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Old 07-06-2010, 10:42 AM   #1
Grimace
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HELP PLEASE!!

My bike has been setting up for several months, so I had to jump start it to get it going. I have had to do this before, but this time as soon as it is started and even half way warmed up, as soon as I remove the jumper cables it stops running. Is this the alternator? The bike is an 07, but has hardly any miles on it. Maybe it the battery is really dead? WTF.
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Old 07-06-2010, 10:51 AM   #2
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You need to actually charge the battery. You need to put it on a trickle charger first.
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Old 07-06-2010, 10:52 AM   #3
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You can get the battery checked at a shop. Might be due for one. Check that before you start looking to spend money on an alternator or something else.
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Old 07-06-2010, 10:53 AM   #4
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Thanks guys.
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Old 07-06-2010, 10:58 AM   #5
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The charging system doesnt put out enough juice to charge a dead battery. Its only enough to maintain one. If its really dead the jump will only start it then it will die due to low current.
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Old 07-06-2010, 11:25 AM   #6
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bike doesnt have alternator
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Old 07-07-2010, 02:16 PM   #7
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Quote:
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bike doesnt have alternator
the bike does have an alternator. its a stator that puts out alternating current, then a rectifier converts it to dc and regulates the voltage.

stator + rectifier + regulator = alternator.
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Old 07-07-2010, 02:17 PM   #8
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lol
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Old 07-07-2010, 03:11 PM   #9
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Just get longer cables and leave them connected.
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Old 07-07-2010, 03:43 PM   #10
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Garrett used to ride with a jumper box between his legs on his F4i, about 70 miles round trip for at least a couple weeks. Yeah sounds like you battery lost charge, charging will work for a while but it may leave you stranded after a while. Get it checked or learn to push start, its an invaluable trick!
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Old 07-07-2010, 07:34 PM   #11
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Quote:
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Just get longer cables and leave them connected.
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Old 07-07-2010, 08:04 PM   #12
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at 1500 rpm the bike should be able to sustain itself. I've had bikes that sat for 2 yrs and would start right up and idle. The only ones I've seen that dont charge at idle are Kawis w unmaintained batteries and charging systems. The rectifier should allow the proper amount to keep the battery sustained long enough to idle, unless the battery withholds from too much resistance.

If the battery is acting like a load in the circuit then yes it could kill it.

Testing any battery that dead(lights dont turn on) will always fail.

If the static charge of 12.5v cannot be met by the battery sitting wo a load on it, then its time to get a new battery.
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Old 07-07-2010, 08:09 PM   #13
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this has been some good info. I am really glad that I asked.
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Old 07-23-2010, 12:47 AM   #14
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Quote:
Originally Posted by The Trav View Post
the bike does have an alternator. its a stator that puts out alternating current, then a rectifier converts it to dc and regulates the voltage.

stator + rectifier + regulator = alternator.
Thanks for the info. I Really didn't know how the set up was. I guess without the complex pulley system on motorcycles it's not very easy to add in a Alternator/generator. My guess is a stator is a complex version of a lawnmower magneto or something similar?
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Old 07-23-2010, 01:54 AM   #15
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Push it over to my place I have a bad battery charger you can hook it up to and slow charge it.







or I guess you could just take the battery out ;P
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Old 07-23-2010, 12:41 PM   #16
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Quote:
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Push it over to my place I have a bad battery charger you can hook it up to and slow charge it.

Thanks Roger, but I'm a man of no patience. I just bought a new battery and rode it till it was charged.





or I guess you could just take the battery out ;P

Thanks Roger, but I'm a man of no patience. I just bought a new battery and rode it till it was charged.
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