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Author Topic: Whirring noise while riding  (Read 221 times)

Offline AJ Huff

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Whirring noise while riding
« on: October 16, 2025, 04:52:25 PM »
2001 Cal Spec

I hear a whirring noise while riding. Is this normal? I always ride with ear plugs so I don't know if it's always been there or something new. I noticed it today at stops. Sitting on the bike it sounds like a fan running. In the garage, helmet off and an ear plugs out, I'd say it comes from the front of the bike. Alternator? Fuel pump?

Thanks,

-AJ
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Offline n3303j

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Re: Whirring noise while riding
« Reply #1 on: October 16, 2025, 05:29:47 PM »
Cam timing chain tensioner?
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Offline Motormike

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Re: Whirring noise while riding
« Reply #2 on: October 16, 2025, 05:30:25 PM »
I had a BMW once that developed an ever-increasing whine from behind me. Really annoying.   I fixed it by buying a one-way ticket and dropping her off at the airport.  Bike was nice a quiet after that! :evil: :wink:
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Offline Vagrant

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Re: Whirring noise while riding
« Reply #3 on: October 16, 2025, 07:13:46 PM »
Pull the fuel pump fuse while running and see if it stops. How many miles on it.
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Offline AJ Huff

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Re: Whirring noise while riding
« Reply #4 on: October 16, 2025, 07:53:55 PM »
Quote from: Vagrant on October 16, 2025, 07:13:46 PM
Pull the fuel pump fuse while running and see if it stops. How many miles on it.

40K

-AJ
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