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GS1100EX Regulator/Rectifier

  • Thread starter Thread starter Sparkie
  • Start date Start date
S

Sparkie

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Hello, I'm from Spain, I would like to know if somebody could help me telling me where can I buy a good regulator/rectifier for my GS1100EX. I bought one from China (Ebay), reallly cheap, but only works for 1 month more or less :p.

I don't want the most expensive, but yes one with quality.

Regards,
Juanmi
 
Thanks for your quick reply Nessism.

I've never seen this R/R, and I'm not sure if i will know to mount it in my motorbike... Is there a tutorial?

Anyway, other option for a R/R which include the wires already conected? Just a "plug a play", even if it's something more expensive :/
 
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Thank for scheme Nessism.
I asked the seller (your link to ebay) if he shipped to Spain and he said no :(
 
Are these the three leads which goes directly to the stator? Have I to connect here the SH775A leads?
 

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Thank you for your reply Big T
Last week finally arrive the Triumph Wire (From a Germany Seller) and the Sh775AA (From a U.S.A seller)
Now, looking for a spare of time for begin to change the regulator.
 

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Hello Again, This week I'm going to try to install the SH775AA. Could anybody tell me which it's the best place for install it? The bike it's Suzuki GS1100 EX (also ET).
SH775AA it's bigger than the original one, and doesn't fit in the same place than the older one. :(

I would also appreciate one picture if it could be.

Regards
Juanmi
 
I have not installed one on an 1100E, so I don't know where there is available space. Feel free to explore alternate areas. On my 850G and 1000G, it was mounted under the battery box, but my battery box and air filter are considerably different than yours. Do you have room between air filter and rear fender?

.
 
Where ever you find a good spot. Nothing says you can’t redo the wiring in the process so that it fits in properly
 
Thanks for yours answers. I've been exploring the motorbike and the only place I found it's down the saddle at the end of the rear fender.
There is a small gap between the saddle and the fender (I hope it is enough to cool the regulator).

This afternoon I installed the sh775aa and started the motorcycle (in the photo the alternator and the cables are still not properly secured, before screwing it well and fixing the cables, I wanted to try if it works)

The result: With all the lights off, the motorbike get 15,05 at 5000rpm, but not at the moment when I start the bike, I have to wait about 2-3 minutes and go to the 5000rpm for get the 15.05v

But when I Turn On the front Light, the motorbike don't arrive more than 12,5v It's normal? Maybe the alternator it's not in good shape? (Sorry for my poor English)

IMG_20190805_191524[1].jpg
 
Hello again :)

I know we are in August, probably most people are on vacation and with the heat it is, the last thing people wants is to respond to a newbie. I'm looking for in other threads about how many volts has to indicate the voltimeter with lights on.
I've been reading this thread: https://www.thegsresources.com/_forum/showthread.php?164993-Charging-System-QUICK-TEST/page9

But not say nothing about lights on. That's why I'm asking if it's normal 12,5V with lights on, in any rpm. (from 1500rpm till 5000 rpm).

I need to close this electrical problem, because I have other problem with carburators and I will open other thread in its corresponding section :)

Sorry for insisting

Regards
 
Hello again :)

I know we are in August, probably most people are on vacation and with the heat it is, the last thing people wants is to respond to a newbie. I'm looking for in other threads about how many volts has to indicate the voltimeter with lights on.
I've been reading this thread: https://www.thegsresources.com/_forum/showthread.php?164993-Charging-System-QUICK-TEST/page9

But not say nothing about lights on. That's why I'm asking if it's normal 12,5V with lights on, in any rpm. (from 1500rpm till 5000 rpm).

I need to close this electrical problem, because I have other problem with carburators and I will open other thread in its corresponding section :)

Sorry for insisting

Regards

12.5 VDC is not good. Even with the headlamp on the system should put out at least 14 VDC at 5000 rpm. Further, there should not be 15 VDC at any time, lights on or otherwise. Did you wire the system properly per the diagram I posted earlier? Bypass the factory wiring?
 
Hello Nessim,

I think yes. The 3 wires without polarity goes directed to the stator wires. The black one goes directed to the negative terminal in battery. The only wire that I have connected in the same place that the older rectifier it's the brown ( positive in sh775AA). I have connected this in the same wire where it was connected the original rectifier (the red one)

Later I will post some pictures.

Regards
 
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I just open the front light / Headlight, and the bulb it's 12v100/90W ... instead 12v55/60W
Could this be the reason so the motorcycle don't charge more than 12'5v when the front light it's On?
 
I just open the front light / Headlight, and the bulb it's 12v100/90W ... instead 12v55/60W
Could this be the reason so the motorcycle don't charge more than 12'5v when the front light it's On?

It could account for the 12.5 at idle but not at 5000.
You may have bad contacts at other points in the system. The fusebox, the headlight connector plug, handlebar switches etc.
IMHO that bulb is too big and is likely to develop quite a lot of unwanted heat in there.... if it hasn't already.
 
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Hello again, I'm sorry for disappearing so long, but I could not continue checking my electric problem because I had a serious problem with carburetor. I had to buy a second hand carburetor and rebuild it. Thank you very much for the fantastic Ed Ness tutorial: https://thexscafedotcom.files.wordpress.com/2014/06/mikuni_bs-cv_carburetor_rebuild_tutorial.pdf

Now in my short free time I keep trying to solve this electric problem.

Like Nessim tell me, I bought one SH775 R/R and it's installed, but the result it's the same. The Bike charge the battery with lights off. But with lights on, or even I tried with frontal light off and with the rear brake light on, the regulator neither go more than 12.5V in any rpm. Only charge with all lights off.

This morning I begin to check de stator.

According to Clymer Suzuki book gs1100 fours, for check the good shape of the stator I have to connect an AC voltemeter between the three stator leads.

White/Blue and Yellow
White/Blue and White/Green
White/Green and Yellow

The result have to be 80 volts AC or more at 5000 rpm in each connection. Well... this it's my result:

With the motorbike just started I get just 80 volts AC in two of the connections and in other near 80 (between 75-79)
But when the bike begin to warm (about 10 minutes with the motor running), any of the three connections arrive more than 74-75 volts AC at 5000 rpm.

Could be the stator my problem with the system charge?
Could be that the stator doesn't has the enought strong for charge the battery when begin to warm and the lights are on?
My bike's stator it's the original one, it have near 40 years......

Sorry for this brick text :p

I wait your answers, and of course, Merry Christmas and a Happy new year.

Regards,
Juanmi
 
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