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PostPosted: Sun Dec 02, 2018 12:56 am 
Retro Guru
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Joined: Tue Aug 25, 2009 5:35 pm
Posts: 373
Location: Germany
Hi,

I'm wondering what kind of seals have been produced by Marzocchi for the 30mm Bomber's.
Nowadays I can find offers from 15 up to 49,95 ($ / € / etc.), but I'm not sure about. What is sold most? Did yome of you need such seal kit's and had problems to get a kit?

Have a look at this 2 pictures, it shows the dust seals and the oil seals, I found both in 2 versions. Apart from the Enduro replacements I'm wondering what kind of seals had also been produced?

Which are the last and best for Marzocchi 30mm Bombers?

Do any of you can provide pictures about other types of 30mm seals?

What's the current best offer for a kit (2x dust + 2x oil seals)?

Thanks!


Attachments:
Bomber 30mm Oil Seal Differences 800px.jpg
Bomber 30mm Oil Seal Differences 800px.jpg [ 172.92 KiB | Viewed 191 times ]
Bomber 30mm Dust Seal Differences 800px.jpg
Bomber 30mm Dust Seal Differences 800px.jpg [ 106.95 KiB | Viewed 191 times ]
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PostPosted: Mon Dec 03, 2018 4:29 pm 
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Joined: Thu Oct 16, 2014 2:27 pm
Posts: 369
Location: between Earth and Sky
the higher ones are made for the cnc arch forks, the lower (least taller) ones for the one-piece (commonly knows as the M-arch) forks.
there is a difference in the outer diameter, and there is less available space in the M-arch forks - that means the newer seals fit the older forks without a hiccup.


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 Post subject: Re:
PostPosted: Mon Dec 03, 2018 11:33 pm 
Dirt Disciple

Joined: Sun Apr 10, 2016 9:22 pm
Posts: 59
It's the opposite from what I've seen, taller dust seal is for newer forks, short one is the older style.

All the original bolt together cnc arch forks I have here have the shorter dust seal that says Marzocchi and a part number. The dust boots interface correctly with the shorter seal.

All the m-arch forks I've seen came with the taller seal that does not work with boots. They are all early two piece m-arch forks, not the later one piece lowers, don't think that matters at all though.

I would tend to trust the later seals just because they are probably a decade newer and are still usable.


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 Post subject: Re:
PostPosted: Tue Dec 04, 2018 7:43 pm 
Retro Guru

Joined: Wed Aug 24, 2011 9:31 pm
Posts: 1027
Location: somewhere in time
I've bought oil seals from the local motorcycle dealer with the same specification as the original Bomber seals. 5 or so pound for a set of 2.


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 Post subject: 30mm seals
PostPosted: Thu Dec 06, 2018 10:05 pm 
Dirt Disciple
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Joined: Sun Jun 25, 2017 4:08 pm
Posts: 74
Location: witney
i was in a similar situation a while ago with 30mm seals and took a punt on these from ebay. bought two sets for my y2k bomber z4 flylights and my z3 m80s. they are slightly thicker/taller but fit perfectly under the circlip and seal up lovely. i have been ridding both sets and can report the seals are still sealed :D
i only needed the oil seals as the wipers were still good.

https://www.ebay.co.uk/itm/30-x-40-x-8- ... 2749.l2649


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