Hearing a tiny rattle... - ZX6R Forum
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post #1 of 8 Old 04-18-2017, 06:21 AM Thread Starter
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Hearing a tiny rattle...

I have noticed a little rattle on my bike when I ride. The chain is good so I don't know where else to look... the noise only comes when I'm in gear and moving. The bike handles great, which makes it a little harder to figure out where it's coming from. Any thoughts?
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post #2 of 8 Old 04-18-2017, 06:34 AM
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There's always a chance there is a rock inside the fairing pieces somewhere. It's also possible you have something in the intake, or trapped around the radiator.

If the noise changes with the speed you are rolling, that's different than a totally random noise.....

If the noise changes with engine RPM, regardless of the bike moving or not, that may be something else as well.

Always a good idea to go over the bike and make sure all the things that are supposed to be snug, are. A loose bolt or clip will make a buzzing noise due to engine vibration, etc.

"There's this adage that we have 2 ears and one mouth so we should listen twice as much as we talk. Unfortunately with the Internet people have taken this old adage and turned it around. They have two eyes and 10 fingers so they think they need to post 5 times as much as they read. And since they have 10 fingers and one brain, they only have to think 10% of the time! "
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post #3 of 8 Old 04-18-2017, 06:54 AM Thread Starter
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I just got it out of the shop. My mechanic went through and check the fluid change the brakes, just about everything to make sure I could start the season off safely. So I know everything is good on that end. I will check the air intake and look for loose rocks though. Hopefully it's something minor like that. Thanks for getting back in touch so quickly, much appreciated!
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post #4 of 8 Old 04-18-2017, 07:32 AM
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Originally Posted by Ladyrider82 View Post
I just got it out of the shop. My mechanic went through and check the fluid change the brakes, just about everything to make sure I could start the season off safely. So I know everything is good on that end. I will check the air intake and look for loose rocks though. Hopefully it's something minor like that. Thanks for getting back in touch so quickly, much appreciated!
If your mech tweaked things, and it rattles after he did the work...... take it back and ask him to find the rattle. That's on him.

I've been doing my own work on bikes for much longer than I like to think about; and it's not always the best work. I worked on the brakes once, and forgot to secure the clip that holds the cap on the MC reservoir. It flew off while I was riding, and I thought I would never see it again.

Until the next time I had to take off the right side fairing, and it fell out in my hand.

If that part was rattling around, I couldn't hear it over the wind noise, and exhaust.

"There's this adage that we have 2 ears and one mouth so we should listen twice as much as we talk. Unfortunately with the Internet people have taken this old adage and turned it around. They have two eyes and 10 fingers so they think they need to post 5 times as much as they read. And since they have 10 fingers and one brain, they only have to think 10% of the time! "
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post #5 of 8 Old 04-18-2017, 07:54 AM
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Originally Posted by Ladyrider82 View Post
I have noticed a little rattle on my bike when I ride. The chain is good so I don't know where else to look... the noise only comes when I'm in gear and moving. The bike handles great, which makes it a little harder to figure out where it's coming from. Any thoughts?

I know this might sound funny but do you have more than one key on a ring? Hilariously I had a slight rattle like you described that was driving me totally insane! Looked over my bike probably half a dozen times and ignored it. One day I threw the gopro up on the handle bars and low and behold, when I played the video back it was the other key on the key ring that was rattling around!
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post #6 of 8 Old 04-18-2017, 08:57 AM
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^^ good point. The other thing you can do, is use your free hand to press against anything on the bike you suspect may be rattling. If it goes away, you've found out what is loose....

"There's this adage that we have 2 ears and one mouth so we should listen twice as much as we talk. Unfortunately with the Internet people have taken this old adage and turned it around. They have two eyes and 10 fingers so they think they need to post 5 times as much as they read. And since they have 10 fingers and one brain, they only have to think 10% of the time! "
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post #7 of 8 Old 04-18-2017, 09:13 AM
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It could be the Cam Chain Tensioner. When they are between adjustments, you will get a rattle from the CCT. It's perfectly normal. When the cam chain stretches enough, the tensioner will "grab" the next adjustment and the rattle will go away.

We can easily diagnose that if you post a video of the rattle.
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post #8 of 8 Old 04-18-2017, 02:43 PM
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Check your brake and clutch levers (put your hand on them when you hear the rattle and see if it stops). One of the levers on my 250R would rattle above certain speeds/RMP's, and it took me a while to figure our what it was.

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