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16-09-2020, 11:38 AM | #1 |
Registered User
Join Date: Sep 2013
Location: Glasgow
Bike: S4 challenge
Posts: 447
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New Clutch for S4
Finally managed to sort out some dB killers for the high level Termis.......now that's sorted I didn't realise just how loud the clutch was though!!
Clutch itself is operating perfectly well, no slippage, finding neutral never an issue and all gears select smoothly. However when you see the indentations on the clutch tabs you can see where the noise is coming from. Couple of Q's: 1. Looking at either Ferodo or Newfren friction plates, both circa £60ish inc P+P. Any preference. 2. Hoping to get away with not changing the clutch basket. 3. Looking into the "quiet clutch" mod, is it simply a case of adding 2 x steel plates and removing 1 x friction from the stack. |
16-09-2020, 11:58 AM | #2 |
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Join Date: Jul 2003
Location: East London
Bike: Multiple Monsters
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Make sure you get the right plates (dry not wet clutch) if you’re buying non-oem.
Measure a few steel plates before you buy, if you need both you may as well get a full set together. That basket is £@*&ed !! |
16-09-2020, 12:24 PM | #3 |
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Join Date: Sep 2013
Location: Glasgow
Bike: S4 challenge
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Don't say the basket is fecked! I'm not a clutch tart, I keep mine behind its cover and nobody will see it. Admittedly the tabs look proper buggered, the basket on the other hand is showing only mild patina. I'm sure the rusty springs will also give some on here palpitations
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16-09-2020, 12:30 PM | #4 |
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Join Date: Jul 2003
Location: East London
Bike: Multiple Monsters
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there are matching notches in the basket, so the new plates will catch on them and the clutch won’t operate smoothly. you could dressthem
with a file but that will leave excessive play and your new parts will wear faster. imho it’s a false economy not dealing with it. |
16-09-2020, 12:37 PM | #5 |
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Join Date: Sep 2013
Location: Glasgow
Bike: S4 challenge
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Bloody clutch holding tool required then! Or could it be done with an impact gun (used once for my sprag clutch change earlier in the year so desperate to use again).
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16-09-2020, 02:13 PM | #6 |
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Join Date: Aug 2011
Location: Southampton
Bike: M1100evo
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With a strong impact gun you may be able to undo the clutch nut but you'd still need to lock it in order to torque it up properly.
What about making your own tool? https://www.ducati.ms/threads/how-to...er-tool.23968/ If you've got a thick sheet of aluminium, something like this...@ 5:12. |
16-09-2020, 04:02 PM | #7 |
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Join Date: Mar 2010
Location: Beachtown
Bike: M900
Posts: 2,188
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If you really just want to change the plates then as Slob says the basket wear will need to be re-dressed and to do that properly you will need to take it out anyway so you might as well change it for a new one and be done with it.
How many miles has it done? Mine had done 30k when I changed it but I did re-dress the basket and plate tangs a couple of times but if you were to go by the factory measurement for the basket to tang gap you'd be changing them every year- the friction material was still in spec though! Comparison of old and new baskets: I wouldn't use one of those 'bolt to the engine' holding tools though- there's quite a lot of force when both un-doing and re-torqueing and likely something will give and at best will result in skinned knuckles. I bought a holding tool from a chap making and selling them on eBay- about £25 posted, combined with a cheapo impact gun still made it cheaper to do myself than putting into a shop- plus I got an impact gun and we all need new tools right?
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You're perfect, yes, it's true- But without me you're only you! Last edited by Flip; 16-09-2020 at 04:04 PM.. |
17-09-2020, 07:56 AM | #8 |
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Join Date: Sep 2013
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Thanks guys, bike has done 24k Flip so not bad considering it looks like the original plates and basket. Looks like you opted for a steel basket? I'm not seeing a huge selection of steel available as mostly are aluminium. I'm going to stick with steel, did you go down the official ducati parts route??
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17-09-2020, 08:26 AM | #9 |
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Join Date: Jul 2003
Location: East London
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Clutch life also depends on your riding environment, if you regularly commute in a city it'll wear way faster than a bit of countryside scratching. By 2003 (M1000DS & S4R) Ducati was using lighter aluminium baskets, with a steel reinforcing band around them. I've found that the hard anodised (usually German made) baskets wear pretty well
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17-09-2020, 08:48 AM | #10 |
Transmaniacon MOC
Join Date: Sep 2013
Location: Sutton In Ashfield
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Posts: 6,085
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+ 1 for Aluminium plates and basket, lighter and quieter. Seem to wear ok too but don't put steel friction plates in an aluminium basket that will wear the basket in no time.
Another option would be a 48T basket which I know some have gone for, that will give even longer life so maybe worth the extra outlay if you plan on doing large mileages. I plan to swap mine out for a 48T once the original 12T wears out. I need to check if it will work with my slipper hub though, but I think it should be ok
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Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
17-09-2020, 09:11 AM | #11 |
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https://www.ebay.co.uk/itm/NEU-Ducat...QAAOSwsO5b-TwE
Includes a holding tool of sorts (although it looks like ABS and I'm not sure how long that would take to break if you stick and impact gun on the centre nut, a full set of Newfren plates and new bolts to secure the basket to the primary gear, I'm sure most people wouldn't bother changing the bolts even though the factory manual says you should. Shame the £ is so ****ed, everything in Euros has gone up over 10% since I last replaced a clutch. Last edited by slob; 17-09-2020 at 09:18 AM.. |
17-09-2020, 09:38 AM | #12 | |
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Quote:
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Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
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17-09-2020, 09:45 AM | #13 |
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Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
17-09-2020, 05:31 PM | #14 | |
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Join Date: Sep 2010
Location: Leics
Bike: M900
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Quote:
I changed to ally clutches a few years ago and I don't think they wear much (if any) worse than steel but they do weigh a huge amount less. Both my Ducatis have Newfren plates and they work fine.
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M900, 916, LeMans II. |
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18-09-2020, 07:07 AM | #15 |
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Join Date: Sep 2013
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All aluminum it is then. Bought the set from Germany as linked by Rob. Interestingly I understand that ST4's came with Steel Baskets and Alu plates as standard. Looking forward to reduced noise levels!
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