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Author Topic: Teasing 'Low Battery' light.  (Read 1229 times)

kneeslider

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Teasing 'Low Battery' light.
« on: November 20, 2017, 04:04:47 AM »
Hi guys, I am hoping you can help to shine some light on my problem.

This is about my low battery indicator 'teasing' me randomly.

A few months ago I changed my battery when it lost the ability to hold charge.

Fast forward to last week,  the low battery indicator came on first thing in the morning. I decided to shut her down on the road side, and restart her up just in case it might been an electrical glitch. It went away.

Today as I reached the end of my journey to work, the little red light came back on, again I switched her off and back on, again the little light went away.

Any idea what is going on here? Is it a tell tale sign that the rectifier/stator is going bad?

Seriously, that light should only come on when the voltage of the battery drops to a certain level, why would it pop in and out?





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kneeslider

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Re: Teasing 'Low Battery' light.
« Reply #1 on: November 20, 2017, 06:23:07 AM »
Just got back from the workshop, they tested it on a voltmeter. It isn't making charge at 11.4V with the engine running.  I suppose the magneto is on its way out as it's intermittently working.

Mileage on the 2013 Downtown: 60,000kms.
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Mr. Paul

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Re: Teasing 'Low Battery' light.
« Reply #2 on: November 21, 2017, 12:25:09 AM »
Thanks for the update Kneeslider.
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mousejunks

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Re: Teasing 'Low Battery' light.
« Reply #3 on: November 22, 2017, 02:40:40 AM »
Change the regulator first - it's the cheapest and easiest option
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kneeslider

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Re: Teasing 'Low Battery' light.
« Reply #4 on: November 24, 2017, 05:57:38 AM »
The magneto was burnt, wasn't the rectifier.
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CROSSBOLT

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Re: Teasing 'Low Battery' light.
« Reply #5 on: November 24, 2017, 02:30:21 PM »
OK, why was the stator burnt?

Karl
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Karl

Three motorcycles 1960-1977 (restored a 1955 BSA)
Agility 50
Yager 200i
Downtown 300i
Navy tech, Ships Engineer, pilot and aircraft mechanic

kneeslider

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Re: Teasing 'Low Battery' light.
« Reply #6 on: November 24, 2017, 05:20:39 PM »
Quote from: CROSSBOLT on November 24, 2017, 02:30:21 PM
OK, why was the stator burnt?

Karl
I have no idea.
Bad luck?
Are those things supposed to have a longer service life?

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CROSSBOLT

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Re: Teasing 'Low Battery' light.
« Reply #7 on: November 24, 2017, 08:17:23 PM »
Peter Kapitar in Hungary has a DT300i that the stator was fried by the rect-regulator shorting out or in some way overloading the stator.

Karl
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Karl

Three motorcycles 1960-1977 (restored a 1955 BSA)
Agility 50
Yager 200i
Downtown 300i
Navy tech, Ships Engineer, pilot and aircraft mechanic

kneeslider

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Re: Teasing 'Low Battery' light.
« Reply #8 on: November 25, 2017, 05:22:42 AM »
Mmmmmm, I'll check with the workshop.

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kneeslider

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Re: Teasing 'Low Battery' light.
« Reply #9 on: November 30, 2017, 01:00:30 AM »
Quote from: CROSSBOLT on November 24, 2017, 08:17:23 PM
Peter Kapitar in Hungary has a DT300i that the stator was fried by the rect-regulator shorting out or in some way overloading the stator.

Karl
Mine is the 200. We don't have the 300  here in Malaysia. But we do have the X-citing 400.

But the consensus is that the rectifier in the 200 isn't the weak link. It's the 400s that get bad rectifiers.

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