looking for expert advise on the charging system on my 2001 honda vt1100?

Question

acting like dead batary. replaced battary - runs for a week or so, and dies at freway speeds. Acts like out opf gas, but there is plenty of gas. When I re-start it, it now acts like dead batary.

Answer 1

how are you starting with a dead battery, sounds to me that the fuel pump is going

Answer 2

Magneto permanent magnets moving past the stator coils create the electricity we need to run the lights, charge the battery, etc. But you can't change the strength of a permanent magnet. So regulating the generator output is not a straightforward issue of turning the field magnet strength up or down, the voltage regulator take the approach of shunting excess generated power to ground to distribute the voltage evenly.

A typical magneto produces 30-50 amps at max power. So the regulator is designed to dissipate a maximum of about 700 watts for short periods. In practice, it'll fry the regulator very fast, they don't like to dissipate more than about 200 watts for any length of time.

To dissipate the access voltage/heat generates by regulator is to clean all electrical connectors where ever you can you may want to add a couple of bright lights, check for damaged wires around the generator. Since the regulator only handles power output beyond the bike's demands, installing more demands means that the regulator does less .

You may need a multimeter ($6-$10 @Harbor Freight, accuracy +/- 3% which is good) to check the voltage out put from the generator when engine's running (13.5 volts +/-, not sure the exact #).

If that was the case, the brand new battery may needs a second look, it may not be as good as "new".

Hope that helps!I
http://www.electrosport.com/Images/fault_finding.pdf

Answer 3

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Answer 4

you need a cheap Volt-Ohm Meter!
if you do not have a meter ur only guessing whats wrong!
if i had to guess its a bad ground somewhere or a weak or corroded electrical connection inside one of the electrical harness plugs!
I give you guys good advice by telling you to use Di-Electric Grease in those plug connectors, but NOOOOOOO you don't listen to me, then when you have problems, they turn into big problems!

Answer 5

Either bad stator or regulator/rectifier.
They'll have to be tested.
For directions, purchase a shop manual.
http://www.motocom.com/motorcycles/