Charging system 1981 gs650e

[Guest]

I'm not sure if I have a bad battery or charging system. Should I be able to remove the negative Battery cable with the bike running and it continue to run? Mine dies if I pull the - cable with it running......

[posplayr]

I'm not sure if I have a bad battery or charging system. Should I be able to remove the negative Battery cable with the bike running and it continue to run? Mine dies if I pull the - cable with it running......

What you describe is one of the best ways to fry your charging system.

[kckershovel]

Thank You for the help.

[posplayr]

Thank You for the help.

You are welcome.

[kckershovel]

So is the bring to 2500 rpm and check for 13+ volts at the battery the correct way to test? I'm new to GS's

[tom203]

Thank You for the help.

That's not "help", it's sound advice ! How about taking a more conservative route to checking your charging system ? Go here ,do the quick test, and report all 6 results(note that you must with fully charged battery)

http://www.thegsresources.com/_forum/showthread.php?p=1272192#post1272192

[kckershovel]

Key off 12.56 key on not running 12.1 running all rpm 12.1 key off 12.56

[BigD_83]

If you are not seeing an increase in voltage with RPM, then you have an R/R problem, stator issue, or possibly both.

[BigD_83]

I'm not sure if I have a bad battery or charging system. Should I be able to remove the negative Battery cable with the bike running and it continue to run? Mine dies if I pull the - cable with it running......

Not busting your chops, but what was your thought process in pulling the negative lead?

[kckershovel]

To be perfectly honest it is a friends bike and he had done the pull - cable before I talked with him. I'm not sure what his thinking was. I told him I would ask so I did. Since then I have walked him through the testing procedures over the phone and the stator failed the ohm resistance test.

[eil]

To answer your original question, these bikes need at least a semi-working battery in order for the ignition system to work.

[kckershovel]

That is what I thought. That is why I asked but it turns out his stator was bad anyway. We will be putting a stator in it in the next few days.

[theresthatguy]

That is what I thought. That is why I asked but it turns out his stator was bad anyway. We will be putting a stator in it in the next few days.

And what about the R/R?

[kckershovel]

He is trying to spend as little as possible. How do we test the R/R? I know allot of people change both at the same time.

[posplayr]

He is trying to spend as little as possible. How do we test the R/R? I know allot of people change both at the same time.

If the stator is bad, it is because the R/R killed it whether the R/R survived or not. So why do you need to test the R/R?