Clunking noise going over bumps in brand new CBR - 600RR.net
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post #1 of 13 (permalink) Old 04-09-2017, 03:30 PM Thread Starter
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Clunking noise going over bumps in brand new CBR

2016 600. Bought it brand new and even before it had 1 mile on it I would hear and slightly feel in the handlebars a clunking noise coming from the front end when going over bumpy brick roads.

I can't tell what is causing it - if it is the Forks bottoming out or what.

Any idea where to start looking? I haven't touched the fork settings.
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post #2 of 13 (permalink) Old 04-09-2017, 06:30 PM
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It could be suspension, but I would check the neck / centre bearings.

Could just be loose in the triple tree.

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FB | YT

I'd rather be next to a rider that can maintain a controlled wheelie than a muppet on their phone.

Current: 2012 Street Triple R
Sold: 2001 NSR150SP | 2012 CBR250R
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post #3 of 13 (permalink) Old 04-09-2017, 08:16 PM
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My 2013 does the same thing, it's been driving me nuts.
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post #4 of 13 (permalink) Old 04-09-2017, 08:34 PM
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I'd take it straight back to the dealer for diagnosis

On a brand new bike this is not your problem
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post #5 of 13 (permalink) Old 04-10-2017, 01:35 PM
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Quote:
Originally Posted by wibbly View Post
I'd take it straight back to the dealer for diagnosis

On a brand new bike this is not your problem
^^^ Yes, exactly what he said! Brand new bike should have zero issues and 100% enjoyment!

2008 CBR600RR





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post #6 of 13 (permalink) Old 04-13-2017, 10:13 AM Thread Starter
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Thanks guys. I will take it to the dealer.
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post #7 of 13 (permalink) Old 04-15-2017, 06:48 PM Thread Starter
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Just an update - dealer said this has happened before and they tore the bike apart with Honda looking for the issue and it ended up just being normal for the Showas. A quick google search showed this had some validity. At any rate the tech took me back and showed me all the torque specs were tight and it's recorded now if there does end up being a problem even out of warranty.

I'm content.
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post #8 of 13 (permalink) Old 05-14-2017, 09:45 PM
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Looks like you already got your answer but just wanted to re-assure you that I had the same thing on my 2012 fireblade and when I asked a suspension Guru he told me it is in fact normal and a quirky characteristic of the Showa BPF.

It is caused by the sudden compression of the resting slop in the fork fluid I think and is not at all a problem.
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post #9 of 13 (permalink) Old 05-15-2017, 11:59 AM
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My 2013,low mileage bike does the same thing.Cant find anything wrong so I`m just living with it.
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post #10 of 13 (permalink) Old 06-30-2019, 07:40 PM
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my 2016 cbr600rr does it to iv put it on stands and shook down the front end and cant seem to find the issue, im thinking its the plastic front tire cover im going to remove bolts and add a rubber grommet to each bolt and see if that helps.

chris cook
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post #11 of 13 (permalink) Old 07-02-2019, 03:24 PM
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my 2017 has this as well. Brand new, I noticed it on the ride home from the dealer.

I have gone thru the whole front end of the bike and everything is torqued to spec.

I will ask/tell them about it at the first service and see if they have any more info.

do we know if other bikes with the Showa BPF have this issue too, or just the specific parts on the CBR?

17 CBR600rr some small free mods
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post #12 of 13 (permalink) Old 07-11-2019, 04:34 AM
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Putting rubber grommet on each bolt on the front tire hugger made a night and day difference then I had my stock suspension settings adjusted to my weight and riding style and the noise is gone, the stock suspension setup is to support up to a 250lbs person so it’s setup from factory to be extremely universal.

chris cook
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post #13 of 13 (permalink) Old 07-12-2019, 10:05 PM
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Chris, pics of the specific bolts?

I ask because all of mine are tight and no slop anywere, but I still hear it

17 CBR600rr some small free mods
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