old 85-86 bike w/bad regulator - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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Where does this wire go?
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post #1 of 10 (permalink) Old 12-03-2006, 02:33 AM Thread Starter
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old 85-86 bike w/bad regulator

Ok heres a nifty question for you all. I own a old 85-86 VN750. I bought it for $500, and from the get go had charging problems, I took the engine out, changed the stator and regulator, now please understand, the stator seems to be running just fine, but the reg's always fry right at the connector. The regulators always come with a pig tail for the hook up, and the white wires are always smaller on the regulator side then on the main wire side, also the brown wire is larger on the reg side then on the main wire harness side. I think thats the problem. Please understand I've tried figuring this out, I tried using Dealer parts, parts from bandit and local aftermarket places, their all the same. some are even 5-pin connectors, which never come with rewire directions.So how do I fix this delema? I like this bike, its old and normally reliable, as long as I keep her running. Is there a solution??????????? just so you know the bike was bilt in 9/86 but some mechanics at kawa still say its an 85.
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post #2 of 10 (permalink) Old 12-03-2006, 02:50 AM
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Wish I could be of more help with the electronics, but that's not my forte.
I'm just getting ready to tackle a stator change myself.

As far as the year, is it a 700cc or 750cc engine (if the engine is black, it's an '85 700, if the engine is silver, it's an '86 750)
Someone here with more electronic experience should be around sooner or later.


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post #3 of 10 (permalink) Old 12-03-2006, 02:54 AM Thread Starter
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ok the engine is black but the fins are silver, the vin say's it's a 750, that all I have to go off of.
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post #4 of 10 (permalink) Old 12-03-2006, 03:03 AM
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Yep, it's an 85 700.
The wheels are probably black & silver too. Where as an 86 would have just silver wheels.


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post #5 of 10 (permalink) Old 12-03-2006, 03:06 AM Thread Starter
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ok so the vins wrong and the parts are wrong, makes sense as to why mine won't run right, but then why does it say 749L on the case????
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post #6 of 10 (permalink) Old 12-03-2006, 03:27 AM
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Hmm, that is strange.
Well, the '86 did have painted wheels. Unless the bike's been repainted, I believe the 85 should have black side covers. 86 had red.
Maybe you got one from when they were just changing over.
Are you in the USA? I'm not sure where Westley Chapel is.
European 85's may have been 750's, but not US models.

Oh yeah, Welcome to the site !!


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post #7 of 10 (permalink) Old 12-03-2006, 04:05 AM Thread Starter
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I live in florida just north of tampa. I'm thinking the bikes been through more then two people as I was told. It's got side pipes(that are loud and it's mostly black, the tankes are majority black with three red swoshes my side covers say vulcan but not 750. the bikes kinda a mix of parts and it's hard to figure out.
I believe its a true frankenstien from the factory....
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post #8 of 10 (permalink) Old 12-03-2006, 04:12 AM
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Quote:
Originally Posted by cisco
I believe its a true frankenstien from the factory....
That's what it seems like. 750's say 750 on the side covers and have silver engines. I wish ya the best in getting it running better.

There probably wont be too many people on here for a few more hours or so.
Check back then and someone here should be able to help ya out.
I'm one of the few nightshift workers here, so I'm on when most others aren't.


AKA: Tim & 'The Adventure Cycle' VROC #24567, NEVROC, SteelCity VROC


"When life throws you curves,
Aim for the apex."

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Last edited by hyperbuzzin; 12-03-2006 at 04:16 AM.
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post #9 of 10 (permalink) Old 12-03-2006, 04:30 AM Thread Starter
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yeah I'll check tomarrow, old ladies' pushen me to come back to bed. she wants a bike too, but her inseams kinda short, my bikes to big for her, which is weird because I'm 6'6" and its a little tiny for me. thanks for the help.
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post #10 of 10 (permalink) Old 12-03-2006, 07:45 PM
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There is a serial number on the engine as well. It may be that someone transplanted an engine from another bike. The engine number is stamped on the case under the rear ACCT and can be covered up by the rear brake cable.
If your engine number starts out VN700... then you have a transplanted engine.
If it is VN750AE002501-012500, then the engine is an 86.
It appears as though Kaw didn't sequentially number their engines until 88.
If the engine is transplanted, it may be a wiring harness incompatibility or a short in the harness before it gets to the R/R. The part numbers for the R/R are the same for all model years so the R/R isn't the problem.

Jim W
93 VN 750 "Ursula"
Moved R/R 08Sep06
R/R rewire 17Feb07
New R/R, Installed 14Jun08
New Stator installed 10 Jun08
Maintenance Free Battery 12Jan08
21480 Miles
VROC #8542
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