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Anonymous Posted on Jun 15, 2013

Charging system problems

New battery in bike lose charge over night

5 Related Answers

Anonymous

  • 2712 Answers
  • Posted on Nov 10, 2008

SOURCE: Help: 93 750 supersport wiring diagram or charging system info?

tons of Italian spice at a budget price. Mine has nearly 20k on it. I would also take tire advice if anybody has any. Since the bike is down I am going to change those too. Mostly commuting some day trips and always ride in the rain. Thanks much.We're going to need some more info. How old is the battery? The battery won't hold a charge or the charging system doesn't put enough energy back to the battery to restart it after running for a while? Check all your electrical connections battery terminals, solenoid, starter, and engine/frame back to ground. On the left engine side cover is a heavy gauge cable from the altenator. Follow that wire to some push connectors. Check around the connections for burned or brittle wire insulation. Check the regulator/recifier (R/R), aluminum block with fins, wiring as well. It wouldn't be unreasonable, on a '93, to expect that it may need a new stator and R/R.,,,

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Anonymous

  • 2712 Answers
  • Posted on Nov 10, 2008

SOURCE: Help: 93 750 supersport wiring diagram or charging system info?

tons of Italian spice at a budget price. Mine has nearly 20k on it. I would also take tire advice if anybody has any. Since the bike is down I am going to change those too. Mostly commuting some day trips and always ride in the rain. Thanks much.We're going to need some more info. How old is the battery? The battery won't hold a charge or the charging system doesn't put enough energy back to the battery to restart it after running for a while? Check all your electrical connections battery terminals, solenoid, starter, and engine/frame back to ground. On the left engine side cover is a heavy gauge cable from the altenator. Follow that wire to some push connectors. Check around the connections for burned or brittle wire insulation. Check the regulator/recifier (R/R), aluminum block with fins, wiring as well. It wouldn't be unreasonable, on a '93, to expect that it may need a new stator and R/R.,,,

Anonymous

  • 2336 Answers
  • Posted on Nov 10, 2008

SOURCE: charging system

I think 13.26 is very good for a bike of it's age. Especially charging a bigger cell battery such as a car battery! I wouldn't worry to much about your charging system looks to be doing just fine. almost sounds like your bike needs to be taken out for a Relief of sitting run.

Anonymous

  • 83 Answers
  • Posted on Nov 30, 2008

SOURCE: charging problem on 2002 929 rr1 blade

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?

seakish

  • 492 Answers
  • Posted on Apr 30, 2009

SOURCE: 08 650 executive, new battery but charging system doesn't charge

Your running off the battery until it dies. Check your chargng system. It should put out 13.0-14.5 volts. If not then the current will flow from what ever source has the most voltage. Thus, your dead battery. Try changing he voltage regulator and then check the stator next. Sometime stators can have burned section on them and reduce the voltage produced to the battery. Also check for really good connectin to the terminals. This can rob current and voltage by upt o 40%.

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On the ride the battery gets drained of power. When the battery loses power the bike loses revs. Is this the regulator and how do I test it or is there something else to check?

Same thing happened to me. It turned out to be a corroded connection from the alternator that snapped off when inspected. The first thing to check is battery condition. A fully charged battery should be around 12.5 volts. When the engine is running the voltage should increase to around 14.5 volts. If it does increase then your charging system is working as it should and the problem lies elsewhere (possibly a battery that is past its best and needs replacing). If it doesn't increase the voltage, then chec the wires from your alternator (ther should be 2 wires) and follow these to the junction connector. This was where mine was badly corroded. I used more cable to bypass this connection and my problem was fixed. I then replaced the connections with new ones and all is fine. The bright yellow straw is pointing to the corrosion problem. Hope this is of help as totally replacing your alternator isn't cheap.

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First find out if its the battery going bad or charging system. Connect a voltmeter to the battery terminals while bike running, rev engine. If over 13 volts for more than 10 secs the charging is fine, and you should replace the battery. If charging system is bad its either the rectifier (easy to change for a second-hand one) or the alternator - difficult to replace.
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Battery draining

i had this problem, it was my electrics, when i was running the bike it was ment to be charging it but it wasnt, get your electrics checked?
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What makes the battery lose power as i ride

Everything electrical, lights, computer, you should plug your bike up each night to a battery tender, it will make your battery last longer also. Sport bikes have no alternator to recharge system battery. I love my gel cell battery it last a long time and you dont have to worry about any chemicals/leakage. fast charging also
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My Acer Aspire one dosent charge completely to 100%, it stops at 87%. I have tried letting the battery run down completely, then starting a new charging process. formally it charges to 100%, then 3 days...

Hello.

From your description, your battery is losing its charge and needs to be replaced.

I'm experiencing charging problems with my own system and I noticed that the A/C adapter is very slightly frayed. So, check your A/C adapter as well and be certain that it is charging when you leave your system charging overnight. If you are still experiencing a problem, replace your battery.

Hope this helps.
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Dropping cylinder at 10rpm and possible generator /stater problem

It seems the charging system of your bike is not working
Recharge the battery and thn fit it in the bike and start it and check the charging rate.
Remember with lights 'on' it drains power from the battery butthe charging system of theengine takes over i.e. if its working alright, with your explanation, its for sure the charging system is not functioning.
Chekc the altenator and the rectifier.
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Bikes dead!! Battery wont charge, been charging all night Help!

You didn't mention if you charged the battery in- or out of the bike. If H-D has a modern alternator, it may have failed diodes that are draining the battery and stealing charge current if charged while connected. If the battery was made in China . . . oh, well.
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My phone battery died, and I plugged it into the charger over night, and when I woke up in the morning it didn't charge it any. I tried a different outlet, and it still didn't charge.

actually the batteries should not be over charged..

once the charge is full you should stop charging it more..
it you leave it over-night the battery will lose its back-up

you should try a new battery..
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