Charging
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Cruiser
Joined: Oct 2007
Posts: 136
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From: The Florida Keys
Charging
If you put a voltage meter on the battery should the reading go up when you start the bike and rev it up like a car does?
Last edited by DENGUY; Jul 3, 2011 at 02:41 PM.
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Cruiser
Joined: Oct 2007
Posts: 136
Likes: 0
From: The Florida Keys
All of a sudden it's cranking slow and barely catching. Put the meter on the battery and then start it and the reading doesn't change when I rev it. The headlight doesn't react. Could it be the regulator??
using analog needle meter, looks like about 11Vs when off, doesn't change when it starts and revs.
using analog needle meter, looks like about 11Vs when off, doesn't change when it starts and revs.
Last edited by DENGUY; Jul 3, 2011 at 03:02 PM.
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Cruiser
Joined: Oct 2007
Posts: 136
Likes: 0
From: The Florida Keys
I put a charger on it for a while and it showed 12.5Vs and 75% charged. It started pretty easy one time and dropped to 25% charged. I think it is time for a new battery after 2+ years in the Florida Keys heat.
Club Member
Joined: Feb 2007
Posts: 16,320
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From: Boynton Beach, FloriDuh
With the bike running at a fast idle, you should see a minimum of 13.5 VDC across the battery. Less than that, and something in the charging circuit (regulator and/or stator) is bad.
Road Captain
Joined: Jul 2009
Posts: 583
Likes: 2
From: Eaton, OH
If the voltage does not increase at 2,000 RPM or so, then there's a good chance your charging system is not functioning properly. You will need to evaluate the charging system to determine what is wrong.
Unless you address the charging system, a new battery will not make any difference. It will go dead too the same as the current battery, provided the charging system is not functioning properly.
Unless you address the charging system, a new battery will not make any difference. It will go dead too the same as the current battery, provided the charging system is not functioning properly.
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