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Sportster Motorcycle Transmission, Clutch, Primary & Secondary Drive Transmission, Clutch and primary or secondary drive problems, advice, and/or how tos.

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rotor, stator

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  #1  
Old 13th March 2022
NthnlKrse NthnlKrse is offline
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Default Rotor Magnets Grinded Off

I recently had my rotor and clutch taken off and put back on to fix a shifter pawl issue, fast forward a week and now the bike was not starting with a fresh battery so I assumed it was the starter. I removed the primary and find that the magnets on the rotor have been grinded to pieces. - shorturl.at/nxEP8 - Does anyone have an idea of what could have caused this? I do not want to put a new one on a make the same mistake.
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  #2  
Old 13th March 2022
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How did your remove the rotor ? If you bang it with an hammer you might have unglued them.
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  #3  
Old 13th March 2022
NthnlKrse NthnlKrse is offline
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I just pulled on the rotor for a bit and was able to slide it out, we used a pry bar for about a second then decided it probably would not be a good idea. two of the magnets were loose after I took it off but I just slid them back on not really thinking about them moving
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Old 13th March 2022
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Quote:
Originally Posted by NthnlKrse View Post
we used a pry bar for about a second then ….two of the magnets were loose after I took it off
Question answered.
The magnets should never be loose. The crowbar either got them loose or assisted their looseness.
If you find loose magnets in the sprocket, don't put it back on.
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  #5  
Old 13th March 2022
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yeah that makes sense, should of known. Appreciate it
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Old 13th March 2022
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There's an aftermarket piece with sealed magnets, to prevent these magnet failures which are not all that unusual ...

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