Discussion:
charging
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THUFIR HAWAT
2012-12-11 00:08:42 UTC
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How do you know that your charging system works? Basically, if the voltage on the batter reads above 13 when the throttle is twisted?

It's a chinese clone of a Honda, 49cc. Just trying to determine whether the batter is the problem or not.


thanks,

Thufir
User Bp
2012-12-11 04:29:50 UTC
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Post by THUFIR HAWAT
How do you know that your charging system works? Basically, if the voltage on the batter reads above 13 when the throttle is twisted?
13.5 is minimum, 14.5 is a good maximum. Over about 15 volts will
cause problems.

For more details look at Electrosport's website:
http://www.electrosport.com/technical-resources/technical-articles

Good luck,

bob prohaska
Rob Kleinschmidt
2012-12-12 08:12:38 UTC
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Post by THUFIR HAWAT
How do you know that your charging system works? Basically, if the voltage on the batter reads above 13 when the throttle is twisted?
It's a chinese clone of a Honda, 49cc. Just trying to determine whether the batter is the problem or not.
For about $10 or so, you can get a 6 LED monitor, where
each LED lights up at a specific voltage (12, 12.5 ...14).
Find a point in the wiring where there's voltage only when
the bike's turned on and hook up here. Makes a very nice
monitor while you're riding and gives you full time info
on how the charging system's doing.

A good starting point in your troubleshooting would be to
get the battery charged and load tested. After it's charged,
you should see it holding 12.4-12.5 volts or so. If it can't
hold this kind of voltage you may need a new battery.

Also, take a very careful look at the battery cable connections.
A loose + or - cable can fool you into thinking you have a
bad battery or charging system.

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