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bad battery affects idle?

  • Thread starter Thread starter stecz
  • Start date Start date
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stecz

Guest
problem this morning...

I was going to ride my bike to work, but have a weird problem...

The battery was dead, I put a voltmeter on it and it showed 6 volts. The last time I rode it was Sunday and didn't have any problems. I used my charger to jump start it and it started right up. It also showed 13.XX volts at idle.

But, when I rode off, it wouldn't idle. It didn't seem to be down on power, but when idling, the idle speed would slowly decrease until the engine died. It would then immediately restart (even without a jumpstart), but wouldn't idle.

On Sunday when I rode, it didn't do this at all.

Could a bad cell on the battery cause this problem?
 
Re: bad battery affects idle?

Yes, a bad battery, low capacity will cause that problem. The ignition system runs directly from the battery. The charging system replaces energy in the battery. At idle rpm, the charging system does not supply the amperage required to run the engine. (not the same thing as voltage)

Earl



stecz said:
problem this morning...

I was going to ride my bike to work, but have a weird problem...

The battery was dead, I put a voltmeter on it and it showed 6 volts. The last time I rode it was Sunday and didn't have any problems. I used my charger to jump start it and it started right up. It also showed 13.XX volts at idle.

But, when I rode off, it wouldn't idle. It didn't seem to be down on power, but when idling, the idle speed would slowly decrease until the engine died. It would then immediately restart (even without a jumpstart), but wouldn't idle.

On Sunday when I rode, it didn't do this at all.

Could a bad cell on the battery cause this problem?
 
I'll second what Earl has said. I had a similar problem on my 1100 when I first got it. Buy a new battery and look for a tender (around $20). You should notice an instant difference.

Brad tt
 
Thanks, I'll pick up a battery on the way home. I have a good automatic battery charger that I can use to charge the battery. Hopefully I'll drive it often enough that it will stay charged.


John
 
Do not charge a motorcycle battery at a rate greater than 2 amps. A charge rate of 1 to 1.5 amps is ideal.

Earl


stecz said:
Thanks, I'll pick up a battery on the way home. I have a good automatic battery charger that I can use to charge the battery. Hopefully I'll drive it often enough that it will stay charged.


John
 
Personal Testimony: A Marginal Battery Makes as GS Deliver Marginal Performance! I changed to a Gel Battery and it Felt Like I found a few more horses in the Old Girl! (80GS850G) :D
 
I put a standard energizer battery in and now it idles fine... I guess the battery decided to take a dump after my ride on Sunday...
 
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