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Old September 30th, 2016   #21
PaulRB
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Default Re: Right H/B Switch Starter Switch

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Originally Posted by OTRA View Post
Thx. Am not familiar with the innards of the battery and was concerned with one edge of the elements possibly not being fully submerged when at an angle.

Dealer said they seldom see them failing so early and provided a new one, so no complain.
The standard battery for the ST is known as a AGM type.
AGM stands for Absorbed Glass Mat.
Between the cells is a special glass mat that "absorbs" the electrolyte differing as to the older type "Flooded" with electrolyte as a fluid.
A fairly common misnomer is "Dry Cell".
The batter is not dry but contains enough electrolyte for the glass mat to absorb without standing fluid. If one would crack fluid would not run out.

The battery is sealed, internally vented and can be mounted at virtually any angle that will not conflict with the positive and negative posts.
There is no danger of running dry.
They can be much smaller that the old flooded battery and still deliver the power to crank the engine.
Battery life is improved but you are still dealing with lead cells which depreciate over time.
They store power well with much slower loss of voltage.
They have proven to be quite reliable.
Cell failures can generally be traced back to the quality and construction of the lead.
The price of lead is the biggest factor in the price of motorcycle/auto batteries.


Paul
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Old September 30th, 2016   #22
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Default Re: Right H/B Switch Starter Switch

Road Ready.
ST - New battery cured all ailments.
YellowWing - Removing the Reserve Lighting System cured all ailments.
Test ride - Rain Delayed.

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Old September 30th, 2016   #23
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Default Re: Right H/B Switch Starter Switch

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The standard battery for the ST is known as a AGM type.
AGM stands for Absorbed Glass Mat........

Paul
Thanks for the education.
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Old January 30th, 2017   #24
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Default Re: Right H/B Switch Starter Switch

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Originally Posted by PaulRB View Post
The standard battery for the ST is known as a AGM type.
AGM stands for Absorbed Glass Mat.
......
Battery life is improved but you are still dealing with lead cells which depreciate over time.
They store power well with much slower loss of voltage.
They have proven to be quite reliable.
Cell failures can generally be traced back to the quality and construction of the lead.
The price of lead is the biggest factor in the price of motorcycle/auto batteries.


Paul
Was distracted and left the switch on for about 2 min before starting the bike....and there was not enough juice left to start.

Is it about par for the Yuasa?

Cranking again after a jump and some riding. But wondering if battery may be nearing end of life?
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Old January 31st, 2017   #25
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Default Re: Right H/B Switch Starter Switch

Battery life looks to be about 7 years.
Some have reported as long as 9.

Simply because of where I live, remote area, I go 5 years and change it out weather it needs one or not.

Paul
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File Type: txt Testing a Motorcycle Battery.txt (5.2 KB, 7 views)
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Old January 31st, 2017   #26
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Default Re: Right H/B Switch Starter Switch

I think this is typical for the smallish battery in the ST1300. Sometimes if you shut off everything and wait for 10 + minutes or so, the battery will recover enough to start the bike (barely) and then re-charge it.

Got me out of a jam once, riding by myself stopped to do a wee and evidently just hit the kill switch and left the key on. After hiking far enough to be inconspicuous and back again, taking my time to drink some water and eat a granola bar, the bike wouldn't start. Unfortunately I was in a low spot (selected for the aforementioned "inconspicuity"), so bump starting wasn't going to be an option. As I stood there considering my options, I turned the key back on and tried again just for the hell of it. She fired up! Whew, that was a bigger relief than the wee was!
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Old January 31st, 2017   #27
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Default Re: Right H/B Switch Starter Switch

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Originally Posted by Wjbertrand View Post
I think this is typical for the smallish battery in the ST1300. Sometimes if you shut off everything and wait for 10 + minutes or so, the battery will recover enough to start the bike (barely) and then re-charge it.

Got me out of a jam once, riding by myself stopped to do a wee and evidently just hit the kill switch and left the key on. After hiking far enough to be inconspicuous and back again, taking my time to drink some water and eat a granola bar, the bike wouldn't start. Unfortunately I was in a low spot (selected for the aforementioned "inconspicuity"), so bump starting wasn't going to be an option. As I stood there considering my options, I turned the key back on and tried again just for the hell of it. She fired up! Whew, that was a bigger relief than the wee was!
Wee win .
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Old January 31st, 2017   #28
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Default Re: Right H/B Switch Starter Switch

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I think this is typical for the smallish battery in the ST1300. Sometimes if you shut off everything and wait for 10 + minutes or so, the battery will recover enough to start the bike (barely) and then re-charge it.
Good to know. Thx. But thinking about getting a booster now, just in case.
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Old February 12th, 2017   #29
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Default Re: Right H/B Switch Starter Switch

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Battery life looks to be about 7 years.
Some have reported as long as 9.

Simply because of where I live, remote area, I go 5 years and change it out weather it needs one or not.

Paul
Used your attached doc for checking the battery. Thx.

Started with 12.5V (which would be about 75% full charge according to the doc; bike has been sitting for 2 weeks).

Dropped to 9.4V while cranking. Which would indicate starting to go bad according to the doc.

A little early for a 1 1/2 year old Yuasa it would seem.

Would cranking voltage be higher if checking with full charge? In which case I'll retest after full charge.

Thx again.
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Old February 12th, 2017   #30
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Default Re: Right H/B Switch Starter Switch

After charging the battery should "rest" at least 1 hour before testing.

"rest" = Nothing connected not even your volt meter.
Basically a no drain situation.
Give it at least an hour to settle and stabilize.

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