Bike does not charge at high rpm

[machstang]

For about a year i have been running a HHB charging system. It seems as of lately the bike does not charge at high rpm. At idle I get about 12-13v as soon as I bring the RPMs up the output voltage drops to about 6 volts. Not really sure what to test here. I'm assuming I have a bad reg/rec as I swapped out my stator with a spare with no resolve.

 

[TwoManyXS1Bs]

Poured thru your previous posts to figure out what you're working with.
Appears to be a mostly stock 1979 model, with HHB PMA kit installation.

RG had a suggestion to check your reg/rec cooling here:

http://www.xs650.com/forum/showpost.php?p=370353&postcount=25

Other things come to mind:

- PMA rotor slipping on crankshaft
- Vibration induced intermittant connectivity
- Faulty/failed reg/rec

 

[XSLeo]

I don't know the answer but that problem seems to crop up a lot lately.
Leo

 

[chizler62]

Check for two leads being shorted to one another. Solder joints and insulated covers aren't dull, cut, burnt etc

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