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Old 11-29-2012, 04:24 AM   #1 (permalink)
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Default Strange sounds
Hi guys

Since yesterday, I've been hearing this strange grinding/buzzing noise whenever I twist the throttle, but if I disengage the clutch the noise disappears.

It's not very loud, because at higher rpm the exhaust tone drowns it out.

Could this be bearing related?

Words of wisdom most welcome

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Old 12-03-2012, 09:38 PM   #2 (permalink)
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how old is your bike?
is the noise rpm related?

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Old 12-04-2012, 03:53 PM   #3 (permalink)
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Originally Posted by Island Ninja View Post
how old is your bike?
is the noise rpm related?

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It's a 2011 with around 10000km
I checked today and it doesn't seem to be rpm related
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Old 12-04-2012, 04:16 PM   #4 (permalink)
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Could it be vibration related? like something lose ?

Other than maybe a worn clutch bearing ? I don't have a lot of experience with bikes on a car this would be my diagnosis , a video or a .recording would help.
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Old 12-05-2012, 06:49 PM   #5 (permalink)
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When it starts to make the noise, try putting a finger on the brake and clutch levers. Those can sometimes make noise when they vibrate.

-Will
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Old 12-06-2012, 03:27 AM   #6 (permalink)
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When it starts to make the noise, try putting a finger on the brake and clutch levers. Those can sometimes make noise when they vibrate.

-Will

I'll give that a try on my way home today and let you guys know.
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Old 12-06-2012, 06:22 AM   #7 (permalink)
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My fuel cap sometimes has some vibrations. Press down on it too. Mine started around. 2,000 miles.

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Old 12-11-2012, 01:21 AM   #8 (permalink)
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had the same problem with my bike.. ended up it is the new short levers that I have installed. The right side lever's "expandable" potion is a bit loose, which creates the buzzing sound.
My friend's case is cause his exhaust was fitted a bit loose, which causes the buzzing sound.
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Old 12-11-2012, 06:42 AM   #9 (permalink)
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Levers, your key/keys, lights, cables, fairings, everything can buz from vibration of the engine lol, you can let it drive you crazy or just ignore it. Unless you think it is a mechanical malfunction then you might wanna try to pinpoint the noise.

My head light buzzes. I heard it a couple of times then I decided to find it. While riding, just start touching things with a firm pressure and see if the noise changes or goes away. I'm going to add in some rubber washers at the mounting points hopefully solves my problem.
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