Author Topic: Replacement Regulator/Rectifier CHEAP (Read 192893 times)

scottly · « **Reply #375 on:** August 24, 2012, 08:54:24 AM »

Look at reply #298, on page 12 of this thread. Basically, you need to connect one end of the field coil to ground, and the other to the F terminal on the reg. It shouldn't make any difference which end goes where.

waynecomp · « **Reply #376 on:** August 24, 2012, 04:18:07 PM »

OK! THIS SET UP WORKED!

I cut the wires off of a stock R/R. And with the help of this thread, came up with this.
All the color codes on the R/R wires matched the 82 cb650 wiring diagram I used from "Dave's Ultimate Guide"

I hope this helps someone as much as others helped me.

scottly · « **Reply #377 on:** August 24, 2012, 04:25:30 PM »

Thanks! That's an excellent guide for anyone with a 650, or DOHC 750, for that matter.

curemode2002 · « **Reply #378 on:** August 27, 2012, 08:15:57 AM »

Okay this is a total noob question but I have not been subscribed to this thread that long.
Waynecomp what are the part numbers for the regulator and rectifier in your way awesome setup pic?

waynecomp · « **Reply #379 on:** August 27, 2012, 09:32:10 AM »

Quote from: curemode2002 on August 27, 2012, 08:15:57 AM

Okay this is a total noob question but I have not been subscribed to this thread that long.
Waynecomp what are the part numbers for the regulator and rectifier in your way awesome setup pic?
[/quodte]

The rectifier is ebay item 180947391161
The regulator is from ebay also, but look around on this thead for suggestions because I wish the one I have was smaller, and when it needs replaced I'm going with something different. Mabey the "plug and play" porshe one they talk about on the previous page.

waynecomp · « **Reply #380 on:** September 01, 2012, 09:59:01 PM »

Here it is in the bike

waynecomp · « **Reply #381 on:** September 01, 2012, 10:02:37 PM »

12.45V at idle (1100rpm+-) and @ 5000rpm...

skamagedon · « **Reply #382 on:** September 02, 2012, 05:38:40 PM »

smaller, 3 terminal solid state regulator http://www.autopartswarehouse.com/sku/Hella/Voltage_Regulator/W0133-1626391.html

CycleRanger · « **Reply #383 on:** September 02, 2012, 09:44:56 PM »

Quote from: skamagedon on September 02, 2012, 05:38:40 PM

smaller, 3 terminal solid state regulator http://www.autopartswarehouse.com/sku/Hella/Voltage_Regulator/W0133-1626391.html

That looks nice!

aperry · « **Reply #384 on:** October 01, 2012, 07:15:37 AM »

Quick question for the experts here:

I followed this thread, added a Ford regulator with an eBay rectifier and so far everything has been going great. I have about 600 miles on the bike since getting it on the road a few months ago and haven't needed to touch a battery charger. Recently I mounted a little LED charge indicator on my bike just as a safeguard to ensure I'm getting >13v when I should be. For the most part it's been working well, with a "green" LED above 3,000 RPMs, showing that I am above 13.2V. Here's a thread I posted about that: http://forums.sohc4.net/index.php?topic=113261.0

I've noticed that at times when I'm at least 10 minutes into my ride, the indicator shows that my charge dips below 13.2V for a short time (less than a minute), and then it switches back to green (which means above 13.2v). This happens sometimes at 80MPH on the highway while I'm constantly well above 3k RPM.

So here's my question: is this expected? Should the battery voltage fluctuate like this during a ride? Does the charging system work in cycles when the battery is fully charged? Is there some other reason why the voltage would dip down temporarily?

Thanks!
Aaron

aperry · « **Reply #385 on:** October 01, 2012, 03:56:12 PM »

Quote from: aperry on October 01, 2012, 07:15:37 AM

Quick question for the experts here:

I followed this thread, added a Ford regulator with an eBay rectifier and so far everything has been going great. I have about 600 miles on the bike since getting it on the road a few months ago and haven't needed to touch a battery charger. Recently I mounted a little LED charge indicator on my bike just as a safeguard to ensure I'm getting >13v when I should be. For the most part it's been working well, with a "green" LED above 3,000 RPMs, showing that I am above 13.2V. Here's a thread I posted about that: http://forums.sohc4.net/index.php?topic=113261.0

I've noticed that at times when I'm at least 10 minutes into my ride, the indicator shows that my charge dips below 13.2V for a short time (less than a minute), and then it switches back to green (which means above 13.2v). This happens sometimes at 80MPH on the highway while I'm constantly well above 3k RPM.

