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06-01-2019, 10:30 PM | #1 |
Registered User
Join Date: Mar 2018
Location: Blakeney
Bike: M900
Posts: 134
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It's always the simple jobs that take the longest...
The clutch has been slipping on my bike so I ordered up some new friction plates to throw in. But when I opened it up I was greeted by my "not-so-dry" clutch:
Last edited by Macflurry; 06-01-2019 at 10:32 PM.. |
07-01-2019, 09:02 AM | #2 |
Registered User
Join Date: Jul 2014
Location: Portsmouth
Bike: M900
Posts: 1,510
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Bugger.
The big oil seal is easy enough to change, and not that expensive, but it's annoying to have to do it. Nasher
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07-01-2019, 10:54 AM | #3 |
Registered User
Join Date: Mar 2018
Location: Blakeney
Bike: M900
Posts: 134
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Ha, thanks Nasher.
I tried getting a list of all possible seals and o-rings last night from a parts catalogue. For a few pieces of rubber they add up pretty quick. There was only the big one and two at the slave cylinder end labelled oil seal. But I was wondering is it worth just swapping out the o-rings and bearing if it’s apart anyway? |
07-01-2019, 02:13 PM | #4 |
Registered User
Join Date: Sep 2010
Location: Leics
Bike: M900
Posts: 2,854
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If you're lucky, it might just be the small oil seal in the clutch end of the shaft.
Easy to replace as it doesn't need the side casing removing.
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M900, 916, LeMans II. |
07-01-2019, 02:50 PM | #5 |
Registered User
Join Date: Mar 2018
Location: Blakeney
Bike: M900
Posts: 134
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Thanks Dukedesmo.
To be on the safe side I've ordered a set of the oil-seals and all the o-rings I could see to give it a relatively cheap refresh. I'll play with the bearings as they come out and order them if needed as they were bumping the cost up. Knowing they're swapped out is another job done for peace of mind. |
07-01-2019, 04:37 PM | #6 |
Lord of the Rings
Join Date: May 2013
Location: Norwich
Bike: M900sie
Posts: 5,859
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I have heard that the big oil seal behind the clutch is extremely easy to damage when fitting. I think there is a tool for easing it into place without nicking it?
BTW have you moved to the North Norfolk coast?
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07-01-2019, 05:37 PM | #7 | |
You Are What You Is
Join Date: May 2005
Location: A Foward Location
Bike: S4r
Posts: 1,948
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Quote:
Some years ago I did some work for a US company Sealol. Talking to their service department, they told me that 99% of failures were due to damage during installation. |
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07-01-2019, 06:25 PM | #8 | |
Registered User
Join Date: Jul 2014
Location: Portsmouth
Bike: M900
Posts: 1,510
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Quote:
Nasher.
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Heaven doesn't want me, and Hell is afraid I'll take over. |
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07-01-2019, 07:24 PM | #9 | |
Registered User
Join Date: Mar 2018
Location: Blakeney
Bike: M900
Posts: 134
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Quote:
Do either of you guys have a pick of the tool for the seal? |
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07-01-2019, 07:28 PM | #10 |
Lord of the Rings
Join Date: May 2013
Location: Norwich
Bike: M900sie
Posts: 5,859
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Well! I didn't know there where two Blakeney's.
Sorry I don't have a picture..Just a notion that the tool exists.
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07-01-2019, 08:54 PM | #11 |
You Are What You Is
Join Date: May 2005
Location: A Foward Location
Bike: S4r
Posts: 1,948
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07-01-2019, 09:02 PM | #12 |
Registered User
Join Date: Mar 2018
Location: Blakeney
Bike: M900
Posts: 134
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07-01-2019, 09:15 PM | #13 |
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Join Date: May 2007
Location: Stockbridge
Bike: M900
Posts: 1,984
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I used to really like the A48 through Blakeney [Gloucs.] but they seem to have ruined it over the last forty years.
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07-01-2019, 09:31 PM | #14 | |
Registered User
Join Date: Mar 2018
Location: Blakeney
Bike: M900
Posts: 134
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Quote:
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07-01-2019, 10:01 PM | #15 |
Registered User
Join Date: Mar 2010
Location: Beachtown
Bike: M900
Posts: 2,188
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The big seal behind the clutch drum went on my 1997 900 not long after I bought the bike (in late 1999) from my mate who put less than a thousand miles on it in two years- an adage to Ducati's don't like being laid up without being used.
If I remember correctly Ducati say it can't be removed without splitting the cases but good ol' Haynes say otherwise and I employed their method of carefully removing it by edging round it with a thin flat screwdriver and fitting the new one with a suitable sized socket as a drift. Over the years I've replaced the O rings on the push rod a couple of times and the bearings in the pressure plate (just for peace of mind while doing other jobs) and never had an issue with any of them since.
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