Regulator rectifier - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
Includes Electrical mods, Lights, Stator,
Rectifier, Diagrams, etc

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post #1 of 16 (permalink) Old 04-14-2010, 07:16 AM Thread Starter
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Regulator rectifier

Lance suggested I buy part number 21066-1089. But I was on another computer and I brought this one 21066-1101, as I couldn't remember which one it was. Both are listed for our bikes and I see no difference in them. I cross referenced the part number and 21066-1101 is the replacement one. Why is one recommended over the other one?

1992 Vulcan 750.
Ear shaved and re-jetted.
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post #2 of 16 (permalink) Old 04-14-2010, 09:16 AM
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I would recommend Ebaying a compatible Ninja R/R. There is a whole year/model series that are compatible and they sell for about $20 each. I run one and have a spare in the saddle bags.

This was suggested a long time ago on the Forum, you can search it out and use Ron Ayers' reverse part lookup to tell which models are compatible. Here's some notes a made when I was researching it:

ZL600
ZX600
VN1500
KLF300
Bayou ATV
KEF300 Lakota
Bought from Ebay: 2003 ZR750 KZ750

Darrel
'03 Vulcan 750 (90k miles)
-Corbin Seat
-V-Force Windshield
-LeatherLyke Touring Bags
-Chrome Luggage Rack
-Headlight Modulator
-Brakelight Flasher
-MF Battery
-Heads-Up Voltage Monitor
-Replaced Stator (9,000 and 16,000 mi.)
-Oil-cooled Stator Mod (photos)
-Replaced and Relocated R/R
-Greased rear splines
-Fused Stator (photos)
-Metzeler ME880 Marathon 170/80-15 (Rear), 110/90-19 (Front)
-TOC MCCTs installed
-Headlight Relays
SOLD - 2013
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post #3 of 16 (permalink) Old 04-14-2010, 01:00 PM Thread Starter
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Afternoon Bump

1992 Vulcan 750.
Ear shaved and re-jetted.
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post #4 of 16 (permalink) Old 04-14-2010, 07:45 PM Thread Starter
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Well I installed the regulator, put a volt meter to the battery and fired it up. With it reved up it only goes up to about 12.6, this is the same when on the stock unit as well. I disconnected the blue wire that was used to rewire the headlight, and same. Put it back in its original location and no difference. Stator when tested seemed fine. So either I have the wrong regulator or I have another bug in the system.

1992 Vulcan 750.
Ear shaved and re-jetted.
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post #5 of 16 (permalink) Old 04-14-2010, 09:15 PM
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check voltage on the brown wire at the r/r... if low, check voltage on pin 13 of the jb... if voltage is high then the diodes inside the vr could be burned out causing wrong trigger wire readings.
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post #6 of 16 (permalink) Old 04-14-2010, 11:42 PM
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I was installing a cab on a John Deere Gator today with the kawasaki engine and right there on the frame rail was the exact same R/R that i just got from ebay,so if you are around a John Deere dealer when you break down it is another place to get an R/R in a pinch although the are probably higher.But then again there are John Deere Dealers in Rural areas where there aren't Bike shops,just saying,who knows it might be useful info one day.




If you see it on my bike I did it
VROC#30324
92 vn750(sold)
Current ride 05 1500 Classic FI
lovin' the new scoot



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post #7 of 16 (permalink) Old 04-15-2010, 07:21 AM Thread Starter
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Quote:
Originally Posted by slimvulcanrider View Post
check voltage on the brown wire at the r/r... if low, check voltage on pin 13 of the jb... if voltage is high then the diodes inside the vr could be burned out causing wrong trigger wire readings.
Should I check this while revving the motor or just when the bike is on? Also anyone can double check those part numbers to see if I may have ordered the wrong one.

1992 Vulcan 750.
Ear shaved and re-jetted.
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post #8 of 16 (permalink) Old 05-23-2010, 07:41 PM
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Hi Guys! Cool Forum and great info. I have a '98 750. Can the bike just quit running while riding but then restart due to a bad R/R? Sometimes the start switch is inop for a few tries when it happens but all other dash lights and running lights are working.
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post #9 of 16 (permalink) Old 05-23-2010, 10:57 PM
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Quote:
Originally Posted by crieke View Post
Hi Guys! Cool Forum and great info. I have a '98 750. Can the bike just quit running while riding but then restart due to a bad R/R? Sometimes the start switch is inop for a few tries when it happens but all other dash lights and running lights are working.
It sounds like you need to disassemble your ignition switch and clean it,also when you have a question it is best if you start a new thread titled with your problem /subject also if you use the search feature on the tool bar at the top of the page and type in your problem you can read older posts where others may have had the same problem that you have and you'll be set




If you see it on my bike I did it
VROC#30324
92 vn750(sold)
Current ride 05 1500 Classic FI
lovin' the new scoot



Quote:
"When all is said and done,usually more is said than done" UNK
Click on one x and drag to the other to read between them.

Psalm 40:1...
XI waited patiently for the Lord; and he turned unto me, and heard my cry. X
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post #10 of 16 (permalink) Old 05-23-2010, 11:44 PM
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Denny, you making sure he gets the point. lol

02 honda sabre 1100
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