So here's my question: is this expected? Should the battery voltage fluctuate like this during a ride? Does the charging system work in cycles when the battery is fully charged? Is there some other reason why the voltage would dip down temporarily?

Thanks!
Aaron

Hmmm....it didn't happen at all on my 30 mile ride home just now. I think the bike has been wet (rained on) when it's happened recently. Maybe I have an exposed connection somewhere. The bike was dry on my way home today, and the indicator was green all the time while the bike had any kind of above-idle RPMs. My bike really loves this cool whether too.

Just another thing to take a look at over the winter I guess.

Aaron

waynecomp · « **Reply #386 on:** October 26, 2012, 07:43:13 AM »

I've only put about 80 miles on my bike since doing this modification, and I don't seem to be charging that well. All my numbers test the same, and my battery is new.

I'm not sure what to think. It very well could be that the battery drained while not in use, and I just haven't ridden long, or often enough. But my rides where highway with rpms over 4k.

I'm a little disappointed.

The Mayor · « **Reply #387 on:** March 11, 2013, 06:37:01 PM »

Hey guys - just bought a regulator/rectifier off ebay that's supposed to be a plug-n-play (cheaper, Chinese version)...
http://www.ebay.com/itm/CB350F-CB400F-CB500F-CB550F-CB550K3-CB750F1-CB750K1-K7-Regulator-Rectifier-/150529432328?pt=Motorcycles_Parts_Accessories&hash=item230c40db08&vxp=mtr

Question is this... it appears that the lead and ground (red and green) wires are opposite from the original rectifier's plug. Do the rectifiers care if you switch the +/-

Anyone else bought one of these units? For $30 I thought I'd give it a shot...

vonvendetta · « **Reply #388 on:** March 11, 2013, 08:26:54 PM »

Quote from: The Mayor on March 11, 2013, 06:37:01 PM

Hey guys - just bought a regulator/rectifier off ebay that's supposed to be a plug-n-play (cheaper, Chinese version)...

Question is this... it appears that the lead and ground (red and green) wires are opposite from the original rectifier's plug. Do the rectifiers care if you switch the +/- Anyone else bought one of these units? For $30 I thought I'd give it a shot...

I have seen them and want to try it out but before I do I wanted someone else to try. :p I have a cb500 k1 so it uses 7 wires as well. Wish someone would just sell a simplified wiring harness and rectifier/regulator kit for all of us cafe builders.

scottly · « **Reply #389 on:** March 11, 2013, 08:30:47 PM »

Quote from: vonvendetta on March 11, 2013, 08:26:54 PM

Quote from: The Mayor on March 11, 2013, 06:37:01 PM
Hey guys - just bought a regulator/rectifier off ebay that's supposed to be a plug-n-play (cheaper, Chinese version)...

Question is this... it appears that the lead and ground (red and green) wires are opposite from the original rectifier's plug. Do the rectifiers care if you switch the +/- Anyone else bought one of these units? For $30 I thought I'd give it a shot...

I have seen them and want to try it out but before I do I wanted someone else to try. :p I have a cb500 k1 so it uses 7 wires as well. Wish someone would just sell a simplified wiring harness and rectifier/regulator kit for all of us cafe builders.

Real builders don't need anyone to do it for us...

vonvendetta · « **Reply #390 on:** March 11, 2013, 08:49:29 PM »

Quote from: scottly on March 11, 2013, 08:30:47 PM

Quote from: vonvendetta on March 11, 2013, 08:26:54 PM
Quote from: The Mayor on March 11, 2013, 06:37:01 PM
Hey guys - just bought a regulator/rectifier off ebay that's supposed to be a plug-n-play (cheaper, Chinese version)...

Question is this... it appears that the lead and ground (red and green) wires are opposite from the original rectifier's plug. Do the rectifiers care if you switch the +/- Anyone else bought one of these units? For $30 I thought I'd give it a shot...

