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 Post subject: Swingarm shim size on left hand side???? 1990 900 supersport
PostPosted: Fri May 27, 2016 8:12 am 
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Joined: Fri Jan 24, 2014 9:00 am
Posts: 69
Location: New Zealand
model: 900 SS
year: 1990
Been 2 plus years since I stripped and manual not too clear so can someone tell me what size shim goes on the left hand side of swingarm so lines up with chain (I don't have a laser).... For the record I also looked but can't find on web


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 Post subject: Re: Swingarm shim size on left hand side???? 1990 900 supers
PostPosted: Fri May 27, 2016 8:31 am 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5098
Location: southern Germany
model: 750 Paso
year: 1987
left hand side ?
Just looked at the online parts catalogue from Stein Dinse https://www.stein-dinse.biz/eliste/inde ... =ggg&lg=en and there`s one shim shown on the right inner side of the swingarm (#3). If that is the one it`s either 20,5x36x0,1mm or x0,2mm.
Image


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 Post subject: Re: Swingarm shim size on left hand side???? 1990 900 supers
PostPosted: Fri May 27, 2016 7:10 pm 
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Joined: Fri Jan 24, 2014 9:00 am
Posts: 69
Location: New Zealand
model: 900 SS
year: 1990
Saw that .... doesn't make sense to have swingarm directly on to engine casing?

I read somewhere in a forum on a 800ss there is a 1.8mm shim either side and any other shims on the right side to get .10mm tolerance

As above I tore this apart years ago so can't remember and no photo and can only find one 1.8mm shim (maybe I lost one)

This seems more like it to me but my manual looks like the Stein diagram


Last edited by The Paua Poacher on Fri May 27, 2016 10:11 pm, edited 1 time in total.

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 Post subject: Re: Swingarm shim size on left hand side???? 1990 900 supers
PostPosted: Fri May 27, 2016 10:08 pm 
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Joined: Wed Nov 18, 2015 4:08 pm
Posts: 11
Location: USA
model: 900 SS
year: 1989
I just reinstalled the swing arm on my 900. There is one washer/spacer on the inside of each side of the swing arm, resting between the swing arm and the engine cases.

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Randy K.

1990 900 Super Sport

Minneapolis, Minnesota USA


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 Post subject: Re: Swingarm shim size on left hand side???? 1990 900 supers
PostPosted: Fri May 27, 2016 10:12 pm 
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Joined: Fri Jan 24, 2014 9:00 am
Posts: 69
Location: New Zealand
model: 900 SS
year: 1990
You star I am onto it NOW ...


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 Post subject: Re: Swingarm shim size on left hand side???? 1990 900 supers
PostPosted: Fri May 27, 2016 11:45 pm 
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Joined: Wed Nov 18, 2015 4:08 pm
Posts: 11
Location: USA
model: 900 SS
year: 1989
Here is a photo of the shim between my swing arm and the engine cases.


Attachments:
image.jpeg
image.jpeg [ 141.84 KiB | Viewed 773 times ]

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Randy K.

1990 900 Super Sport

Minneapolis, Minnesota USA
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 Post subject: Re: Swingarm shim size on left hand side???? 1990 900 supers
PostPosted: Sat May 28, 2016 6:23 am 
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Joined: Fri Jan 24, 2014 9:00 am
Posts: 69
Location: New Zealand
model: 900 SS
year: 1990
Thanks for that ... Threw it all in this morning ... Got .1mm as per manual so nice and snug

Replacing bearings and seals easier job than I thought it would be


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 Post subject: Re: Swingarm shim size on left hand side???? 1990 900 supers
PostPosted: Tue Jun 07, 2016 11:27 pm 
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paso grand pooh-bah
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Joined: Sat Sep 03, 2005 12:00 am
Posts: 1312
Location: SF Bay Area
model: 750 Sport
year: 1990
you can look at later SS series manuals, and it has basically the same set up, but a different diameter pin. General rule is to set the chain side to the stock size, and shim the right side to fit. If you can, fill the gap with 2 washers instead of 1, as it will make a better bearing. Grease them before you assemble them. The grease also helps hold them in place during assembly. If you don't have enough spare shims, you can find them under the name of Arbor Shims, and can often get a set of them for $20-30. May be cheaper than ordering shims from Ducati. If you painted the cases, you should sand off the paint on the flange around the bearing boss, as it is a friction surface, and intended to take side loads. Stock shims are carbon steel, and will rust. You can get aftermarket shims of SS, but they are softer.

Cheers, Phil

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Duc in the Bay
1990 750 Sport x2-Rosso Blanko (900ss copy) & Nuovo Nudo (Scrambler project)
1991 907 -mostly stock
2002 ST4s - Lots of mods.


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 Post subject: Re: Swingarm shim size on left hand side???? 1990 900 supers
PostPosted: Wed Jul 27, 2016 2:23 pm 
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Joined: Sat Jul 16, 2016 6:35 am
Posts: 136
Location: Australia
model: 900 SS
year: 1989
i know this post is a bit late in coming but i have just reinstalled the swingarm to my 89 900 ss and the washes i removed before repainting engine and powdercoat frame and swingarm , probs should have filed powdercoat from inside surface of swingarm as she come apart with i x 1.8 or so washer to left side and 1 x 1.8 + 1 x .2 or .4 or so on right side, as it turned out only the 2 main washers fit back in, greased em and left em , i will see how that goes
probs should have read these posts prior to install, i will post photos when i can , cheers ,Rob.


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