almon777
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Posts posted by almon777
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I replaced my OEM regulator with a FH0012AA unit from a Yamaha R1. I bought he FH0012AA used off of ebay. When I first installed it and when I start the bike in the morning the voltage at the battery is 14.3 volts. I was psyched thinking I cured the charging problems I was having. However, I decided to check the voltage when I got home after riding the bike for a while and the voltage moves around from high 12's to mid 13. My question is: DO these regulators put our a constant charging voltage or do they cycle based on how much charge is in the battery? I expected the voltage to stay fairly constant around 14.25 or so. If it's supposed to be constant then I've got a problem, however if the regulator output can vary depending on the state of charge of the battery, then maybe I'm worrying over nothing.
Fyi, I installed the FH0012AA with a wiring harness made for it that goes directly to the battery.
Any thoughts about this would be greatly appreciated!
Thanks!
Al
Shindengen voltage regulator
in Venture and Venture Royale Tech Talk ('83 - '93)
Posted
Thanks for that info. I'm starting to suspect something up in the stator. I have a 2nd battery, behavior is the same with both so that's out. Seems like after some rides the battery is 100% charged, and after other rides it's not charged well at all.
I agree the stator is a more likely item to have intermittent behavior. I'm going to try some testing on the stator and see what I find.
Thanks,
Al