Question about 2000 Honda CBR 929 RR Fireblade

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Charging problem on 2002 929 rr1 blade

Put new battery on bike,only has 8.6ah,dont know if thats powerful enough,but thats what dealer gave me,but bike still has problem of not charging properly,changed regulator/rectifier but dont seem to like charging battery properly when lights are on,checked charging system and seems to be ok voltage,correct readings of about 14.5 volts off load and under load,but wont start if i have done a 60 mile journey with lights on

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  • germanos Dec 05, 2008

    hy i have the same problem i change the battery and after to days battery is dead it doesent charge it at all ! i take the bike to a michaniker and he told me that when the lights ar off it charge probably but when i turn on the lights it doesent the guy could not find the problem and i would like to have some help please!!!! I am in a smoll island in greece so can not find a lot off help here thank you very much for your help!!!



  • Anonymous Mar 21, 2014

    battery wont stay charged with new altinator and battery

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I'm thinking your battery is the wrong ah. 8.6 for that type motorcycle is quite low. I would expect around 12 - 14 ah. Actually you should not be draining the battery though. The problem may be in the alternator assy its self. Have you checked all three legs of the charging system coming from the stator? I have found the stator to be the culprit many times in this situation. The bike should not be draining the battery at all if the alternator is charging correctly. What was the oem battery ah that you replaced?

Posted on Nov 30, 2008

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Hi!

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You can take the bike to a repaire shop and ask them to help you measure if the generator gives enough power to charge the battery or on, the can measure the power on the generator and they can measure the power coming to the battery.

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