Author Topic: alternative reg/rec  (Read 6166 times)

Offline flc

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alternative reg/rec
« on: February 10, 2011, 01:08:18 PM »
As i am working my way through my carb woes, i spotted that a phase wire had fell off the rectifier again. there is not enough to solder too.
is there a combined (more modern) unit that would be suitable i was told cb 900 ones will work.
i came across this
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=220733237047&fromMakeTrack=true&ssPageName=VIP:watchlink:top:en
would it be suitable?
any help much appreciated.
Flc.
Current bikes:
76 cb 550 import
gpz 1100 chop
z9 chop
sr 125 yam

Offline totty

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Re: alternative reg/rec
« Reply #1 on: February 10, 2011, 01:19:48 PM »
I don't know about the combined unit but I've got a rectifier that was listed on ebay for DIY wind turbines. I can't guarantee that it will work though as I never got around to testing it, from memory I think it's the same as item 250728271145 but it cost less.

Offline SteveD CB500K0

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Re: alternative reg/rec
« Reply #2 on: February 10, 2011, 01:23:44 PM »
This is a bit of a marathon, but you might pick up some tips as to what would work from here:

http://forums.sohc4.net/index.php?topic=12465.0
2022 Tiger Sport 660
1971 CB500K0

Offline Bryanj

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Re: alternative reg/rec
« Reply #3 on: February 10, 2011, 06:05:24 PM »
Don't know for sure but dont think so, you need a combined unit from a bike that had a "fed" rotor (usualy via brushes) like the 750/900 DOHC or the CB 650. I do have the diagram to convert somewhere.

It MIGHT be possible to use some of the other ones that "Shunt" excess charge to earth, usually via a zener, BUT that means the field coil will be subject to full power all the time which it was never designed to be so failure MIGHT occur

Offline flc

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Re: alternative reg/rec
« Reply #4 on: February 13, 2011, 03:23:43 PM »
Im bidding on a 750 dohc one at the moment. i will post my results if i win it.
im starting to enjoy this bike now she runs properly.
Current bikes:
76 cb 550 import
gpz 1100 chop
z9 chop
sr 125 yam

Offline Yoshi823

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Re: alternative reg/rec
« Reply #5 on: February 16, 2011, 10:16:27 PM »
Try these people...http://www.electrexworld.co.uk/rr24-regulator-rectifier-604-0.html

I also have a genuine Honda rectifier part, brand new /never been used, but with the price of the part from Electrex being much cheaper than my part, there's no competition.

I can test mechanical regulators for people as I have the required equipment.
« Last Edit: February 16, 2011, 10:19:50 PM by Yoshi823 »
Bikes...they're in the blood.
Yamaha R1 2001
Yamaha FZR1000R EXUP 1990
KTM 450 EXC RFS 2004
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Honda CB125T2 1980
Yamaha FJ1200 3XW 1991

Offline flc

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Re: alternative reg/rec
« Reply #6 on: February 22, 2011, 01:46:32 AM »
hi folks i won the 750 combined reg/rec..
now how should i wire it???
there is two plugs.
plug 1) 5 wires, 3 yellow (phase wires) a white and a black
plug 2) 3 wires, red with white tracer, a green and a black
im not sure and dont want to blow it up.
any help much welcome.
Current bikes:
76 cb 550 import
gpz 1100 chop
z9 chop
sr 125 yam

Offline Bryanj

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Re: alternative reg/rec
« Reply #7 on: February 22, 2011, 07:05:12 AM »
Sent you an email with attachment in case the one below dont work
« Last Edit: February 22, 2011, 07:09:55 AM by Bryanj »

Offline SteveD CB500K0

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Re: alternative reg/rec
« Reply #8 on: February 22, 2011, 08:09:42 AM »
There's a bit missing Bryan but it's understandable. Where did it come from?

Flc: I have a DOHC Manual if you want any wiring diagrams.
2022 Tiger Sport 660
1971 CB500K0

Offline flc

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Re: alternative reg/rec
« Reply #9 on: February 22, 2011, 09:58:33 AM »
Wow, thanks for the quick responses folks, i will give it a try when i get a minute,
Thanks too steveD i will let you know.
Current bikes:
76 cb 550 import
gpz 1100 chop
z9 chop
sr 125 yam

Offline flc

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Re: alternative reg/rec
« Reply #10 on: February 23, 2011, 02:06:09 AM »
I just fitted the reg/rec,
 on the atachment bryanj kindly posted to me, the bit thats missing had me stumped.
I first thought the green was earth on trying the bike i got 15v at tickover rising to near on 20v (not sensing voltage??).
so i wired it to the existing green from the old regulator, and now it rises from high 12's at tick over to 15v at 3000rpm and never gets any higher. And a lovely bright headlight.
I must admit i was rushing when i fitted it earlier as i was due to start work (ended up using the car!!)
Looking forward to trying it tomorrow 
more later Flc.
Current bikes:
76 cb 550 import
gpz 1100 chop
z9 chop
sr 125 yam

Offline Bryanj

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Re: alternative reg/rec
« Reply #11 on: February 23, 2011, 06:33:19 AM »
Cant remember where i got that one, somewhere on the US site i think. I had a hand drawn one from the chopper boys over there but i cant find it on me 'ard drive so went with that one quickly and didnt even notice a bit missing.

Glad it helped tho' Cheers all

Offline Paull

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Re: alternative reg/rec
« Reply #12 on: February 23, 2011, 11:36:08 PM »
Just got a boyer powerbox for the old girl reg/rec in one unit, brand new about 65 quid.
I got a whole new ignition system for
S**t Happens

Offline captaindonutbikes

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Re: alternative reg/rec
« Reply #13 on: February 23, 2011, 11:45:19 PM »
those combined regulator/rectifiers from electrex are the dogs danglys. sorted my ignition right out.

cb550k3 cafe

Offline flc

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Re: alternative reg/rec
« Reply #14 on: February 24, 2011, 01:55:18 AM »
Cant remember where i got that one, somewhere on the US site i think. I had a hand drawn one from the chopper boys over there but i cant find it on me 'ard drive so went with that one quickly and didnt even notice a bit missing.

Glad it helped tho' Cheers all
Yes thanks it sure did, i was stumped.
Ive been on a 30 mile round trip in sheeting rain this morning, and its run brilliantly all my troubles seem to be over,
 just got in from work (i work 4pm to midnight) its lovely, nice bright headlamp clean rev's. A joy to ride.
the combined unit from a cb750 dohc cost
Current bikes:
76 cb 550 import
gpz 1100 chop
z9 chop
sr 125 yam

 

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