Chargin failure - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 9 (permalink) Old 05-11-2018, 11:28 AM Thread Starter
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Chargin failure

When testing the stator, I get 0 continuity between each of the three leads and ground. Then between leads 1-2, 2-3, 1-3 I'm reading .5 ohms between each.
Once bike is started, I'm getting 60 vac between 1-3, 60 vac between 2-3 and 0 vac between leads 1-2.
Does this mean that one of the stator cells has completely failed?
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post #2 of 9 (permalink) Old 05-11-2018, 12:18 PM
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Quote:
Originally Posted by xs11jj View Post
When testing the stator, I get 0 continuity between each of the three leads and ground. Then between leads 1-2, 2-3, 1-3 I'm reading .5 ohms between each.
Once bike is started, I'm getting 60 vac between 1-3, 60 vac between 2-3 and 0 vac between leads 1-2.
Does this mean that one of the stator cells has completely failed?


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Testing between ground and each stator lead, you should see no continuity. Think you're good there.

Your ohms are good.

edit: Wrong info deleted..... Looks like one leg may be dead.... see post #9

2003-21k mi
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__________________________________________________ ____________
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Last edited by Spockster; 05-11-2018 at 06:21 PM.
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post #3 of 9 (permalink) Old 05-11-2018, 01:19 PM Thread Starter
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"how to test a motorcycle stator for ac volt and output and continuity also atv utv" ...if you youtube this, the first video is where i saw to do that vac between each lead test. at 2:57 you can see the mechanic doing the test i was talking about.

I did just check the vac from each lead to ground and got nothing from all 3.
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post #4 of 9 (permalink) Old 05-11-2018, 03:19 PM
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that's strange... what are you using as your ground point?

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post #5 of 9 (permalink) Old 05-11-2018, 03:36 PM Thread Starter
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ive used both the frame and the negative terminal on the battery with the same result
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post #6 of 9 (permalink) Old 05-11-2018, 04:44 PM
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Don't know what it could be ... Check the meter? Will it read 110-120v ac from a wall outlet?

edit : wrong info deleted... see post #9

2003-21k mi
Shaved w/UniPK92+Stock Jets-TPE/MOSFET-Shinko Tires-AGM batt-bags-chrome-LEDs...more
__________________________________________________ ____________
Repair Manual: http://www.mediafire.com/file/mj7z81..._Catalogue.pdf

Owner's Manual: http://www.mediafire.com/file/nscb5f...ers+Manual.pdf

Last edited by Spockster; 05-11-2018 at 06:19 PM.
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post #7 of 9 (permalink) Old 05-11-2018, 05:45 PM
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Do like I do...take that Vulcan to a shop where they "test" your system for around 30 bucks.Then they tell you that you need $700+ worth of charging system work.
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post #8 of 9 (permalink) Old 05-11-2018, 06:00 PM
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Always test the stator lead to lead. There should be no connection to ground on the ac side of the system unless something is shorted/crisped

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post #9 of 9 (permalink) Old 05-11-2018, 06:18 PM
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Yes, hold on... I did forget!

You need 40-70vac between all combinations of the A1, A2, A3 stator leads. So one leg on yours is dead.

https://www.vn750.com/forum/19-electr...hooting-4.html

Quote:
Originally Posted by denny6006 View Post
...

Next set your meter to VAC,200 or less.Remember I mentioned AC output,we are now going to test that.Start the bike ( you should have the battery fully charged before testing your charging system BTW) warm up the engine to normal operating temperature. This next part is easier with a helper,but you can do it by yourself.run the engine up to around 3K RPM's and check between any and all combinations of the three leads from the stator,you should have between 40 to 70 VAC .Is the voltage up to snuff ? It may be a little more but it's doubtful unless you have one that has been rewound as heavy duty or high output.Did it pass the test?In order to pass it must have proper voltage between all combinations of A1,A2 and A3,if one combination is very low or no voltage at all you have a bad stator.If it is good ,time to move on.

....

2003-21k mi
Shaved w/UniPK92+Stock Jets-TPE/MOSFET-Shinko Tires-AGM batt-bags-chrome-LEDs...more
__________________________________________________ ____________
Repair Manual: http://www.mediafire.com/file/mj7z81..._Catalogue.pdf

Owner's Manual: http://www.mediafire.com/file/nscb5f...ers+Manual.pdf

Last edited by Spockster; 05-11-2018 at 06:22 PM.
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