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post #1 of 14 Old 10-09-2013, 11:54 PM Thread Starter
 
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954 not charging

My 02 954 quit charging all of a sudden on the way to work thw other day. I replaced the regulator and still nothing. I checked the stator how the book says to and it shows to be good. I replaced it like last june and I don't know what's up. Thanks for any input
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post #2 of 14 Old 10-10-2013, 12:01 AM
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Re: 954 not charging

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Originally Posted by johnb07 View Post
My 02 954 quit charging all of a sudden on the way to work thw other day. I replaced the regulator and still nothing. I checked the stator how the book says to and it shows to be good. I replaced it like last june and I don't know what's up. Thanks for any input

What voltage do you have across the battery with the engine running?
What AC voltage do you have on each of the stator phases?

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #3 of 14 Old 10-10-2013, 12:11 AM Thread Starter
 
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Re: 954 not charging

I have to jump it off now but when its running it'll have like 11 volts and slowly be going down. I didn't check ac voltage. I just checked the ohms between each on and checked to make sure it wasn't grounding out. What should the ac voltage be
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post #4 of 14 Old 10-10-2013, 12:15 AM
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Re: 954 not charging

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Originally Posted by johnb07 View Post
I have to jump it off now but when its running it'll have like 11 volts and slowly be going down. I didn't check ac voltage. I just checked the ohms between each on and checked to make sure it wasn't grounding out. What should the ac voltage be

Charge the battery first.
You want something like 50-70VAC from the stator.

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #5 of 14 Old 10-10-2013, 12:27 AM Thread Starter
 
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Re: 954 not charging

Ok. Ill check it out first thing in the morning and let you know.
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post #6 of 14 Old 10-10-2013, 6:54 PM Thread Starter
 
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Re: 954 not charging

Do you go phase to phase or phase to ground?
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post #7 of 14 Old 10-10-2013, 8:41 PM
 
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Re: 954 not charging

Although I haven't actually tested a stator, I've read several times that you test the three pairs of phases. So phase to phase.
At idle you should get around 12-15VAC. You're looking for consistency more than an actual number. If one of the three pairs is out of whack with the other two, then you have a problem.
Another thing to look for, (again, I've only read this on this forum), is if you remove or replace the stator, you will get some resistance from the magnets as you physically move it. If it slips in and out, theres a problem with the stator.

Bladeracer, does that sound right?

This link may help.
http://www.electrexworld.co.uk/acata...P-PMG-&-RR.pdf
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post #8 of 14 Old 10-11-2013, 12:38 AM
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Re: 954 not charging

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Originally Posted by jondog9 View Post
Although I haven't actually tested a stator, I've read several times that you test the three pairs of phases. So phase to phase.
At idle you should get around 12-15VAC. You're looking for consistency more than an actual number. If one of the three pairs is out of whack with the other two, then you have a problem.
Another thing to look for, (again, I've only read this on this forum), is if you remove or replace the stator, you will get some resistance from the magnets as you physically move it. If it slips in and out, theres a problem with the stator.

Bladeracer, does that sound right?

This link may help.
http://www.electrexworld.co.uk/acata...P-PMG-&-RR.pdf

Almost perfect Jon :-)
Except, no magnetic resistance indicates a bad rotor, not the stator.

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #9 of 14 Old 10-11-2013, 12:44 AM Thread Starter
 
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Re: 954 not charging

So I checked it and its like 1.5 volts ac between all the phases. But I'm not totally convinced its the stator being that the resistance is good and its not going to ground or nothing. So should I just start pulling the alternator apart?
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post #10 of 14 Old 10-11-2013, 12:52 AM
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Re: 954 not charging

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Originally Posted by johnb07 View Post
So I checked it and its like 1.5 volts ac between all the phases. But I'm not totally convinced its the stator being that the resistance is good and its not going to ground or nothing. So should I just start pulling the alternator apart?

Sounds like a fried stator to me.

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post #11 of 14 Old 10-11-2013, 4:07 AM
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Re: 954 not charging

Quote:
Originally Posted by johnb07 View Post
So I checked it and its like 1.5 volts ac between all the phases. But I'm not totally convinced its the stator being that the resistance is good and its not going to ground or nothing. So should I just start pulling the alternator apart?
4.5 VAC isn't gonna cut it. Stator is dead. BR is right on with needing somewhere in the area of 50VAC on each leg. That's why you notice the battery voltage dropping while it's running. The normal operation of the bike is taking all the juice from the battery to run and the stator is not replacing it.
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post #12 of 14 Old 10-11-2013, 2:54 PM
 
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Re: 954 not charging

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Originally Posted by IanDoohan View Post
4.5 VAC isn't gonna cut it. Stator is dead. BR is right on with needing somewhere in the area of 50VAC on each leg. That's why you notice the battery voltage dropping while it's running. The normal operation of the bike is taking all the juice from the battery to run and the stator is not replacing it.
Ok, 50-70VAC. That's at around 5000rpm - correct?
When I said 12-15VAC, that's at idle.
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post #13 of 14 Old 10-11-2013, 2:57 PM
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Re: 954 not charging

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Originally Posted by jondog9 View Post
Ok, 50-70VAC. That's at around 5000rpm - correct?
When I said 12-15VAC, that's at idle.

Nope, that's the output you want at idle.
Out of the regulator you'd want 13.5-15VDC.

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post #14 of 14 Old 10-11-2013, 3:00 PM
 
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Re: 954 not charging

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Originally Posted by bladeracer View Post
Nope, that's the output you want at idle.
Out of the regulator you'd want 13.5-15VDC.
Ok, thanks, think I got it straight now.
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