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Discussion Starter #1
Hello , since I got the bike the chain makes clunking noise over even the smallest bumps. When I have an opened throttle sometimes it doesn't ( guess cause the chain is tighten when you open the throttle) but when for example git a pump when having closed throttle or when I pressing the clutch in it clunks. I tried everything even replace the chain and sprockets. The Kawasaki dealer where I went for a check drived it and said it's normal for Kawasaki z to make such a clucking noise over bumps. But it's too loud to be normal. I tried to adjust the chain at different positions:2mm-3mm and I'm in stock sprockets 16-42 but again the same. Does yours Z does the same ?is it really normal to be so loud ?
 

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If anything it may slap the guard or if it’s excessive loose it may try to jump off the sprocket. If
Your tension is spec and sprockets are new you are probably not hearing your chain. I’d check the nuts and bolts on your shock, torque links, calipers etc.
 

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Discussion Starter #5 (Edited)
If anything it may slap the guard or if it’s excessive loose it may try to jump off the sprocket. If
Your tension is spec and sprockets are new you are probably not hearing your chain. I’d check the nuts and bolts on your shock, torque links, calipers etc.
Hello there , IT is like slapping sound but i dont know if that slapping sound should be that loud cause i ve never had a bike before thats why im asking here,Nuts and bolts on shock are alright , I've checked them ,and the noise is coming from lower rear left side , caliper has a little play by hand but as far as I checked this is normal and also I've tried to go over a bump pressing the rear brake pedal to eliminate that play and again the noise was there so it is not the caliper. Today I'm gonna remove the top chain cover as I ve watched it moving every time the noise happens and I ll test it . What are the torque links ? :/ Also when you are going over bumps with closed throttle or if you press your clutch when you hit a bump , you will hear you chain clunk ?
 

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Discussion Starter #6 (Edited)
I've tried to remove the top chain cover but still. I made a photo off the chain slider cause maybe it is worn and it should be taller . Can someone with gen 3 send me a photo of the slider to compare with it . Thank you guys.( the distance between the chain and the slider is cause I raised the chain by hand to take the photo, just mentioning so it doesn't confuse you). For real I'm tired of this sh.., I've checked everything, cush drive, bearing, chain, sprockets, chain , caliper , new brake pads , remove the cover but I can't find where that f.. noise coming from. I will try to make video so you can hear it and identify the noise.
 

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Discussion Starter #8
Thanks for the tip,but is yours chain too noisy over bumps too?

I couldn't tell you. If I ever ride without earplugs, I'd swear the bike is falling apart all over.
Hahaha that's one way to solve the problems. Can you please tell me if the thickness of my slider is the same with yours? Thank you.
 

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Hahaha that's one way to solve the problems. Can you please tell me if the thickness of my slider is the same with yours? Thank you.
Mine is about the same.


You're checking chain tension on the sidestand, right?


Chain slack should be aroiund 13-25 mm if I remember right. Check your owner's manual.
 

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Discussion Starter #10
Hahaha that's one way to solve the problems. Can you please tell me if the thickness of my slider is the same with yours? Thank you.
Mine is about the same.


You're checking chain tension on the sidestand, right?


Chain slack should be aroiund 13-25 mm if I remember right. Check your owner's manual.
Its 20-30mm .I'm going to make a chain slider with industrial plastic and a dremel. I ll try to keep photos of the project if anyone wants to do it too.
 

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Discussion Starter #12 (Edited)
Its 20-30mm .I'm going to make a chain slider with industrial plastic and a dremel. I ll try to keep photos of the project if anyone wants to do it too.

Ok, you said 2mm-3mm earlier, which had me concerned.
Oh sorry , 2cm-3cm. I says in manual 20-30mm so I confused them. Any way I've checked almost everything that can probably make the noise. But I think ita the chain slider, If not , moving to the next thing . I m gonna find it no matter what. It's the only thing that turns me off in my bike. I want to ride and the only think that makes noise is the breeze 🙂 . I didn't have time to build the slider yet cause I built racks for the side bags. I will upload better photos the following days.
 

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Oh sorry , 2cm-3cm. I says in manual 20-30mm so I confused them. Any way I've checked almost everything that can probably make the noise. But I think ita the chain slider, If not , moving to the next thing . I m gonna find it no matter what. It's the only thing that turns me off in my bike. I want to ride and the only think that makes noise is the breeze 🙂 . I didn't have time to build the slider yet cause I built racks for the side bags. I will upload better photos the following days.

Did you get earplugs yet?


P.S. racks look good!



- Sent from Tinnitus-land
 

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Discussion Starter #14
Oh sorry , 2cm-3cm. I says in manual 20-30mm so I confused them. Any way I've checked almost everything that can probably make the noise. But I think ita the chain slider, If not , moving to the next thing . I m gonna find it no matter what. It's the only thing that turns me off in my bike. I want to ride and the only think that makes noise is the breeze 🙂 . I didn't have time to build the slider yet cause I built racks for the side bags. I will upload better photos the following days.

Did you get earplugs yet?


P.S. racks look good!



- Sent from Tinnitus-land
Not yet, I still got some energy to spend on searching and fixing things. I will give a shot to the slider and if it's the same I will get the earplugs.
 

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Discussion Starter #15 (Edited)
So I did make the slider but the noise was worse. I think cause it doesn't fit on the swingarm 100% . The good thing is that finally I know for sure that the noise is from the chain hitting the chain slider. As I install it I noticed that the chain was to close to swing arm at the top of the slider and that got me worried. Is the 15 tooth the stock size indeed ? I did a search but couldn't find a solid answer . The noise is coming from the bottom side of the slider , the chain hits the slider in every bump but I can't say for sure if the noise is from the chain hitting the slider or the the slider hitting the swingarm ( cause it doesn't touch all the way the swingarm ). Can anyone with gen 3 please take a picture of your slider ?
 

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Discussion Starter #17 (Edited)
Thx . I saw that site but I saw another thread here in this forum that one guys claimed that stock sprocket is 16t . So 15t it is! Can you please take a photo of your slider ? I want to see how it fits to the swingarm. Check the attached photo to see the two points I want to check. Thank you very much, I appreciate your help.
 

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Discussion Starter #19 (Edited)
Photos of mine:











Looks like I've run both 15front-41rear and 15front-42rear. The change on the second one was accidental.

excellent. Looks exactly like mine. I ve got an idea while looking your pics , maybe my rear shock need to be tighter so the swingarm doesn't have so much movement and touch the slider so hard ? Since I got the bike I didn't check the shock, and as I've been told ( I didnt saw him cause I bought the bike through a store ) the previous owner was a skinny guy , I'm 90kg. Check the shock in photos , can you understand if it's too loose ?
FB_IMG_1564066724969_1564066979376.jpg
 

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excellent. Looks exactly like mine. I ve got an idea while looking your pics , maybe my rear shock need to be tighter so the swingarm doesn't have so much movement and touch the slider so hard ? Since I got the bike I didn't check the shock, and as I've been told ( I didnt saw him cause I bought the bike through a store ) the previous owner was a skinny guy , I'm 90kg. Check the shock in photos , can you understand if it's too loose ?
View attachment 81686

I can't tell. I suppose I can take a look at mine, but I've run it at the same setting with me riding two years ago at 165 lbs and with me at 195 lbs and my wife on the back. I'm not saying this is a good practice, but I'm still getting 17k miles out of a chain and sprocket set.


Here's the ear plugs I've been using the last few years. You can order them in a minute, and they show up in the mail.


https://smile.amazon.com/gp/product/B0007XJOLG
 
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