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Old 14th July 2016, 15:21   #16
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Default Re: Lesson learnt: When the battery seems to be dead...

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Originally Posted by naveenroy View Post
OK, I am pretty much at my wit's end again! The battery is completely getting drained on my CBR 250R again. I charge it for Rs.50 and if I don't run the bike for 2 days, the battery dies! That means that the bike is not charging the battery when running. What is the exact part that needs replacement in this case? Is that the stator?
You say that the battery is dying if you DON'T run the bike for 2 days. Seems to suggest a short somewhere. Battery is getting drained/discharged even when bike is not running. Had encountered such an issue in my ZMR. Had got the wiring harness changed from a local mech because the so-called Hero honda service center chaps refused to acknowledge or diagnose the problem.
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Old 14th July 2016, 15:27   #17
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Default Re: Lesson learnt: When the battery seems to be dead...

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Originally Posted by naveenroy View Post
OK, I am pretty much at my wit's end again! The battery is completely getting drained on my CBR 250R again. I charge it for Rs.50 and if I don't run the bike for 2 days, the battery dies! That means that the bike is not charging the battery when running. What is the exact part that needs replacement in this case? Is that the stator?
It's the alternator which charges the battery (somebody correct me if I'm wrong). I would also suggest that please check for leakage current which can discharge a battery if left idle for a few days.

The symptoms:
The bike would run fine if ridden daily or alternate days. This means the battery is getting charged since the starter works even if we use it 10 times a day. Leave it idle for a couple of days and the battery drains. This means current leaks from the battery even when the bike is not running. If such is the case then please check the wiring for cuts/rat bites, etc. I had to part with a perfectly good battery in my P180 because I couldn't diagnose the above. Later when I faced the same problem with the new battery, the wiring was checked and we found the culprit there.
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Old 14th July 2016, 19:08   #18
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Default Re: Lesson learnt: When the battery seems to be dead...

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Originally Posted by farhadtarapore View Post
You say that the battery is dying if you DON'T run the bike for 2 days. Seems to suggest a short somewhere.
Thanks! Yup, I am now convinced that there is a problem/short in the wiring. That is probably the most easiest to check.

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Originally Posted by ashis89 View Post
This means current leaks from the battery even when the bike is not running. If such is the case then please check the wiring for cuts/rat bites, etc. I had to part with a perfectly good battery in my P180 because I couldn't diagnose the above. Later when I faced the same problem with the new battery, the wiring was checked and we found the culprit there.
Thanks! Yes, I am gonna check the wiring first and then move on to the R/R to see if there is a problem. I am hoping that is not the case as the R/R is quite costly for the CBR! Another part that might have gone wrong is when the connector gets fried - fusing the wires and this might be causing the drain. Will get it checked soon.
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