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Author Topic: XS400 Voltage Regulator/Rectifier  (Read 4602 times)

Offline honda53rider

  • Posts: 251
  • 77 XS400,73 SL350, 73 RD350
XS400 Voltage Regulator/Rectifier
« on: Jul 17, 2012, 16:01:59 »
Hey guys I took the bike out the other day and all my power died. After a push back to the house and checking the fuses it turned out to be 2 burnt fuses. So I replaced them and tried again, same thing happened it blew the fuses. So im thinking its the voltage regulator/rectifier. But i don't know witch is witch.

its ether this



or this part



Can anyone tell me witch is witch and kind of what they do?
Also i was looking at this part because i would rather replace old parts with new parts not used parts...

Anyone know of this part will work on my bike?https://grimcyclesalvage.com/catalog/images/p/1014/101403_01_md.jpg
Why I wear a full faced helmet. 1. They are safer 2. Keeps the bugs out of my teeth 3. Hides my dorky smile I have because my old bike is actually on the road!

Offline jdub

  • Posts: 272
Re: XS400 Voltage Regulator/Rectifier
« Reply #1 on: Jul 17, 2012, 16:13:59 »
Top one is the rectifier, bottom is the regulator. The rectifier is converting the A/C of your alternator into D/C power. The regulator keeps the voltage steady.

Offline Rusnak_322

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Re: XS400 Voltage Regulator/Rectifier
« Reply #2 on: Jul 17, 2012, 16:35:01 »
I just spent two weeks farting with electrical problems and bought a combined rec/reg unit from Oregon that fixed it.
the old parts bench tested fine. Well worth the $80.

http://www.oregonmotorcycleparts.com/

they have a FAQ to walk you through testing. MikesXS also has a Solid State Rectifier/Regulator.
http://www.mikesxs.net/product/24-2087.html


Offline jdub

  • Posts: 272
Re: XS400 Voltage Regulator/Rectifier
« Reply #3 on: Jul 17, 2012, 17:04:37 »
I just bought one from them for my CB500.

Offline richsuz

  • Posts: 18
Re: XS400 Voltage Regulator/Rectifier
« Reply #4 on: Jul 17, 2012, 17:50:19 »
I did this for abut $20 total.  $7 for the bridge rectifiers and $12 for the car regulator.  Bike now charges @14V from 1300 rpm on.
http://xs650temp.proboards.com/index.cgi?board=Charging&action=print&thread=3473

Offline honda53rider

  • Posts: 251
  • 77 XS400,73 SL350, 73 RD350
Re: XS400 Voltage Regulator/Rectifier
« Reply #5 on: Jul 18, 2012, 02:33:01 »
Sweet thanks guys! never thought about the motor producing AC and having to convert it. Well I will look around and see what kind of options i have.
Why I wear a full faced helmet. 1. They are safer 2. Keeps the bugs out of my teeth 3. Hides my dorky smile I have because my old bike is actually on the road!

Offline honda53rider

  • Posts: 251
  • 77 XS400,73 SL350, 73 RD350
Re: XS400 Voltage Regulator/Rectifier
« Reply #6 on: Jul 18, 2012, 23:02:37 »
Does anyone know if this will work on my bike? I read somewhere that i need a 3 phase don't know why or what it means... But this one said that it will work for 4-Cycle Twin bikes witch is mine.
http://www.ebay.com/itm/UNIVERSAL-REGULATOR-RECTIFIER-HONDA-FOUR-KAWASAKI-FOUR-SUZUKI-2-CYCLE-/221031624220?pt=Motorcycles_Parts_Accessories&hash=item337682ee1c&vxp=mtr#ht_500wt_922
Sry guys but im clue less on what im doing here... is there a wire diagram out there that im missing?
Why I wear a full faced helmet. 1. They are safer 2. Keeps the bugs out of my teeth 3. Hides my dorky smile I have because my old bike is actually on the road!

Offline honda53rider

  • Posts: 251
  • 77 XS400,73 SL350, 73 RD350
Re: XS400 Voltage Regulator/Rectifier
« Reply #7 on: Jul 23, 2012, 19:41:56 »
well the Regulator/Rectifier came in today and came with no wire diagram... so a little time on the internet and here is what iv found.



The main thing is what is the field or the green wire?
And do the 2 orange wires go to the coils?

Any help would be grate!
Why I wear a full faced helmet. 1. They are safer 2. Keeps the bugs out of my teeth 3. Hides my dorky smile I have because my old bike is actually on the road!

Offline Rusnak_322

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Re: XS400 Voltage Regulator/Rectifier
« Reply #8 on: Jul 23, 2012, 21:42:49 »
That was the nice thing about the one I got (but paid more for). It came with the correct plug, all I had to do was mount it and plug it in. Even came with stainless hardware and a instruction sheet that I never looked at.

Btw - my plug only had 4 wires so I can't help you there. Isn't green normally ground?

Offline honda53rider

  • Posts: 251
  • 77 XS400,73 SL350, 73 RD350
Re: XS400 Voltage Regulator/Rectifier
« Reply #9 on: Jul 23, 2012, 23:48:16 »
Well after spending some time on the xs400 site i found that black was ground. I think i got it all wired right, i started the bike up and it ran off the way i had it wired so something was right but i was having more carb issues and could never get it running long enough to get a voltage reading to see if it was charging.

Got to love old bikes!
Why I wear a full faced helmet. 1. They are safer 2. Keeps the bugs out of my teeth 3. Hides my dorky smile I have because my old bike is actually on the road!