stator 'half-dead'?
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Road Captain
Joined: Jun 2008
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From: Lagoa - VNF
stator 'half-dead'?
Today out of the blue (pretty sure bike was normal last time I rode it) my '13 ultra showed low voltage. normally it would be pegged at ~14 in the panel but now it drops as low as 10 at idle, and goes up as the RPMs go up.
Back to home I go, unplug the stator wires, no short to ground, ohms read normal, however the voltage it puts out on all coils is only 7.2-ish at idle, way lower than normal. is it a thing for a stator to be 'half-dead' like this, no shorts or opens but low voltage out of the blue?
no time to fix it myself so I guess off to the mechanic it goes tomorrow... sigh.
Back to home I go, unplug the stator wires, no short to ground, ohms read normal, however the voltage it puts out on all coils is only 7.2-ish at idle, way lower than normal. is it a thing for a stator to be 'half-dead' like this, no shorts or opens but low voltage out of the blue?
no time to fix it myself so I guess off to the mechanic it goes tomorrow... sigh.
Seasoned HDF Member
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From: backwoods
How many miles on bike? With primary off i would replace primary bearing and tranny shifter seals if it hasn't been done before.
Not that I am convinced it is stator, with out knowing ac out put
Not that I am convinced it is stator, with out knowing ac out put
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From: Carlsbad, CA
That seems to say he is measuring output of the stator.
So,op is that AC voltage from the stator?
So,op is that AC voltage from the stator?
Seasoned HDF Member
Joined: Nov 2006
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From: East Coast, USA
Today out of the blue (pretty sure bike was normal last time I rode it) my '13 ultra showed low voltage. normally it would be pegged at ~14 in the panel but now it drops as low as 10 at idle, and goes up as the RPMs go up.
Back to home I go, unplug the stator wires, no short to ground, ohms read normal, however the voltage it puts out on all coils is only 7.2-ish at idle, way lower than normal. is it a thing for a stator to be 'half-dead' like this, no shorts or opens but low voltage out of the blue?
no time to fix it myself so I guess off to the mechanic it goes tomorrow... sigh.
Back to home I go, unplug the stator wires, no short to ground, ohms read normal, however the voltage it puts out on all coils is only 7.2-ish at idle, way lower than normal. is it a thing for a stator to be 'half-dead' like this, no shorts or opens but low voltage out of the blue?
no time to fix it myself so I guess off to the mechanic it goes tomorrow... sigh.
https://cycleelectricinc.com/RECTIFIER.html#CE-600
This past March, on a lunch run I noticed the needle jumping a bit on my voltage gauge. A little while later, it would read normally. After lunch my 2011 Ultra wouldn't start. Friend had a jump pack and we got the bike started, Ram some tests when I got home and everything tested out OK. I wasn't convinced. Ordered and installed a Cycle Electric CE-607 voltage regulator and haven't had a problem since then. Bike had 218,580 miles on it when I replaced the original voltage regulator. I have over 20,000 on the new one without any problems. When I see/experience a strange electrical problem, I try to track it down and repair it. FYI, I'm still running with the original stator on the bike.
I believe the stock stator is rated at: 6-23 VAC per 1000 RPM (check your service manual)
Run the engine at 2000 rpm. The VAC output should be 32-46 VAC.
Last edited by LQQK_OUT; Sep 1, 2024 at 12:36 PM.
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Road Captain
Joined: Jun 2008
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From: Lagoa - VNF
and yes that is the stator (disconnected, bike running on battery only)
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From: backwoods
4x20 is 80.
6-23???? If you want to insult me,get your crap together
Last edited by Rounders; Sep 1, 2024 at 01:26 PM.