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 Fork 'O' Ring dimensions sought.

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spozzy
Carlotto
Carlotto
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Posts : 27
Join date : 2014-05-22
Age : 61

PostSubject: Fork 'O' Ring dimensions sought.   Sun Apr 09, 2017 11:45 pm

So after consuming all the information on the Matris cartridge upgrade, I'm joining in on the fun, and my 2010 Tenni will go in for 'day surgery' very shortly.
However I've noticed some rust pitting in the chrome on both the LHS and RHS stanchions, just above where they are connected to the lower fork castings that mount the calipers/axle.

So I've decided to replace both the chrome stanchions as part of the day surgery.

Whilst these chrome stanchions are not listed in the Parts Manual as a separate item, I've obtained a pair from Thunderbikes. (The ever helpful Mario)

There is an O Ring between the chrome stanchion and the lower fork casting.
Its size is the only piece of the jigsaw that I cant locate....and its not listed in the Parts Manual.

Can anyone assist with the size of this little fella?? (before the whole lot comes apart, and we find out its a weird size)

Thanx

Spozzy
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marcodeli
Squinternotto
Squinternotto
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Posts : 1
Join date : 2017-01-19
Age : 53

PostSubject: Re: Fork 'O' Ring dimensions sought.   Mon Jan 01, 2018 3:57 am

Hi
Me too I have a TENNI. 2010 40.000km
Recently I revised the front forks. (Thanks Enricoblues)

Pls can you post some picures?
tks
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ghezzi
Fra Cristoforo
Fra Cristoforo
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Posts : 2450
Join date : 2014-05-22
Age : 60

PostSubject: Re: Fork 'O' Ring dimensions sought.   Mon Jan 01, 2018 4:16 am

Preventative maintenance.
2000 grit wet and dry with WD40 will remove surface rust without damaging the chrome.
But you must polish the fork at 45*, not up and down or straight round. (cross hatch like honing a bore)

Also, if the oil seal (not the external dust seal) doesn't reach said point where rust is evident, your seals will be safe.

Failing that, a trip to the local bearing shop with the old 'O' ring will net positive results.

Guzzi don't make forks, they use Showa's on the GRiSO, standard item on 50% of Italian and on most Jap sports bikes. Guaranteed to be a standard metric item, would bet me left nut on it but Centre Bet says it has no value. What a Face
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http://www.biketowbrisbane.com.au
 
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