Stator- I know, I'm sorry - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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Where does this wire go?
Includes Electrical mods, Lights, Stator,
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post #1 of 24 (permalink) Old 07-15-2011, 02:50 PM Thread Starter
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Stator- I know, I'm sorry

I've seen conflicting information and that is why I am asking in a new thread.

So far I have tested the 3 yellow leads (from the connector on the junction box) between each other and each one to ground.

All three show OL when tested to ground, so I believe that is good.

The also all show roughly 0.6-0.8 ohms against each other. This is where my question lies. I've seen a post where lance said up to 2.0 ohms is ok, but other people and the manual say specifically between 0.34-0.52

which is correct. I will do more testing, but my battery is charging.

One further note. The bike actually quit on me when pulling into my parking spot today. I guess I barely made it home. I also had to push start it to leave work.

I will perform VAC tests and report back, until then any advice/suggestions would be great.

Thanks

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post #2 of 24 (permalink) Old 07-15-2011, 05:23 PM
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Quote:
The also all show roughly 0.6-0.8 ohms against each other. This is where my question lies. I've seen a post where lance said up to 2.0 ohms is ok, but other people and the manual say specifically between 0.34-0.52
I recall that post of lance`s too. I think he said the important thing was that the resistance readings be equal, or nearly so, between the three combination sets of yellow wires.

I think if you get VAC readings in the 50-70 range, you may be ok as the 0.6-0.8 ohm readings are well under lance`s 2 ohm range limit, and only slightly above Kaw specs.

I wonder if the problem could be the reg/rec instead of the stator.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

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Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
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Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
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post #3 of 24 (permalink) Old 07-15-2011, 07:12 PM
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I have a sears digital multimeter, and have been using Fluke multimeters at work for 20 years or more. With my sears meter when shorting the leads together before testing I only get about .6 ohms, about the same with the flukes. when reading a good length of wire if its 3 ohms or less I usually call it good. I dont know how long a stator wire is but if its 3 ohms or so between wires I would call it good. I think in the manual the kawasaki dealer is using some other kind of meter, so ive heard. I agree with olhoss, check the voltage if its good I think your ok
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post #4 of 24 (permalink) Old 07-15-2011, 07:43 PM
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Originally Posted by ifixf18s View Post
I have a sears digital multimeter, and have been using Fluke multimeters at work for 20 years or more. With my sears meter when shorting the leads together before testing I only get about .6 ohms, about the same with the flukes. when reading a good length of wire if its 3 ohms or less I usually call it good. I dont know how long a stator wire is but if its 3 ohms or so between wires I would call it good. I think in the manual the kawasaki dealer is using some other kind of meter, so ive heard. I agree with olhoss, check the voltage if its good I think your ok
It is the IC igniter unit that requires the "Kaw special tool" for testing. I think someone here with electronics training speculated in a post a few weeks ago that the "special tool" was an analog gauge with a resistor in the circuit. I do not understand how all this works, I just recall reading something along those lines.

I think any ohm meter is fine for checking all other electrical components on the bike.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/showthread.php?t=9127
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post #5 of 24 (permalink) Old 07-15-2011, 08:24 PM Thread Starter
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Yeah, my multimeter automatically zeros itself when I touch the leads together.

As for the VAC test, my battery was fully discharged so its gonna take an overnight on the tender.

I think/hope that the problem is either the R/R or possibly a short somewhere int he system draining the battery.

I only suspect a short because I just did some wiring, however, I am not sure if that explains the bike dying at the tail end of a 20 mile ride at highway speeds when the battery should have been charging. Also I should have lowered the total load by switching to LEDs so I can't imagine it is a over-draw issue either.

I guess I better start thinking MOSFET.

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post #6 of 24 (permalink) Old 07-16-2011, 09:12 AM
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Quote:
Originally Posted by OlHossCanada View Post
It is the IC igniter unit that requires the "Kaw special tool" for testing. I think someone here with electronics training speculated in a post a few weeks ago that the "special tool" was an analog gauge with a resistor in the circuit. I do not understand how all this works, I just recall reading something along those lines.

I think any ohm meter is fine for checking all other electrical components on the bike.
Any ohm meter is fine for checking the stator windings and wiring harness resistance. Testing the R/R should be done with an "analog meter" (that is what Kawasaki's "hand tester" is) on the Rx100 scale in order to get the same results they specify in the table.

I believe that your readings of 0.6 ohm for stator winding resistance is OK even if a little over spec. It is hard to get accurate readings at very low resistance. Check the accuracy specifications of your meter.

- Safety First

Paul

'04 VN750
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post #7 of 24 (permalink) Old 07-16-2011, 11:02 AM
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I think if you could roll start it, your stator is doing something. Not charging the battery, your R/R isn't doing something. That was my wake up, before going through all the meter stuff. And check for burnt connections, I had those, too.

Last edited by TuxedoSeven; 07-16-2011 at 11:06 AM.
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post #8 of 24 (permalink) Old 07-16-2011, 11:30 AM
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Also, would recommend you get a volt meter for your bike.

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coastered
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post #9 of 24 (permalink) Old 07-16-2011, 02:16 PM
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Quote:
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Also, would recommend you get a volt meter for your bike.
Amen, but I wouldn't recommend the red LED digital one.
It looks great and is affordable but is very hard to read on a sunny day.


Last edited by TuxedoSeven; 07-16-2011 at 02:34 PM.
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post #10 of 24 (permalink) Old 07-16-2011, 02:24 PM Thread Starter
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Yeah, I've been putting off all the electrical mods till this winter. Guess I didn't make it.

Gonna pick up a voltmeter today

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