Loud Buzzing Getting Worse - Kawasaki KLR 650 Forum
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post #1 of 16 Old 11-03-2012, 08:44 PM Thread Starter
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Loud Buzzing Getting Worse

I took my '11 on an 80 - 90 mile loop yesterday, over a variety of highways and all was well....for the most part. (still a little shaky and cautious but sure was enjoying laying into those S turns) Slowed down coming into town and could hear a buzzing noise. OK, it was dark, park the bike and come back to it in the morning.

This morning I fired it up to run some errands and the buzzing was louder. By the time I got around to looking at it, it was loud enuf to cause concern.

You know when you're trying to force a transmission into gear without using the clutch ?? The edges of the gears just touching makes a distinctive grating noise - just before things break. This sounds pretty much in that category but with "plastic gears," so to speak.

All the instruments read steady and solid, so not a speedo cable or the like. I pulled the stock windshield out from under the Lip, fired it up and revved the engine. Buzzing was right under my nose, so I reached down below the instrument cluster housing and started pushing and pulling - gently - at things.

When I lifted up on the instrument cluster the buzzing stopped. Let go - buzzing again. Everything I could reach seemed tight, considering it's all mounted in rubber. Before I tear into it and f**k something up, has anyone gone thru this ?? I've been reading on forums over the last few weeks until I'm nearly cross-eyed but haven't seen anything on a topic like this.

Coming home tonight it was much louder and I'm getting - have gotten - concerned.

Thanks...........Lar.
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post #2 of 16 Old 11-03-2012, 09:09 PM
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You're not missing any screws from the Tupperware, are you? If any of the screws are missing the fairing could be vibrating against the instrument cluster.

T

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post #3 of 16 Old 11-03-2012, 09:21 PM Thread Starter
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Originally Posted by Tom Schmitz View Post
You're not missing any screws from the Tupperware, are you? If any of the screws are missing the fairing could be vibrating against the instrument cluster.

T
Dunno. Threw it out to you guys before diving into the middle of it tomorrow morning, but all of the visible fairing screws were in place including the 2 in the deep wells under the windshield. Yah, the thumper does vibrate. Phew.
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post #4 of 16 Old 11-03-2012, 09:25 PM Thread Starter
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Dunno. Threw it out to you guys before diving into the middle of it tomorrow morning, but all of the visible fairing screws were in place including the 2 in the deep wells under the windshield. Yah, the thumper does vibrate. Phew.
Haha....triggers a memory. Many long years ago while on a Destroyer Escort in the Navy, a guy on our mess deck frequently engaged in an activity that earned him the nickname of "Thumper."
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post #5 of 16 Old 11-03-2012, 10:18 PM
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Could you reach up under the cluster and check to make sure that the speedo cable is tight on the cluster end? It might be a little loose making it buzz and when you picked up on the cluster it might have tightened it up enough to stop it from buzzing... I had to replace the cable on my 08 and I think it was just one of those knurled finger tighten nuts?

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post #6 of 16 Old 11-03-2012, 11:01 PM Thread Starter
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Could you reach up under the cluster and check to make sure that the speedo cable is tight on the cluster end? It might be a little loose making it buzz and when you picked up on the cluster it might have tightened it up enough to stop it from buzzing... I had to replace the cable on my 08 and I think it was just one of those knurled finger tighten nuts?
I'll take a look in the morning and see how it looks.

Thanks............Lar.
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post #7 of 16 Old 11-03-2012, 11:21 PM
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Hi Biglar!

"When I lifted up on the instrument cluster the buzzing stopped. Let go - buzzing again."

In your original post was the bike stationary or moving when you lifted up on the cluster? If you were stationary it is not likely to be the speedo cable as it is not turning when the bike is not moving.
My highway pegs made a strange sound at certain rpms, bike moving or not, that nearly drove me round the bend before I found it.
Regards....justjeff

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post #8 of 16 Old 11-03-2012, 11:27 PM
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Hi Biglar!

"When I lifted up on the instrument cluster the buzzing stopped. Let go - buzzing again."

In your original post was the bike stationary or moving when you lifted up on the cluster? If you were stationary it is not likely to be the speedo cable as it is not turning when the bike is not moving.
My highway pegs made a strange sound at certain rpms, bike moving or not, that nearly drove me round the bend before I found it.
Regards....justjeff
Good call! Indeed, the speedo wouldn't be turning if the bike wasn't moving... Could be crash bars vibrating as well? Loose mount bolt perhaps?

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post #9 of 16 Old 11-03-2012, 11:37 PM
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Good call! Indeed, the speedo wouldn't be turning if the bike wasn't moving... Could be crash bars vibrating as well? Loose mount bolt perhaps?
Absolutely! Those would be some of the first things I would check. Of course nothing ever rattles loose on KLR's or Harleys!
Regards....justjeff

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post #10 of 16 Old 11-03-2012, 11:38 PM Thread Starter
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Good call! Indeed, the speedo wouldn't be turning if the bike wasn't moving... Could be crash bars vibrating as well? Loose mount bolt perhaps?
I mentioned in my original post that the bike was stationary. I hoped someone had run into this in the past and could point me to it. I "will" check in the morning for anything loose but had hoped to avoid taking the whole cluster loose.

I don't have crash bars on the bike.

The buzzing started as a very light thing and has gotten worse as I rode it today to the point where it's distracting.

I'll let you know what I find.
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