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Old 11-20-2012, 04:19 PM   #11 (permalink)
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Personally, I just buy bikes with new batterys and sell them before they go dead. Don't have to worry about any of this crap.
I'm the same way about cars, getting rid of them when the ashtrays fill up.
I seem to be keeping them longer these days...

oh yeah, maybe quitting smoking had something to do with that
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Old 11-20-2012, 05:39 PM   #12 (permalink)
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With cars, it's usually a big deal if I have to buy a set of tires!

Thinking back, I've only bought one car battery and one bike battery in my life.
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Old 11-20-2012, 06:51 PM   #13 (permalink)
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Shorai literature states the cells are capable of 80% discharge without damage. That works out to 12.86vdc.

You might be able to resuscitate it, but at 7.5vdc, it probably will not be reliable due to reduced capacity. Lead acid batteries also lose capacity when undercharged.
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Old 11-20-2012, 07:16 PM   #14 (permalink)
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You might be able to resuscitate it, but at 7.5vdc, it probably will not be reliable due to reduced capacity. Lead acid batteries also lose capacity when undercharged.
This Shorai is toast!
I put my Battery Tender on it last night and left it on all day while I was at work. I checked the voltage just now, and it was 13.3. I turned the ignition key to run and the voltage dropped to 9.0 volts in about 30 seconds! Not even enough to start it.

I still have my old battery, so I guess I'll have to swap that back in and then figure out why the Shorai discharged.

What sucks the most is that the weather is perfect for riding! It was in the low 70's and not a cloud in the sky! Go figure!
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Old 11-21-2012, 04:20 AM   #15 (permalink)
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have you checked what charge you are getting and have you fitted the reg/rec and wiring upgrade?

Cheers
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Old 11-23-2012, 06:44 PM   #16 (permalink)
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Caddydaddy
have you checked what charge you are getting and have you fitted the reg/rec and wiring upgrade?

Cheers
Dave
I swapped in my old battery today, since the Shorai has voltage, but no cranking power. It is not charging, just battery voltage when running.
I checked the R/R and it is fine. I checked the voltage coming from the stator and it is 0!
Is 27,000 miles kind of low for one to go bad? I was reading about how they can look charred when bad, but it doesn't look too bad.
Are there any recommendations for a new stator?
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Old 11-23-2012, 09:29 PM   #17 (permalink)
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Rick's is the only reasonable option for a replacement stator. Electrosport is junk, from extensive personal experience, and OEM is crazy pricey.

http://ricksmotorsportelectrics.com/...JpbnRTVDEwNTA=

They won't always look bad when they're fried, and sometimes a working stator can look pretty charred.

I wouldn't necessarily trust the R/R until you're getting proper voltage out of it with a new stator; they're very hard to fully test.

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Old 11-23-2012, 10:23 PM   #18 (permalink)
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Rick's is the only reasonable option for a replacement stator.

I wouldn't necessarily trust the R/R until you're getting proper voltage out of it with a new stator; they're very hard to fully test.

Cheers,
-Kit
Thanks! I did see Rick's while doing a search, and the $140 vs. $504 for a new Triumph part is a HUGE difference! I just can't believe it failed so soon!

I am going to upgrade the R/R with a MOSFET unit. Might as well get the whole charging system squared away, now that I have the bike torn apart.
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Old 11-23-2012, 10:50 PM   #19 (permalink)
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eBay seller Jasonmotoelectrix has the best price I've been able to find on the MOSFET units. No affiliation, just a customer whose dissatisfaction has nothing to do with the seller or the product.

Cheers,
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Old 11-24-2012, 09:03 PM   #20 (permalink)
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Hi CD I don't know if this an option for you in the Sates but I got my Daytona Stator rewound, and it works perfectly.

When my Daytona stator bit the bullet it was because of my reg/rec and my stator was very burnt looking too.

Cheers
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