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Offline gufazi

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Rattle noise between 2500-3500 rpms
« on: December 13, 2018, 10:22:02 PM »
A quick preface: 2017 XCX.  I usually ride with full-face & ear plugs. Recent 10k service.

On a recent ride with no ear plugs, I noticed an obvious, but not obnoxiously loud tingy rattle while accelerating between 2500 and 3500 rpms.  Very consistent, but with no obvious vibration association. At first I thought it was my keys rattling on my risers. The engine can be cold or warm and the sound can't be replicated on its center stand and in neutral. Its possible it has always been there, and just hearing it now because I'm sensitive after a less-than-stellar dealer 10k service experience.

Of course now I can't NOT hear it, even with plugs in. Anyone else notice something similar?
« Last Edit: December 13, 2018, 10:42:22 PM by gufazi »

Offline CaptainTrips

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Re: Rattle noise between 2500-3500 rpms
« Reply #1 on: December 13, 2018, 10:57:35 PM »
*Originally Posted by gufazi [+]
A quick preface: 2017 XCX.  I usually ride with full-face & ear plugs. Recent 10k service.

On a recent ride with no ear plugs, I noticed an obvious, but not obnoxiously loud tingy rattle while accelerating between 2500 and 3500 rpms.  Very consistent, but with no obvious vibration association. At first I thought it was my keys rattling on my risers. The engine can be cold or warm and the sound can't be replicated on its center stand and in neutral. Its possible it has always been there, and just hearing it now because I'm sensitive after a less-than-stellar dealer 10k service experience.

Of course now I can't NOT hear it, even with plugs in. Anyone else notice something similar?
There are a couple of threads on here somewhere about the plastic 'ears' of the front fairing (above the turn signals) having plastic inserts that rattle. Apparently, double-sided tape is the cure.
"The test of the machine is the satisfaction it gives you. There isn't any other test."   --   Robert M. Pirsig

Offline gufazi

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Re: Rattle noise between 2500-3500 rpms
« Reply #2 on: December 13, 2018, 11:02:13 PM »
Thanks, I'll look into that.  I checked a lot of "noise" threads but must of missed that one. 

I'd say my noise is lower and more metallic than ears around the signals.

Online Icy

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Offline Vin829

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Re: Rattle noise between 2500-3500 rpms
« Reply #4 on: December 14, 2018, 04:06:19 AM »
My 2018 has a noise at that rom range too. It is not the plastic ears. Still can’t find it and it’s driving me nuts

Offline Will Morgan

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Re: Rattle noise between 2500-3500 rpms
« Reply #5 on: December 14, 2018, 08:43:05 AM »
Plastic bodywork might not be the source of the noise but it can amplify it dramatically. Check there are no cables, connectors etc rattling behind the panels either side of the steering head or under fuel tank.....and of course check the panel fixings like plastic rivets, captive nut clips etc.

Offline Vin829

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Re: Rattle noise between 2500-3500 rpms
« Reply #6 on: December 14, 2018, 02:28:07 PM »
I’ve taken every piece of plastic body work off and roadtested. Still there. I just hope it isn’t mechanical. I don’t hear it just free Reving the engine

Online Icy

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Re: Rattle noise between 2500-3500 rpms
« Reply #7 on: December 14, 2018, 03:01:35 PM »
*Originally Posted by Vin829 [+]
I’ve taken every piece of plastic body work off and roadtested. Still there. I just hope it isn’t mechanical. I don’t hear it just free Reving the engine

Man, that would drive me mad... You sure it's not a loose nut / washer type of thing? But then again that'd be heard free revving...
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Offline CaptainTrips

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Re: Rattle noise between 2500-3500 rpms
« Reply #8 on: December 14, 2018, 05:43:47 PM »
Retorque the exhaust headers.
"The test of the machine is the satisfaction it gives you. There isn't any other test."   --   Robert M. Pirsig

Offline Vin829

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Re: Rattle noise between 2500-3500 rpms
« Reply #9 on: December 14, 2018, 06:38:23 PM »
*Originally Posted by CaptainTrips [+]
Retorque the exhaust headers.

By chance have the torque spec?

 


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