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Electrical issue

Old 07-15-2011, 11:37 PM
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Electrical issue

here is the story. I went to ride my bike on thursday and the battery was dead. Charged it this morning rode to work no issues. Put about 100 miles on after work and then my battery was smoking. I pulled the battery and its hot. Battery is probably fried and no good. But where do I start. Obviously something is causing a draw which killed the battery but what is causing it to heat up and smoke?
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Old 07-15-2011, 11:48 PM
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The regulator\rectifier is toast. You also should check all the ground points and connectors on the wiring harness.
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Old 07-16-2011, 03:40 AM
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I was wondering if that was the problem as I had to replace the one on my cbr as well. Is this a common problem with these? Is there a recommendation to use one out of another bike?

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Old 07-16-2011, 05:40 AM
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very common problem... many solutions for this use the search function there are hundreds of posts on this topic
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Old 07-16-2011, 05:40 AM
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mine has roasted itself many times and you have the same symptoms
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Old 07-16-2011, 06:06 AM
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I have replaced the regulator. I'm getting 14v the battery but I'm getting a clicking noise when trying to start. But the bike will bump start. Did I fry the battery or is something else wrong?
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Old 07-16-2011, 06:31 AM
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Originally Posted by MikeMcW View Post
I have replaced the regulator. I'm getting 14v the battery but I'm getting a clicking noise when trying to start. But the bike will bump start. Did I fry the battery or is something else wrong?
Are all of your lights and electrical on? You probably should check through your fuses (including the main, which is located in a different spot). You may have fried your starter relay or something which is why the starter isn't working.
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Old 07-16-2011, 08:26 AM
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The battery was bad. It was reading 14v but when put on a load tester it dropped to nothing. Put a new battery in and we are up and running.
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Old 07-16-2011, 08:47 AM
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Originally Posted by MikeMcW View Post
I have replaced the regulator. I'm getting 14v the battery but I'm getting a clicking noise when trying to start. But the bike will bump start. Did I fry the battery or is something else wrong?
what kind of R/R did you replace the stock one with? In the long run a finned/mosfet type is the way to go...and yes the battery will almost always be fried after your R/R goes bad. Glad you got her up and running again. I had the same thing happen to me two times while riding down the road, it was shittastic.
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Old 07-16-2011, 08:59 AM
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if your battery was smoking or bulging and steaming chances are even if you get 14 volts there could be 1 or a few dead cells and your battery is fried...

most auto parts stores will load test your battery for free and if you cant find any paperwork on the battery and it doesnt say on the battery I think its around 100 to 140 cranking amps.
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Old 07-16-2011, 10:28 AM
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If you just put a new battery in without fixing the cause of the problem, it will be fried in no time flat.
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Old 07-16-2011, 11:12 AM
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This charging-system troubleshooting flowchart helped me.
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Old 07-17-2011, 07:06 PM
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I intended to use a MOSFET rr but the cycle store in the area I was in had a used stock one. So I got that installed with a battery and have put on 200 milesvwithout any issues.
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