Comp sprocket
HDF Community Team
Joined: Dec 2005
Posts: 5,376
Likes: 2,574
From: NC USA
If you sure that's not it, check chain tension. Chain may be loose and they an make a chirp when kitting the inner. Worst case, alternator rotor cracked. That's unusual, but I've seen a couple over years.
Grand HDF Member
Joined: Apr 2007
Posts: 3,714
Likes: 3,034
From: Brighton, MI
Had an exhaust heat shield clamp make that noise every once in awhile.
The excess tab of the worm clamp that holds the heat shield to the head pipe was just so slightly rubbing making a chirp at that just perfect RPM. Had to just bend that little excess tab away from the underside of the heat shield and gone forever. If you think it sounds more like it's coming from the left side, don't discount that the noise is coming from the right side. It's funny how the sound bounces around from one side to another.
As far as compensators, I have always been told, that other than obvious wear to the part that you can see, if you shake it and it rattles, it is done.
The excess tab of the worm clamp that holds the heat shield to the head pipe was just so slightly rubbing making a chirp at that just perfect RPM. Had to just bend that little excess tab away from the underside of the heat shield and gone forever. If you think it sounds more like it's coming from the left side, don't discount that the noise is coming from the right side. It's funny how the sound bounces around from one side to another.
As far as compensators, I have always been told, that other than obvious wear to the part that you can see, if you shake it and it rattles, it is done.
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Stellar HDF Member
Joined: Jan 2015
Posts: 2,504
Likes: 150
From: ct
no I can't for sure of that it's definitely a possibility
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Grand HDF Member
Joined: Sep 2022
Posts: 4,253
Likes: 3,670
From: Florida
I’ve noticed a constant sound chirping on rides before..very distracting from the needed wind therapy. I started trouble shooting the issue one variable at a time. I didn’t solve the constant sound but I did diagnose its origin and now understand and try to just be patient and tune it out while riding.
If I really wanted to remove the constant sound I’d tell Mrs. Rainss she can’t talk or ride with me anymore or buy a more sound proof helmet.
If I really wanted to remove the constant sound I’d tell Mrs. Rainss she can’t talk or ride with me anymore or buy a more sound proof helmet.
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Stellar HDF Member
Joined: Aug 2011
Posts: 2,736
Likes: 1,785
From: Newnan, GA
I'm on my 3rd comp. When they wear out I hear grinding noises, and clanking noises, not chirps.
Stellar HDF Member
Joined: Aug 2011
Posts: 2,736
Likes: 1,785
From: Newnan, GA
Ive noticed a constant sound chirping on rides before..very distracting from the needed wind therapy. I started trouble shooting the issue one variable at a time. I didnt solve the constant sound but I did diagnose its origin and now understand and try to just be patient and tune it out while riding.
If I really wanted to remove the constant sound Id tell Mrs. Rainss she cant talk or ride with me anymore or buy a more sound proof helmet.
If I really wanted to remove the constant sound Id tell Mrs. Rainss she cant talk or ride with me anymore or buy a more sound proof helmet.
