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Author Topic: Problem with chain?  (Read 2953 times)
RED
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« on: January 21, 2009, 09:58:28 AM »

I have noticed on hard acceleration my chain is either slipping or my sprocket is jumping a notch it seems. It is a sort of jolt when it does it. I just noticed this last night. Has anyone had this problem? If it's time for a new chain is there a particular brand or type I should replace it with? How long does it take to change out?

I ask because my surgery date is Tuesday 27th and I'd like to ride the Sunday ride this week. Last ride for me for at least 6-8 weeks. Heck, in fact I may not even be able to type! Stop cheering and laughing those who are.
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caffeinejunkee
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« Reply #1 on: January 21, 2009, 10:09:47 AM »

How much play in your chain?

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RED
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« Reply #2 on: January 21, 2009, 10:59:28 AM »

There seems to be some cross-pollination between this and the 'Say Anything' thread Huh?Huh?  cheeky

To answer you question CJ, I  haven't looked at the chain to see if there was any play. I just parked it last night and thought I'd address the problem this afternoon. I'll let you know.

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bryant8
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« Reply #3 on: January 21, 2009, 11:38:00 AM »

Any idea how many miles are on the chain/sprocket set?

Any teeth on the sprockets missing?  chain have seized links?

check the front/rear sprocket alignment.

not sure if your bike has a retaining bar on the front sprocket, but it may have loosened and is letting the sprocket walk on the counter-shaft.

Of course check your chain tension.  waytogo
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2008 848
Mods: Full Termignoni Race Exhaust/ECU Tuned by AMS, Ducati Performance Dry Clutch Slipper Clutch, Öhlins steering damper
Next: Öhlins TTX shock and Öhlins fork internals, track body work
26.2 done 12/5/2010
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bryant8
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« Reply #4 on: January 21, 2009, 11:42:57 AM »

*snip*
 If it's time for a new chain is there a particular brand or type I should replace it with? How long does it take to change out?
*snip*

Check out Chris Kelley at ca-cycleworks.com for info on chains/sprocket set ups.  It's a simple swap if you have a chain cutter/press.  waytogo
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2008 848
Mods: Full Termignoni Race Exhaust/ECU Tuned by AMS, Ducati Performance Dry Clutch Slipper Clutch, Öhlins steering damper
Next: Öhlins TTX shock and Öhlins fork internals, track body work
26.2 done 12/5/2010
70.3 by 10/12/2011
140.6 by 12/31/2012
♣ McKraut ♣
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« Reply #5 on: January 21, 2009, 12:06:24 PM »

DID is pretty much the gold standard...but i've heard good things about EK, too.  chris kelly sells everything you'll need, including the RK chain tool (great quality).
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RED
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« Reply #6 on: January 21, 2009, 01:03:44 PM »

Bryant, I was thinking that the loosening part may have played a big part here because I'm sure I ride the bike much harder than the guy before who owned it. I downshift coming into corners at high revs sometimes which in turn will lock up the rear wheel to a degree. I thought that if the chain hadn't been tightened or is getting stretched it may have caused this problem. Just the same I'll have a look at all the things you mentioned and hopefully have some feedback tonight.

Then again it may be about time to follow RonR's  bow down  lead and get into a new 1198s! hmmm...
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RED
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« Reply #7 on: January 21, 2009, 05:42:52 PM »

ok, the chain is definately loose. there seems to be more play than the 32-34mm. also the rear sproket looks like the teeth are kinda flat. i will need to see one up close to compare.
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bryant8
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« Reply #8 on: January 21, 2009, 05:50:25 PM »

Front sprocket?
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2008 848
Mods: Full Termignoni Race Exhaust/ECU Tuned by AMS, Ducati Performance Dry Clutch Slipper Clutch, Öhlins steering damper
Next: Öhlins TTX shock and Öhlins fork internals, track body work
26.2 done 12/5/2010
70.3 by 10/12/2011
140.6 by 12/31/2012
fastwin
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« Reply #9 on: January 21, 2009, 06:26:31 PM »

Flat looking teeth are not good. How many miles does the ST have on it? Could be time for new stuff all around.
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♣ McKraut ♣
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« Reply #10 on: January 22, 2009, 05:41:52 AM »

yeah...if you're going to change anything, just change it all

http://www.ca-cycleworks.com/shop/catalog/ducati/chain.html
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« Reply #11 on: January 22, 2009, 08:38:21 AM »

adjust your chain properly and see what happens from there
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RED
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'04 ST4s, '73 Triumph Bonneville 750 cafe


« Reply #12 on: January 22, 2009, 09:13:11 PM »


Well, that's the deal there. looks like eveything for around 3-350$w/sprocket cover. thanks mucho man.
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RED
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'04 ST4s, '73 Triumph Bonneville 750 cafe


« Reply #13 on: January 22, 2009, 09:24:11 PM »

The bike has over 20k on it so it's time for the new mods. Bike has always been maintenanced at EuroSport Cycle which I have records and to my knowledge the chain has never been changed. This will give me something to do while away from riding this spring. Thanks all.
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Duc L'Smart
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« Reply #14 on: January 23, 2009, 02:23:58 PM »

The problem is, of course, you need a new chain & 2 new sprockets... waytogo

Glad to be of service Grin
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