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My first time...

1921 Views 27 Replies 9 Participants Last post by  viktor92
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Well guys, after a (almost) great solo trip of more than 1400 km on last weekend, when missing only 200 km to my home, the bike has stopped, entering to a gas station while idling. No lights, no starter motor, no nothing. Today I decided to remove the tank to see what could have been the cause of the first road fail on 12 years of my beloved ZX11, and I found this:
Hood Motor vehicle Automotive design Automotive exterior Bumper
Hood Motor vehicle Vehicle Automotive design Car

I think I was lucky that the poor Motobatt doesn't explode under me, or that the failure doesn't happened in the middle of nowhere (it was a real possibility), this failure could be the result of a faulty voltage regulator that cooked the battery ??

Ps.: I forgot to say that all fuses are fine, it's all I've checked last Sunday.
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More scary pictures...
Shipping box Rectangle Packing materials Packaging and labeling Carton
Packing materials Shipping box Toy Rectangle Packaging and labeling
Food storage containers Yellow Packaging and labeling Box Rectangle
Gas Auto part Plastic Bumper Automotive exterior


Purchased in September 2021, and installed a few months later 馃槶馃槶
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Well guys, after a (almost) great solo trip of more than 1400 km on last weekend, when missing only 200 km to my home, the bike has stopped, entering to a gas station while idling. No lights, no starter motor, no nothing. Today I decided to remove the tank to see what could have been the cause of the first road fail on 12 years of my beloved ZX11, and I found this: View attachment 23017 View attachment 23018
I think I was lucky that the poor Motobatt doesn't explode under me, or that the failure doesn't happened in the middle of nowhere (it was a real possibility), this failure could be the result of a faulty voltage regulator that cooked the battery ??

Ps.: I forgot to say that all fuses are fine, it's all I've checked last Sunday.
More scary pictures... View attachment 23019 View attachment 23020 View attachment 23021 View attachment 23022

Purchased in September 2021, and installed a few months later 馃槶馃槶
I thinking the same thing. Faulty regulator. Let us know if that's the cause of the issue.
I can't find where is the voltage regulator...
I can't find where is the voltage regulator...
Prob right on the alternator. Do you have a manual with an electrical schematic?
OMG I thought it was an external device, the alternator should be disassembled then... 馃槚
Thank you for the answers.
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Yep, batteries can do this. Regulator overcharging or failure within the battery itself. You can measure voltage across after you buy a new 1 & get the bike running again to check charging numbers. Dont tear apart that alternator just yet.:cautious: My money is on battery failure/defect, considering point of manufacturer :oops::rolleyes::D
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Yep, batteries can do this. Regulator overcharging or failure within the battery itself. You can measure voltage across after you buy a new 1 & get the bike running again to check charging numbers. Dont tear apart that alternator just yet.:cautious: My money is on battery failure/defect, considering point of manufacturer :oops::rolleyes::D
I would be surprised if it was the battery
Yep, batteries can do this. Regulator overcharging or failure within the battery itself. You can measure voltage across after you buy a new 1 & get the bike running again to check charging numbers. Dont tear apart that alternator just yet.:cautious: My money is on battery failure/defect, considering point of manufacturer :oops::rolleyes::D
Hi Blaine, what do you mean with "considering point of manufacturer" :unsure:
Yep, batteries can do this. Regulator overcharging or failure within the battery itself. You can measure voltage across after you buy a new 1 & get the bike running again to check charging numbers. Dont tear apart that alternator just yet.:cautious: My money is on battery failure/defect, considering point of manufacturer :oops::rolleyes::D
Ok, I suspect that it has to do with Jacksonville...
I've just talk with a motorcycle electrician and he proposed me to put an external car voltage regulator, the original here is totally unavailable and maybe it's a fine solution to have an easy part replacement. We should find a proper place to install it.
Anyway next week I'll take him the bike and he will check what really is the problem. Tomorrow should arrive the new battery, I will connect it and see if at least the lights turns on...

ps.: all newer bikes have the voltage regulator EXTERNALLY, why this had to have it internally ??
Ok, I suspect that it has to do with Jacksonville...
I've just talk with a motorcycle electrician and he proposed me to put an external car voltage regulator, the original here is totally unavailable and maybe it's a fine solution to have an easy part replacement. We should find a proper place to install it.
Anyway next week I'll take him the bike and he will check what really is the problem. Tomorrow should arrive the new battery, I will connect it and see if at least the lights turns on...

ps.: all newer bikes have the voltage regulator EXTERNALLY, why this had to have it internally ??
I speculate that it was to reduce the engine package. Stator/Generators are smaller.
It's alive !!!, the new Motobatt came, and with it, the light and the starter motor are back.
Anyway I'll take it to the electrician, I guess for about 2 km the battery will not have a chance to overheat, so I will go riding.
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Hi Blaine, what do you mean with "considering point of manufacturer" :unsure:
Florida. Florida has never been known for high quality manufacturing, & Ive seen batteries do EXACTLY what yours did. Internal short to ground between two contact "plates", "terminals", what ever within the battery itself.

Hooking up a new batt and checking voltage across the terminals @ 3000 rpm will give u a better picture where the failure is coming from. A defective alternator/voltage regulator made by KAWASAKI or an AGM that came from a shit hole State like Florida? :oops::LOL:

Course, the Big Crank batteries I whole heartedly endorse are built in Virginia, :(:oops: so Im not saying much of anything really.... LMAO!! Just think its the battery and NOT your alternator. :cool:(y)
I would be surprised if it was the battery
@92Ninjas you were right...
And you Blaine, you owe an apology to Florida and Jacksonville !! :LOL:, because IT WAS the voltage regulator that killed my almost new Motobatt. With a smooth acceleration to little more than 3000 rpm, the electrical tester jumped instantly to 16 V, and for a safe return to my home (little more than 2 km) the electrician disconnected the alternator.
The next week I will take the bike to his shop, for a conversion to car voltage regulator, and I will install a little digital ammeter that I've purchased, somewhere on the instrumental panel, and also maybe a more accessible plug to disconnect the alternator. I really don't want to be in the same situation again...
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You mean I was wro...wron....wrong? :oops: :oops: :p :whistle:

Glad to hear u got her fixed.... (y)
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You mean I was wro...wron....wrong? :oops: :oops: :p :whistle:

Glad to hear u got her fixed.... (y)
It's okay. I feel like I'm wrong most of the time
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Ahhhh, this is basically what MOPAR had for their older cars, a fusible link. A simple back up, non evasive, easy to install, extra POM points (Peace of Mind)
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