running. It does not flash after fully charged with battery charger but loses charge while running.

    

4Back to top Go down   K1100 Alternator issues? Empty Re: K1100 Alternator issues? Sun 21 Aug 2016, 18:59

klompy the grey brick

klompy the grey brick
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probs be some cheaper than this....but could be worse....note K100 and K1100 use the same.

http://www.ebay.com.au/itm/121530082019?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

K1100 Alternator issues? Reg10


__________________________________________________
KKlompy K1100 Alternator issues? 2854237993
"Grace" 1984 K100RS Silver VIN 0019026 Mitt eine Staintune Zorst.
"Olivia" 1997 K1100LT Dark Grey VIN WB1052600W0237453.









Chassis number0019026
Vehicle code0503
SeriesK589
ModelK 100 RS 83 (0502 ( 0503 )
Body typeK 100 RS 83 (0502
Catalog modelECE
Production date1984 / 07
Engine0513)

K1100 Alternator issues? Au-log10


    

5Back to top Go down   K1100 Alternator issues? Empty Re: K1100 Alternator issues? Sun 21 Aug 2016, 19:04

bikernut

bikernut
active member
active member
klompy the grey brick wrote:probs be some cheaper than this....but could be worse....note K100 and K1100 use the same.

http://www.ebay.com.au/itm/121530082019?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
Any way to test the one I have or does it sound like that is the problem? Thanks.

K1100 Alternator issues? Reg10

    

6Back to top Go down   K1100 Alternator issues? Empty Re: K1100 Alternator issues? Sun 21 Aug 2016, 19:37

charlie99

charlie99
VIP
VIP
you would have to remove it to test the brush length and connections ....note there is a contact spring metal loaded that is the main contact for the field windings ...if this is corroded .dirty ...you may get no charge happening also ...

in any case remove the regulator and check all the terminations before proceeding ...but my best guess from experience is that one of the brushes will be too short to work properly ....seen many times by many of us here on the forum


try using the search feature .....you will find many examples of regulator issues and replacement procedures


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
1987 k100rs ########   "Red"  - (red sports rs TWB style )
1989 K100rt #009637   "Black Betty"  (naked rt ala Nigel , now sporting an rs main fairing )
    

7Back to top Go down   K1100 Alternator issues? Empty Re: K1100 Alternator issues? Sun 21 Aug 2016, 23:06

Holister

Holister
Life time member
Life time member
This regulator available from EME Add postage to AU.
Voltage regulator from Motorworks part No ELA59286. Postage to AU will be cheaper than EME.
Motorworks delivery to AU will be inside a week


__________________________________________________

1989 K100RT     VIN  0097367 (naked)  
1996 K1100RS   VIN  0451808		 K1100 Alternator issues? Austra12    Fuel:  95 Octane
Engine Oil: Nulon Full Synthetic 15W50
Gear Box Oil:  Nulon Synthetic 75W90
    

8Back to top Go down   K1100 Alternator issues? Empty Re: K1100 Alternator issues? Mon 22 Aug 2016, 00:12

Rick G

Rick G
admin
admin
The K1100 changed to a 50A alternator with the 1994 model and the regulator is different from the K100 32A alternator


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1999 K1100 LT with a Big Block 1200
    

9Back to top Go down   K1100 Alternator issues? Empty Re: K1100 Alternator issues? Mon 22 Aug 2016, 00:54

Inge K.

Inge K.
VIP
VIP
RicK G wrote:The K1100 changed to a 50A alternator with the 1994 model

On the K1100LT the alternator was changed from 32A to 50A on the -93 year model.
The K1100RS did have the 50A from the very beginning (-93)....production start early -92.

And yes....the 32A and the 50A using different regulators.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

10Back to top Go down   K1100 Alternator issues? Empty Re: K1100 Alternator issues? Mon 22 Aug 2016, 01:42

Holister

Holister
Life time member
Life time member
In which case Bikernut's '95 K1100RS will need this voltage regulator from Motorworks part no. ELA39365


__________________________________________________

1989 K100RT     VIN  0097367 (naked)  
1996 K1100RS   VIN  0451808		 K1100 Alternator issues? Austra12    Fuel:  95 Octane
Engine Oil: Nulon Full Synthetic 15W50
Gear Box Oil:  Nulon Synthetic 75W90
    

11Back to top Go down   K1100 Alternator issues? Empty Re: K1100 Alternator issues? Mon 22 Aug 2016, 13:41

Rick G

Rick G
admin
admin
Inge K. wrote:
RicK G wrote:The K1100 changed to a 50A alternator with the 1994 model

On the K1100LT the alternator was changed from 32A to 50A on the -93 year model.
The K1100RS did have the 50A from the very beginning (-93)....production start early -92.

And yes....the 32A and the 50A using different regulators.
I was going on my 01/1993 model which had a 32A.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1999 K1100 LT with a Big Block 1200
    

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