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Author Topic: ST making buzzing noise on right side at high speed and rpm  (Read 3011 times)

Offline curious1

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ST making buzzing noise on right side at high speed and rpm
« on: October 18, 2021, 03:00:02 PM »
I just recently re-registered my ST and on my 1st ride I went past 5k rpm and 90kmh and the bike started a noise I never heard before. I removed my ear plugs to get a better understanding what goes on but all what I can conclude is a loud buzzing noise on the right side which stops when I drop the speed below 90k. If I keep speed above this the noise is continues and no change of pitch with speed/rpm variation, any suggestion will be much appreciated because at the moment I am lost for any idea for further investigation. At 80k the bike runs smooth and no extra noise at all.
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Online Brock

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Re: ST making buzzing noise on right side at high speed and rpm
« Reply #1 on: October 18, 2021, 03:16:19 PM »
Could be  the RH exhaust shield with a crack at the front bolt hole..Not uncommon.
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Offline West Aussie Glen

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Re: ST making buzzing noise on right side at high speed and rpm
« Reply #2 on: October 18, 2021, 07:51:38 PM »
Is it an 11 or 13?
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Offline Shiney

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Re: ST making buzzing noise on right side at high speed and rpm
« Reply #3 on: October 18, 2021, 08:33:10 PM »
Could it be something in the pie warmer or a crack in the Tupperware vibrating?
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Offline Dragonstaff

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Re: ST making buzzing noise on right side at high speed and rpm
« Reply #4 on: October 19, 2021, 09:14:12 AM »
Quote from: Shiney on October 18, 2021, 08:33:10 PM
Could it be something in the pie warmer or a crack in the Tupperware vibrating?

Educate the new guy please.

Pie warmer?
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Online Williamson

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Re: ST making buzzing noise on right side at high speed and rpm
« Reply #5 on: October 19, 2021, 09:24:48 AM »
Quote from: West Aussie Glen on October 18, 2021, 07:51:38 PM
Is it an 11 or 13?

It’s in his signature.
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Online Williamson

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Re: ST making buzzing noise on right side at high speed and rpm
« Reply #6 on: October 19, 2021, 09:26:30 AM »
Quote from: Dragonstaff on October 19, 2021, 09:14:12 AM
Quote from: Shiney on October 18, 2021, 08:33:10 PM
Could it be something in the pie warmer or a crack in the Tupperware vibrating?

Educate the new guy please.

Pie warmer?

Glove boxes, lockable LHS, non-lockable RHS.
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Cheers,  Williamson (AKA Michael)

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Offline StinkyPete

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Re: ST making buzzing noise on right side at high speed and rpm
« Reply #7 on: October 19, 2021, 12:45:56 PM »
Quote from: Dragonstaff on October 19, 2021, 09:14:12 AM

Educate the new guy please.

Pie warmer?

The temps in the glove boxes get very high  (hence Pie Warmers), to the point where I was reluctant to store anything like wallet, camera, credit cards etc.  Good for tools, cleaning cloths etc
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Offline Dragonstaff

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Re: ST making buzzing noise on right side at high speed and rpm
« Reply #8 on: October 19, 2021, 12:48:33 PM »
I see. I haven't noticed that yet, because I keep gloves in one and a hat in the other.
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THERE ARE OLD RIDERS, AND THERE ARE BOLD RIDERS, BUT THERE ARE DAMN FEW OLD AND BOLD RIDERS.

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Offline curious1

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Re: ST making buzzing noise on right side at high speed and rpm
« Reply #9 on: October 19, 2021, 01:44:03 PM »
Thanks for your replies but a cracked exhaust would make a different noise and specially it would change with power setting which it does not do. I will try to record the noise and may that will help.
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Offline Dragonstaff

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Re: ST making buzzing noise on right side at high speed and rpm
« Reply #10 on: October 19, 2021, 01:57:16 PM »
Quote from: curious1 on October 19, 2021, 01:44:03 PM
Thanks for your replies but a cracked exhaust would make a different noise and specially it would change with power setting which it does not do. I will try to record the noise and may that will help.

A cracked exhaust would behave like this, you are quite correct, but a cracked and loose heatshield might be a different story, and Brock did suggest that the heatshield crack was a common fault.
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THERE ARE OLD RIDERS, AND THERE ARE BOLD RIDERS, BUT THERE ARE DAMN FEW OLD AND BOLD RIDERS.

Keep the dirty side down.

2003 ST 1300
1984 1200 Goldwing
1981 GL 500 Silverwing
1980 CX500
(Not all bikes are running at the current time)
 

Online Brock

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Re: ST making buzzing noise on right side at high speed and rpm
« Reply #11 on: October 19, 2021, 02:50:04 PM »
I have never heard of a cracked exhaust, but currently have a cracked heat shield. Its a bit of work to get it off for 10 seconds with the Mig..
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