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BIKELAND > FORUMS > ZX-14.com > Thread: What's this noise? NEW TOPIC NEW POLL POST REPLY
Thread: What\'s this noise?
eklipse636


Needs a life
ZX-14
Posts: 6046
posted June 26, 2012 12:22 PM        
What's this noise?

I've noticed this noise for quite some time now. I put a new tire on today, and after thoroughly cleaning the chain I notice the. Lose is louder.
I assumed it was the front sprocket (wore out) but it doesn't seem to be that way...
Have you guys heard this before?

http://www.youtube.com/watch?v=jV0-c4LuYx0&feature=youtube_gdata_player

I'm hoping it's not the tranny..
____________
Best: 60ft 1.351 1/8 5.68 mph 123.98 1/4
8.89 mph 151.32

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Wheelie


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Old Man
Posts: 6902
posted June 26, 2012 12:30 PM        


wee

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Wheelie


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Old Man
Posts: 6902
posted June 26, 2012 12:32 PM        
take the chain off and spin the sprocket.

wee

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SteddyTeddy


Pro
Posts: 1664
posted June 26, 2012 12:32 PM        
WTF? Pull the chain off the sprockets and narrow it down.
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Shane661


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Posts: 11481
posted June 26, 2012 12:35 PM        
quote:
WTF? Pull the chain off the sprockets and narrow it down.


+1..

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zixxer14


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Damn that was Quick
Posts: 1180
posted June 26, 2012 01:00 PM        
I'm voting for the tranny, we haven't had a good tech thread in awhile. Rebuild!
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Slow14_Fz1


Novice Class
Posts: 83
posted June 26, 2012 01:06 PM        Edited By: Slow14_Fz1 on 26 Jun 2012 20:12
sounds like a bent shift fork causing one of the dogs to partly catch on a gear I would pull up very slowly on the shifter to see when it starts to catch then push the shifter down the same way.
Note: do this while someone spins the tire slow if the noise goes away than that may very well be the problem
____________
08 zx14 Turbo 17lbs 8.84@159 spinning
2012 zx14r NA 5.93@118 9.30@147 best 1.37 60'

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speedgene


Zone Head
Posts: 996
posted June 26, 2012 01:08 PM        Edited By: speedgene on 26 Jun 2012 20:09
I'd suggest WEE's/Ted's move. I think you answered your own question. The camera is at the noise. You are counting the pins riding up on the sprocket to match the noise, right? The new chain will ride up on the worn teeth and make the same noise... I don't want to talk about it; And that used sprocket looked so deceivingly new.
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E-tard

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speedgene


Zone Head
Posts: 996
posted June 26, 2012 01:16 PM        
quote:
I've noticed this noise for quite some time now. I put a new tire on today, and after thoroughly cleaning the chain I notice the. Lose is louder.


Do you time your chain to sprockets with a marking device so the wear pattern does not change? Just asking as I am watching the last thing you did to the bike.
____________
E-tard

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eklipse636


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ZX-14
Posts: 6046
posted June 26, 2012 02:16 PM        
quote:
quote:
I've noticed this noise for quite some time now. I put a new tire on today, and after thoroughly cleaning the chain I notice the. Lose is louder.


Do you time your chain to sprockets with a marking device so the wear pattern does not change? Just asking as I am watching the last thing you did to the bike.


I have never done that before. Never heard of it to be honest.
The front sprocket is 4 years old. I'm on the O C D side of keeping stuff clean and Maintance.
I just got done putting new compressor on for air shifter, don't know if I'm going to have time today to pull chain off sprocket and check it out, but hopefully I can get to it tomorrow
____________
Best: 60ft 1.351 1/8 5.68 mph 123.98 1/4
8.89 mph 151.32

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hagrid


Expert Class
Posts: 373
posted June 26, 2012 02:23 PM        
Did you flip that sprocket? The wear pattern looks backwards.
____________
blue 14R

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Bently


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2012 14r In Blue and no Mods!
Posts: 5428
posted June 26, 2012 02:28 PM        
quote:
quote:
quote:
I've noticed this noise for quite some time now. I put a new tire on today, and after thoroughly cleaning the chain I notice the. Lose is louder.


Do you time your chain to sprockets with a marking device so the wear pattern does not change? Just asking as I am watching the last thing you did to the bike.


I have never done that before. Never heard of it to be honest.
The front sprocket is 4 years old. I'm on the O C D side of keeping stuff clean and Maintance.
I just got done putting new compressor on for air shifter, don't know if I'm going to have time today to pull chain off sprocket and check it out, but hopefully I can get to it tomorrow

there's a reason you have never heard of it before

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Oz Booster


Expert Class
Posts: 228
posted June 26, 2012 02:36 PM        
how tight is the chain ? what is the fit on the rear like ?
mates 12 had a noise not disimilar but only clicked once in a revolution, turned out a new chain fixed it but could not fault the chain to look at either on the bike or off

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WARBIRD


Needs a job
Posts: 2703
posted June 26, 2012 02:43 PM        
quote:
Did you flip that sprocket? The wear pattern looks backwards.


I have to say.....in the video it does look like it is backwards, but that could be from the angle the video was shot.....

It sounds like the roller "pluncking" down in between the teeth.........
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1badzx12r


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posted June 26, 2012 02:53 PM        
bad mate between chain and sprocket ..
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http://www.youtube.com/watch?v=S06nIz4scvI

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KoflaOlivieri


Expert Class
Posts: 298
posted June 26, 2012 03:49 PM        Edited By: KoflaOlivieri on 26 Jun 2012 22:57
If the noise became noticeable louder after cleaning the chain, sounds like the chain is worn out and needs to be replaced.
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Riding My Own Biography: (MotoVlog)
2010 Kawasaki ZX-14
1985 Yamaha V-Max 1200
1977 Kawasaki KZ 1000
1975 Kawasaki Z1 900
1974 Kawasaki H2 750
1972 Kawasaki H2 750

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eklipse636


Needs a life
ZX-14
Posts: 6046
posted June 26, 2012 04:22 PM        
quote:
If the sound became noticeable louder after cleaning the chain, sounds like the chain is worn out and needs to be replaced.


I've been running the same chain for about 4 years now, so I could assume the chain, but it just didn't sound like the chain.
I havent taken the sprocket off. Put it on brand new in the beginning of 09. I was holding the sprocket cover and the iPhone in one hand, and turning the wheel with the other hand.

I don't have time to take it apart today, im hoping to get a free hour tomorrow to take the chain of and spin tranny over
____________
Best: 60ft 1.351 1/8 5.68 mph 123.98 1/4
8.89 mph 151.32

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