Stator Failure
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Road Master
Joined: Nov 2013
Posts: 852
Likes: 54
From: Dallas tx
Stator Failure
Does anyone know the true cause of stator failure? It's a very common (and expensive) failure and it seems they don't last much longer than 20K miles. I've done quite a bit of searching, but haven't found a definitive answer..
Stellar HDF Member
Joined: Oct 2009
Posts: 2,054
Likes: 26
From: Florida
Wish I had an answer to a question like. Even my experience is not relative to yours. I just changed out my stator which lasted over 63K miles. I did the work myself so I didn't pay for labor. I can understand that if you take it to a shop it'll cost ya big time. If I did have someone do it I'd go with Harley. When I called around about this job (before I just decided to do it myself) they said they could diagnose it and only replace what was faulty. The local indy said that if they did the work they would only do it by replacing the stator, rotor and regulator all at once. So even though their rates were lower, they were more expensive than Harley because they they were going to insist that I spend almost 300 on parts that I didn't need to replace.
Another thing I did is not listen to all the opinions about after market stators and stuck with stock Harley. The first one lasted me 6 years so I didn't see any need to be experimenting with unfamiliar brands.
Road Captain
Joined: Aug 2014
Posts: 675
Likes: 110
The biggest enemy of stators is heat. It breaks down the insulation between windings. Failure of other electrical components like rectifiers and regulators can cause a sudden high load and take out a stator. An old weak battery that is constantly charging at a high rate is not good either. Also, don't bypass any fuses.
Dan
Dan
Last edited by Just Dan; Apr 27, 2015 at 05:51 PM.
Outstanding HDF Member
Joined: May 2009
Posts: 2,932
Likes: 32
From: Broomfield, CO
The biggest enemy of stators is heat. It breaks down the insulation between windings. Failure of other electrical components like rectifiers and regulators can cause a sudden high load and take out a stator. An old weak battery that is constantly charging at a high rate is not good either. Also, don't bypass any fuses.
Dan
Dan
My stator lasted 98,000 miles and 13 1/2 years before I replaced it. Insulation on the wiring burned due to high voltage. I replaced it myself and replaced the voltage regulator at the same time.
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Road Master
Joined: Nov 2013
Posts: 852
Likes: 54
From: Dallas tx
Well I replaced mine at 23K miles. A buddy that I was riding with had his go out at the same time. Since we largely ride together our mileage since then has been about the same. Well his stator went out again. My bike has 50k miles on it so thats 27k since I replaced it and about the same for him. Since his went out, I'm now wondering if mine is due.
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