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I just noticed a weird noise when I rev the bike up or when I’m accelerating. I have no clue what it is and there’s nothing on the internet about it. I’m a little stressed out about it and any help would be appreciated. It's an 08 with just over 16k miles on it. Rides fine but that noise definitely wasn't there yesterday.



 

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I just noticed a weird noise when I rev the bike up or when I’m accelerating. I have no clue what it is and there’s nothing on the internet about it. I’m a little stressed out about it and any help would be appreciated. It's an 08 with just over 16k miles on it. Rides fine but that noise definitely wasn't there yesterday.



Miles on the bike? How did you ride yesterday? Hard? First thing I would do is change oil, and check for metal flakes. Be sure to use quality oil. If the sound remains, report back.


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Is there a bunch of aluminum in your oil? IIRC, the guides can wear and the chain can start to dig into the motor. Sounds like that's what's happening in there to me.
 
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