Big headache Stator, r&r - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 6 (permalink) Old 11-15-2012, 03:35 PM Thread Starter
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Unhappy Big headache Stator, r&r

so as much as I love my 86 Vulcan 750 It has been a headache lately. I was having electrical problems blowing headlights and main fuses and I inspected my R&R and it was cooked just by looking at it and there was burn marks on the connector. So I replaced it with a cheap replacement off of Ebay (which I know was a bad choice)and I relocated it for more air flow, and overall the bike ran better than ever and it quit having problems for about a month. I noticed one night an electrical smell. I determined it was the New R&R and it was hot enough to burn my finger. Now I know it is supposed to release heat (I think that is how it functions) hwoever it was excessivley hot. Also It doesnt get warm anymore. So anyway a little while after that I went to start my bike and the battery was dead. I was on an incline so I bump started it with the clutch it ran a little bit and died. So to make a long story short The bike would only run as long as the battery had juice. So I thought it had to be a dead stator. So I took on the long surgical process of replacing the vulcan stator (opted to not do the tuxedo mod) and got it back together and it runs but I have the same problem. It wont charge the battery and it will only run off the battery. So my guess is its the cheap r&r i put in is junk and I should replace with a better one, or I had the dumb luck of getting a faulty new stator. Or maybe another problem. So please send some input because Im dumbfounded. Thanks guys. This forum hasnt failed me yet.
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post #2 of 6 (permalink) Old 11-15-2012, 04:45 PM
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you said the connector at r&r had burn marks, i have a 96 750 and had same problem put new stator, and r&r in samething i replaced my burnt connector at r&r and problem solved. the connector was burnt on inside
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post #3 of 6 (permalink) Old 11-15-2012, 04:47 PM
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I'll let the electrical experts chime in but I would say to get this Mosfet rectifier. Makes a big difference.


" Loud Pipes Risk Rights "

2001 Vulcan 750
TOC upgrade on ACCT
Air/fuel mixture set to 2 1/2 out
rectifier relocated
splines lubed
decals removed
upgraded mirrors
Pic up coil mod done
All LED lighting
Upgraded Mosfet rectifier
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post #4 of 6 (permalink) Old 11-15-2012, 05:32 PM
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I think you need to start with continuity checks of the stator. Hopefully u can eliminate that. A member here named slimvulcanrider created a chart you can go by to check out the stator. It's quite lengthy but a very good complete check.
Let us know what you come up with.
Where did u get your stator ? I also agree with the mosfet R/R. But if u have bad wiring it's possible you can burn up good parts.
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post #5 of 6 (permalink) Old 11-15-2012, 07:14 PM
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did you use my Troubleshooting Chart? it would tell you exactly why your bike isn't charging.
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post #6 of 6 (permalink) Old 11-15-2012, 07:59 PM Thread Starter
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Ill take a look at your chart and go through it tomorrow after work. Todays been too long. My wiring looks good. Back when I kept blowing fuses and stuff I went over every inch of the wiring looking for a short so I think the wiring is all good.
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charging , r&r , stator

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