evo not charging battery
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Novice
Joined: Jun 2013
Posts: 22
Likes: 0
From: Commerce City
evo not charging battery
I am pretty sure my stator failed, but i wanted to run it by you guys and see if you agree.
My battery is not charging when the bike runs.
Using multimeter on the battery posts I get 12.75 volts when the engine is not running. I start the engine and rev it up, no change, stays steady at 12.75.
With the engine running, I pull the regulate plug off the primary chain case cover. I put multimeter probes (set to ac volts) in the sockets located on the outside of the primary chain case and get no reading. I rev up the engine, still nothing coming from those sockets.
My service manual seems to indicate i should get some type of volts, but i get absolutely nothing. That is why i am unsure.
By the procedures in the service manual, the regulator seems to check out fine. The stator is not grounded and there is no continuity between the sockets on the primary chain case cover.
Any thoughts?
My battery is not charging when the bike runs.
Using multimeter on the battery posts I get 12.75 volts when the engine is not running. I start the engine and rev it up, no change, stays steady at 12.75.
With the engine running, I pull the regulate plug off the primary chain case cover. I put multimeter probes (set to ac volts) in the sockets located on the outside of the primary chain case and get no reading. I rev up the engine, still nothing coming from those sockets.
My service manual seems to indicate i should get some type of volts, but i get absolutely nothing. That is why i am unsure.
By the procedures in the service manual, the regulator seems to check out fine. The stator is not grounded and there is no continuity between the sockets on the primary chain case cover.
Any thoughts?
Cruiser
Joined: Aug 2012
Posts: 119
Likes: 9
From: Lake Helen, Florida
Boy, all that sounds like deja vu to me. Went through that twice on mine in that last few years.
Sure sounds like the stator to me. But to be sure see Dr. Hess's sticky on "How to diagnose your charging system". All the info you need is right there.
Sure sounds like the stator to me. But to be sure see Dr. Hess's sticky on "How to diagnose your charging system". All the info you need is right there.
Road Master
Joined: Oct 2011
Posts: 957
Likes: 2
From: Carlsbad Springs Ontario
no charge.
I am pretty sure my stator failed, but i wanted to run it by you guys and see if you agree.
My battery is not charging when the bike runs.
Using multimeter on the battery posts I get 12.75 volts when the engine is not running. I start the engine and rev it up, no change, stays steady at 12.75.
With the engine running, I pull the regulate plug off the primary chain case cover. I put multimeter probes (set to ac volts) in the sockets located on the outside of the primary chain case and get no reading. I rev up the engine, still nothing coming from those sockets.
My service manual seems to indicate i should get some type of volts, but i get absolutely nothing. That is why i am unsure.
By the procedures in the service manual, the regulator seems to check out fine. The stator is not grounded and there is no continuity between the sockets on the primary chain case cover.
Any thoughts?
My battery is not charging when the bike runs.
Using multimeter on the battery posts I get 12.75 volts when the engine is not running. I start the engine and rev it up, no change, stays steady at 12.75.
With the engine running, I pull the regulate plug off the primary chain case cover. I put multimeter probes (set to ac volts) in the sockets located on the outside of the primary chain case and get no reading. I rev up the engine, still nothing coming from those sockets.
My service manual seems to indicate i should get some type of volts, but i get absolutely nothing. That is why i am unsure.
By the procedures in the service manual, the regulator seems to check out fine. The stator is not grounded and there is no continuity between the sockets on the primary chain case cover.
Any thoughts?
An intermittant short to ground caused by a worn grommet on the primary case is usually the culprit. Remove the primary cover and inspect the stator for obvious heat damage to the coils , inspect the output cable for grounding to the case at the grommet.
Road Captain
Joined: Jul 2014
Posts: 721
Likes: 18
From: Galesville, WI
I had a similar issue a while back and thought my stator had failed. Turns out that when I was changing out my levers and adjusting the clutch cable, I had knocked the plug connector loose from the stator on the front of the primary. Mine does not have a very tight connection after all these years and comes off rather easily. That was a huge sigh of relief when finding that saved me $400.
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May I suggest that you replace the stator and the stator rotor. Easy job can be done within one afternoon.
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