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Charging system weak

joefoster

CB750 Member
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Nashville, TN
1981 CB750C - I have replaced stator, rotor, rectifier/regulator, battery, starter solenoid (a previous owner REMOVED the fuse and hard-wired the solenoid :banghead:), and I have inspected and clean all connectors to which I have access - the battery is STILL not charging. The highest voltage across the battery while running is 13.0 volts at 6500 RPM. Every test I have tried returns expected readings. It eventually drains the battery. I am at my wits end here - anyone have other suggestions or thoughts? I tired of working and not riding :mad:
 
Worthless test on these. It can charge at idle and then drop off to zero at higher, the rotors are well known for it.
 
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