1986 Aspencade stator output


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Jeff in Pa
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1986 Aspencade stator output

Post by Jeff in Pa »



I know I have read to test the voltage at 2500 rpm but is it possilble for mine to be an oddity or is my voltmeter wacked?
Since I removed the "why is that there" plug my volts are even better than before. I can go down to 1100 rpm and still have 15 volts? It was not that high before. I always test off the batterm terminal.

Is this a possible sign that it's soon done for? My wires going into the plug on the stator side were not bad, just a little heat showing very close to the plug.

Any thoughts?

Thanks



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twocams
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Re: 1986 Aspencade stator output

Post by twocams »

That really high. should be around 13.5. Regulator not working right?

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virgilmobile
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Re: 1986 Aspencade stator output

Post by virgilmobile »

Corroded ground lug,corroded module plug connections,low volts on the module sense wire.It can be temporarily bypassed to test.The black wire...jump it direct to the battery with the bike running and see if the volts drop.
Corroded battery ground lug at the frame.

Jeff in Pa
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Re: 1986 Aspencade stator output

Post by Jeff in Pa »

Ok I will check those first. I also have a voltmeter to install.

If I can't find any issues with the ground wires should I go ahead and get another regulator?

Thanks

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virgilmobile
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Re: 1986 Aspencade stator output

Post by virgilmobile »

I will never tell you to spent your gas money on anything that is not confirmed bad.
Run the checks.Especially the ground lugs and the sense wire bypass.

Jeff in Pa
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Re: 1986 Aspencade stator output

Post by Jeff in Pa »

virgilmobile wrote:Corroded ground lug,corroded module plug connections,low volts on the module sense wire.It can be temporarily bypassed to test.The black wire...jump it direct to the battery with the bike running and see if the volts drop.
Corroded battery ground lug at the frame.

Alright, I could not find much corrosion, a little in the plug. I sanded everything so I had good contact. Then I bypassed the black wire and tested my volts at the battery. My voltage was still way to high. It was pushing 16 to 17 volts!

Now what?

Jeff in Pa
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Re: 1986 Aspencade stator output

Post by Jeff in Pa »

The more I think about this, it's possible there's nothing wrong with the bike but with my voltmeter. I bought a simple digital voltmeter to mount on the bike. I put that on tonite, I ran the leads to the 2 lugs on the center fuse box. That voltmeter says 14.4 to 14.5.

I don't know what to think. I will have another voltmeter tomorrow to test directly at the battery.

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virgilmobile
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Re: 1986 Aspencade stator output

Post by virgilmobile »

Good idea. Test test test...Parts are expensive.

Jeff in Pa
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Re: 1986 Aspencade stator output

Post by Jeff in Pa »

virgilmobile wrote:Good idea. Test test test...Parts are expensive.
Well I put my bike back together. Testing with a good multimeter the highest I could get the volts was 14.7 and dropping back into the high 13's at idle. I got out my other multimeter and it was also showing the same. Either my multimeter is going bad or there are other problems. The good thing is that my voltmeter I put on is working great so I will be able to keep an eye on it every time I ride.

Is 14.7 too high?

Thanks for all your help!

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virgilmobile
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Re: 1986 Aspencade stator output

Post by virgilmobile »

14.7 is maxed out is not unreasonable. Not much more tho.
Keep an eye on the acid level in the battery.At least once a month.
I prefer seeing the charging system max out closer to 14.3.There may be a very small voltage drop in the sense wire.
Just keep a eye on it.If it starts to settle around 14.9 or more you'll have to deal with it.

Jeff in Pa
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Joined: Wed Oct 26, 2016 11:36 am
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Re: 1986 Aspencade stator output

Post by Jeff in Pa »

virgilmobile wrote:14.7 is maxed out is not unreasonable. Not much more tho.
Keep an eye on the acid level in the battery.At least once a month.
I prefer seeing the charging system max out closer to 14.3.There may be a very small voltage drop in the sense wire.
Just keep a eye on it.If it starts to settle around 14.9 or more you'll have to deal with it.
Will do and thank you so much for all of your help!
This forum is amazing!!

Thanks!!



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