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Offline treedoc

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Changed front sprocket - Help!!
« on: July 14, 2017, 07:15:33 AM »
Today I changed the front sprocket out to a JT 16T, part number 1381-16.

It went on no issues, put everything back together and there was a 'ticking' sound from the front sprocket when the wheel turns.

It sounds like it may not be aligned correctly, but no matter how many times I adjusted the rear wheel I could not get rid of the noise.

I am no mechanic but it all seems pretty simple, I spent an afternoon on it before accepting defeat and putting the original sprocket back on.

And it made the same 'ticking' sound!!!

I put the 16T back on, I really like the gearing.

Has anyone had a similar issue, how serious is it (excessive wear?) and can anyone offer a solution?

Thanks in advance  :821:

Offline catstevecam

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Re: Changed front sprocket - Help!!
« Reply #1 on: July 14, 2017, 08:14:18 AM »
Hi - is the front sprocket on the 'right' way round?  i.e. with the writing or part number visible to the outside.
Only wishing to help. Steve
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Offline treedoc

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Re: Changed front sprocket - Help!!
« Reply #2 on: July 14, 2017, 09:18:59 AM »
Cheers Steve, sprocket is right way round, chain (and bike) only has just over 8000km, chain is oiled and not too tight/loose.

The 'tick' sounds every time a tooth contacts with the chain, I am spinning the rear wheel by hand with the sprocket cover off.

It is loud enough that it can be clearly heard on the road, coasting with the clutch in.

Cheers, Treedoc

Online marktbike

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Re: Changed front sprocket - Help!!
« Reply #3 on: July 14, 2017, 11:52:18 AM »
Of course you're sure the sprocket is the right one? I mean: you didn't get a 525 sprocket instead of the 520, by chance?

Offline Sargent_Horse

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Re: Changed front sprocket - Help!!
« Reply #4 on: July 14, 2017, 08:03:44 PM »
I remember linking him the sprocket that I got, this one:
+30 JT Front Sprocket (16t) >>>> link hidden <<<<
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It has worked fine for me. I can't imagine what the ticking noise is, especially if it still occurs when the original is put back on.
I don't actually own a vehicle with more than 2 wheels...

Offline treedoc

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Re: Changed front sprocket - Help!!
« Reply #5 on: July 14, 2017, 08:54:18 PM »
Although there's not 520 on the packaging, the sprocket is the JTF 1381-16, and on the website I bought from it states 520 chain.

I'm thinking it must my fault with the installation somehow, considering the original sprocket did the same thing when I re-installed it.

I have seen plenty of similar complaints using google search, without any definitive answer, although most imply the chain is worn or over tensioned, or the sprocket is worn.

It doesn't make the sound with the chain off the sprocket (ie its not a driveshaft issue)

Might have to take it to the shop  :157:

Offline Phil80

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Re: Changed front sprocket - Help!!
« Reply #6 on: July 16, 2017, 04:44:30 PM »
rear wheel aligned after you swapped the sprocket out? - check alignment when cranked up the wheel nut.

Offline EscCtrl

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Re: Changed front sprocket - Help!!
« Reply #7 on: July 16, 2017, 09:15:55 PM »
Clicking is the chain alignment being out.


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Artist also known as ben2go.
Six=Suzuki GS500,'00 V Star Classic,'14 CB500X farkled out nicely.
I rescue neglected and battered motorcycles.

Offline treedoc

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Re: Changed front sprocket - Help!!
« Reply #8 on: July 17, 2017, 03:47:41 AM »
Thanks EscCtrl, I have ordered a chain alignment tool.
I think it is most likely alignment, I measured from the axle to the swingarm bolt and it looks ok (a bit of a guess without moving the exhaust).
I started watching the vid you attached, but I just cant trust anyone wearing socks and sandals..

Offline EscCtrl

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Re: Changed front sprocket - Help!!
« Reply #9 on: July 17, 2017, 04:52:46 AM »
*Originally Posted by treedoc >>>> link hidden <<<<
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Thanks EscCtrl, I have ordered a chain alignment tool.
I think it is most likely alignment, I measured from the axle to the swingarm bolt and it looks ok (a bit of a guess without moving the exhaust).
I started watching the vid you attached, but I just cant trust anyone wearing socks and sandals..

You're welcome and  :745: I'm glad I don't wear sandals of any type.
Artist also known as ben2go.
Six=Suzuki GS500,'00 V Star Classic,'14 CB500X farkled out nicely.
I rescue neglected and battered motorcycles.

 


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