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 Post subject: Mystery item! Found this in my oil!
PostPosted: Sun Jul 15, 2018 2:43 am 
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Joined: Mon Apr 11, 2005 12:00 am
Posts: 101
Location: Brirtish Columbia, Canada
model: 907 I.E.
year: 1993
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Changing the oil in my 907ie and this came out in the old oil. Made of lightweight alloy, I think. Anyone know what it used to be?


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 Post subject: Re: Mystery item! Found this in my oil!
PostPosted: Sun Jul 15, 2018 8:21 am 
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paso grand pooh-bah
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Joined: Thu Nov 03, 2011 10:13 am
Posts: 606
Location: Scotland
model: 907 I.E.
year: 1994
No idea I'm afraid but I wouldn't like to find it in my engine!

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 Post subject: Re: Mystery item! Found this in my oil!
PostPosted: Sun Jul 15, 2018 11:14 am 
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Joined: Tue Sep 26, 2017 8:42 pm
Posts: 23
Location: UK
model: 907 I.E.
year: 1993
I’ve never been into a Ducati transmission but that looks like a baulk ring/syncromesh?


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 Post subject: Re: Mystery item! Found this in my oil!
PostPosted: Mon Jul 16, 2018 5:16 am 
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Joined: Wed Aug 28, 2013 12:34 am
Posts: 4
Location: New Zealand
model: 750 Sport
year: 1989
Hi All,

To me it would appears to be a fragment from a bearing cage...

Cages can fail at times and are typically supplied in a host of materials, ranging from brass, nylon, etc etc, right through to cotton/phenol resin.

Just note if it does turn out to be part of a cage, chances are you will continue to come across more fragments, and in time the bearing will likely collapse...

Regards,

Marc


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 Post subject: Re: Mystery item! Found this in my oil!
PostPosted: Mon Jul 16, 2018 8:48 am 
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paso grand pooh-bah
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Joined: Thu Nov 03, 2011 10:13 am
Posts: 606
Location: Scotland
model: 907 I.E.
year: 1994
*MB wrote:
To me it would appears to be a fragment from a bearing cage...

After having another look at it I think you are right.

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2017 Supersport 939
2015 Scrambler Classic
1982 Pantah 500SL


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 Post subject: Re: Mystery item! Found this in my oil!
PostPosted: Mon Jul 16, 2018 9:12 am 
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Joined: Mon Apr 11, 2005 12:00 am
Posts: 101
Location: Brirtish Columbia, Canada
model: 907 I.E.
year: 1993
Thank you for those replies. The bearing cage or retainer seems to be the best answer. What bearings are in there and how difficult is it going to be to get in and replace them?


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 Post subject: Re: Mystery item! Found this in my oil!
PostPosted: Mon Jul 16, 2018 10:50 am 
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paso grand pooh-bah

Joined: Thu Jun 21, 2007 12:00 am
Posts: 1438
Location: Gothenburg, SWEDEN
model: 907 I.E.
year: 1991
Crank, clutch, gear output etc bearings. SKF are cheaper.
You have to separate engine blocks.
Shimming crank etc not too difficult.
Primary gear a real PITA to remove, real sturdy puller
and great care needed, it could fly off w force!

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 Post subject: Re: Mystery item! Found this in my oil!
PostPosted: Mon Jul 16, 2018 2:14 pm 
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Joined: Tue Sep 26, 2017 8:42 pm
Posts: 23
Location: UK
model: 907 I.E.
year: 1993
So looks like one of these bearing cages then to help visualise...

https://www.ebay.ie/itm/Ducati-749-Supe ... 2117508256


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 Post subject: Re: Mystery item! Found this in my oil!
PostPosted: Thu Jul 19, 2018 9:12 am 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5234
Location: southern Germany
model: 750 Paso
year: 1987
Indeed it does look somehow familiar and like a bearing cage but it can't be. Not if it really is lightweight alloy (or is it actually magnetic?).
Also the kind of (crankshaft) bearing like on the picture attached was used on pre-Paso models but not in the 907IE.
Whatever it is I'm wondering where the rest of it is. :huh:


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 Post subject: Re: Mystery item! Found this in my oil!
PostPosted: Sat Jul 21, 2018 9:39 pm 
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paso grand pooh-bah
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Joined: Wed Dec 05, 2007 12:35 am
Posts: 1631
Location: Newzealand
model: 906 Paso
year: 1990
Huh , looks like a Canadian quarter to me :D

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