battery wont keep its charge - Honda ATV Forum
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post #1 of 4 (permalink) Old 05-26-2011, 06:17 AM Thread Starter
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battery wont keep its charge

we have a 1986 honda 350 4x4 trx atv and the battery wont keep its charge.
we can charge up the battery and it will go but when the juice is all gone it wont start any suggestions what is wrong.
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post #2 of 4 (permalink) Old 05-26-2011, 08:09 AM
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Fully charge the battery and begin troubleshooting the charging circuit. Manual can be downloaded at the link below in my signature.

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> Click Here for Answers to Cleaning, Compression, Jetting, Carb Issues, Model Specific problems etc.

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1996 TRX300FW - ITP Mudlites Warn XT25 (Current Project)
2001 Suzuki LT A50
2003 TRX300EX
2006 Polaris Sportsman 90 - 2 inch lift
2006 TRX250EX - Maxxis Razrs
2007 Suzuki King Quad 700 4x4 - ITP Mudlite XL
2008 TRX450ER - No Lid, HRC Kit, 162 Main, 45 pilot, 55 leak jet

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post #3 of 4 (permalink) Old 05-26-2011, 08:37 AM
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Welcome to the forums,and take the battery to auto parts store and have them check to see if the battery has a dead ,cell...If battery is good,then you'll check the charging system by starting the atv,disconnecting the battery cable from the battery for a second to see if the engine dies...If it doesn't die,then you're not getting the juice to the battery,it's prolly a loose battery cable/bad connection/corrosion...

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post #4 of 4 (permalink) Old 05-26-2011, 08:44 AM
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Quote:
Originally Posted by Deeperinthabush View Post
l...If battery is good,then you'll check the charging system by starting the atv,disconnecting the battery cable from the battery for a second to see if the engine dies...If it doesn't die,then you're not getting the juice to the battery,it's prolly a loose battery cable/bad connection/corrosion...
Is that safe to do on an ATV? I would be hesitant to disconnect the battery like this on these atvs. I remember years ago, this worked on old cars, but was DEFINITELY frowned upon later because you could fry electronics.

I would test by charging the battery or having it checked as Deeper says (at an auto parts store like Autozone, Advanced or O-reilly's.

If it's good battery, then put it back in the quad and start it up and use a meter. Rev the motor and see if you have 13-15 volts. If it doesn't, time to start testing the charging system (rectifier/stator) etc.

If it's a bad battery, don't just stop there. It could be bad from constantly going dead from the charging circuit. Get a good battery and do the same checks above. If the checks come back good, then it could have just needed a new battery. Batteries to fail when they can't hold a charge.

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> Click Here for Answers to Cleaning, Compression, Jetting, Carb Issues, Model Specific problems etc.

>> Click Here to Download your Service/Repair Manual



1996 TRX300FW - ITP Mudlites Warn XT25 (Current Project)
2001 Suzuki LT A50
2003 TRX300EX
2006 Polaris Sportsman 90 - 2 inch lift
2006 TRX250EX - Maxxis Razrs
2007 Suzuki King Quad 700 4x4 - ITP Mudlite XL
2008 TRX450ER - No Lid, HRC Kit, 162 Main, 45 pilot, 55 leak jet

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