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 Post subject: clutch slave o ring
PostPosted: Wed Dec 03, 2014 1:52 pm 
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Joined: Mon Dec 02, 2013 2:31 pm
Posts: 113
Location: winston salem, nc usa
model: 907 I.E.
year: 1993
I read the FAQ on the subject but numbers seem to be out of date so does anyone have current sources, actual sizes or part no's for a x ring, quad ring for our clutch slave? I don't really want to buy 50 but just a few.Thanks Arch.


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 Post subject: Re: clutch slave o ring
PostPosted: Wed Dec 03, 2014 2:12 pm 
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paso grand pooh-bah
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Joined: Tue Jul 29, 2008 9:50 pm
Posts: 3159
Location: Hilltown,Pennsylvania
model: 906 Paso
year: 1990
California Cycle works or Bevel Heaven

http://ca-cycleworks.com/

http://www.bevelheaven.com/

_________________
Ducati,making mechanics out of riders since 1946
There's no problem so bad that a little fixing can't make it worse! : )
If it ain't broke keep fixin it till it is
88 750
90 906
92 907ie


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 Post subject: Re: clutch slave o ring
PostPosted: Wed Dec 03, 2014 5:53 pm 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5101
Location: southern Germany
model: 750 Paso
year: 1987
The seal that the
Ducati 748 `99
Ducati 748 `99 SPS
Ducati 748 SP, Biposto
Ducati 750 SS i.e.
Ducati 888 Superbike `92
Ducati 888 `93->
Ducati 900 SS `92
Ducati 900 SS F.E. `98
Ducati 900 SS inj. `99
Ducati 900 SS/SL `94-`97
Ducati 907 I.E. `92
Ducati 916 `94
Ducati 916 SP `96
Ducati 916 `98
Ducati 996 Bip./Monop. `99
Ducati 996 SPS
Ducati Monster 600 `98
Ducati Monster 600 `98 Dark
Ducati Monster 600 `00
Ducati Monster 750 `00
Ducati Monster 900 `93
Ducati Monster 900 `94
Ducati Monster 900 `98
Ducati Monster 900 i.e. `00
Ducati ST 2 `97
Ducati ST 4 `99

use is # 93040091A (info from Stein Dinse page)

According to info found on the internet it`s 20x26x4mm

The piston from the models listed above fits in the P750. The only difference between the original piston and the one used in all those others could be the depth of the seal ring groove but I guess it`s the same.


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 Post subject: Re: clutch slave o ring
PostPosted: Thu Dec 04, 2014 2:11 am 
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Joined: Mon Dec 02, 2013 2:31 pm
Posts: 113
Location: winston salem, nc usa
model: 907 I.E.
year: 1993
Thanks Steve and G. I had already looked at bevel and CA Cycle and Bevel has the piston and the mushroom pin but don't seem to carry just the o ring and not in a quad ring. I'll try macmaster carr. Now to get the pin out so I can change the bearing. So far its been fighting my attempts to pull it out. Arch.


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 Post subject: Re: clutch slave o ring
PostPosted: Thu Dec 04, 2014 9:46 am 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5101
Location: southern Germany
model: 750 Paso
year: 1987
Good luck with that. It`s like pulling the plunger out of a syringe. The pin mounts easily but pulling it out of the bearing is a lot harder. Maybe it helps putting the whole piston in the freezer over night. Removing the bearing is even more difficult. I don`t know how other guys did it but I ruined my first piston when trying to get that bearing out.


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 Post subject: Re: clutch slave o ring
PostPosted: Thu Dec 04, 2014 10:50 am 
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paso grand pooh-bah
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Joined: Tue Jul 29, 2008 9:50 pm
Posts: 3159
Location: Hilltown,Pennsylvania
model: 906 Paso
year: 1990
quick google search of 93040091A shows it as widely available
including a lot of Ducati dealers

_________________
Ducati,making mechanics out of riders since 1946
There's no problem so bad that a little fixing can't make it worse! : )
If it ain't broke keep fixin it till it is
88 750
90 906
92 907ie


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 Post subject: Re: clutch slave o ring
PostPosted: Fri Dec 05, 2014 3:19 am 
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Joined: Mon Dec 02, 2013 2:31 pm
Posts: 113
Location: winston salem, nc usa
model: 907 I.E.
year: 1993
I know what you mean G, I've struggled with the piston all day, got the pin out and had to finally use a dremel on the bearing to break it apart. I still have most of the outer race still in the piston and tomorrow going over to a friends place to touch the race in a couple of areas with a arc welder to shrink it. we use to do this on bmw steering head races when not having a tool and it works nicely. I hope to salvage the piston but it is slightly marked up in a couple of spots on the inside.
Steve I know that number is still available from shops but I was trying to source a x or quad ring but no luck so far. I called the local Honda shop today and they will have some of the square rings with the number that was given in the FAQ's so I will try one of those. Thanks everyone, Arch.


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 Post subject: Re: clutch slave o ring
PostPosted: Fri Dec 05, 2014 9:00 am 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5101
Location: southern Germany
model: 750 Paso
year: 1987
93040091A is a V shaped seal and imo already better than the old o-ring. I think I`d prefer that to a square ring.


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 Post subject: Re: clutch slave o ring
PostPosted: Fri Dec 05, 2014 10:46 am 
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paso grand pooh-bah
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Joined: Tue Jul 29, 2008 9:50 pm
Posts: 3159
Location: Hilltown,Pennsylvania
model: 906 Paso
year: 1990
doing a search on the dimensions brings up a lot of "X" or twin lip seals of similar dimensions
Maybe these guys can fix you up :beer:
http://catalog.precisionassoc.com/viewitems/precision-associates-inc-x-ring/x-rings

_________________
Ducati,making mechanics out of riders since 1946
There's no problem so bad that a little fixing can't make it worse! : )
If it ain't broke keep fixin it till it is
88 750
90 906
92 907ie


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 Post subject: Re: clutch slave o ring
PostPosted: Sat Dec 06, 2014 4:33 am 
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Joined: Mon Dec 02, 2013 2:31 pm
Posts: 113
Location: winston salem, nc usa
model: 907 I.E.
year: 1993
Well finally got the remains of the outer race out of the piston today and the piston is still usable. I ordered a 900ss piston as used by G and it will come from Italy. I also ordered two of the 93040091a seals from ducati of Omaha so hope they are the v shape. I've got to get the bearing probably Mon. and Ill be set. Funny thing is I had a fraud alert when I got home tonight on my Amex card because Duc of Omaha put the order no. in the amount column and tried to charge my card a little over 51K for two seals and a piston!! That would have certainly made my wife happy! I'm going to try and get a couple of pins made and I assume that bronze would be the correct material? Thanks Arch.


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