I have seen them and want to try it out but before I do I wanted someone else to try. :p I have a cb500 k1 so it uses 7 wires as well. Wish someone would just sell a simplified wiring harness and rectifier/regulator kit for all of us cafe builders.
Real builders don't need anyone to do it for us...

This is my first build so I am having a hard time to be honest. There isn't a "take this blue wire and cut it 10" long" guide of how to rewire. I have tried the generic honda poster diagram but I failed. It is also hard to get matching color wiring without spending a ton of money because of having to buy in bulk. I remember seeing someone said they would make a minimal harness for a cost.
vonvendetta.tumblr.com/
I have a huge project in front of me. ^^ $$ Seems like a small price. :p

scottly · « **Reply #391 on:** March 11, 2013, 09:55:07 PM »

Checked out your link Von. This thread was started to show how the regulator could be replaced with a cheap auto parts unit, and the rectifier with cheap Radio Shack parts, Not how to wire a bike from scratch. There have been many threads on this subject; do a search for minimal wiring. There have been several mentions of the stock charging system color codes on this thread.

mrrch · « **Reply #392 on:** March 12, 2013, 06:11:03 AM »

This a great link but I think its time to weed it out, 16 pages? Too much extra info.

vonvendetta · « **Reply #393 on:** March 19, 2013, 11:40:30 AM »

Quote from: The Mayor on March 11, 2013, 06:37:01 PM

Hey guys - just bought a regulator/rectifier off ebay that's supposed to be a plug-n-play (cheaper, Chinese version)...

Question is this... it appears that the lead and ground (red and green) wires are opposite from the original rectifier's plug. Do the rectifiers care if you switch the +/- Anyone else bought one of these units? For $30 I thought I'd give it a shot...

Did you ever get it to work, would seem like it would cut back a ton if wires.

zenocchio · « **Reply #394 on:** April 23, 2013, 03:19:05 PM »

Quote from: vonvendetta on March 19, 2013, 11:40:30 AM

Quote from: The Mayor on March 11, 2013, 06:37:01 PM
Hey guys - just bought a regulator/rectifier off ebay that's supposed to be a plug-n-play (cheaper, Chinese version)...

Question is this... it appears that the lead and ground (red and green) wires are opposite from the original rectifier's plug. Do the rectifiers care if you switch the +/- Anyone else bought one of these units? For $30 I thought I'd give it a shot...

Did you ever get it to work, would seem like it would cut back a ton if wires.

I am interested too

Pinhead · « **Reply #395 on:** May 15, 2013, 07:24:11 AM »

For those of you having trouble using the Ford regulator, I found another one that will work. It's from a Dodge.

NAPA MPEVR38SB
VR295

vonvendetta · « **Reply #396 on:** May 15, 2013, 07:45:41 AM »

A full updated guide is in order. I would love to replace the 40 year old setup.

I might start a new post to clean it up and reserve the first few posts and always keep those updated instead of having to go through pages of discussions.

Sent from my SAMSUNG-SGH-T989 using Tapatalk 2

Pinhead · « **Reply #397 on:** May 15, 2013, 08:27:58 AM »

I started a new thread with the new diagram and will sift through this thread to save some of the info...

my79650 · « **Reply #398 on:** June 16, 2013, 05:18:51 AM »

79 cb650, new rotor and new battery. R/R that was on the bike went bad as 1 of the stator brushes wore down causing intermittent charging and a very dim headlight on the night drive home from work. Changed stator from parts bike, it had good long brushes. I tried the r/r back on for testing battery volts and it went up over 15 volts at 4000 rpm and got quite hot to the touch. Tried my spare from parts bike and it leveled out at 14.70/71 volts and back down to 14.68/69 volts@4000 rpm, plus this one got hot to the touch as well. So both r/r's are toasted; what i was wondering was i picked up a Motorcraft ford regulator off a 70's series 3/4 ton from junkyard for $5. Can i wire up this regulator and it work with one of the cb650 r/r units i have by just using the rectifier side of the 650 r/r box? Don't know if it has been tried but if i get rising volts then the rectifier side must be converting and regulator side is going to crap out. This make sense to anyone?

my79650 · « **Reply #399 on:** June 16, 2013, 05:20:02 AM »

Trying the above would be temporary until i can get the proper rectifiers.

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Author Topic: Replacement Regulator/Rectifier CHEAP (Read 192893 times)