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General Category => General Discussion => Topic started by: oldbike54 on September 13, 2019, 07:14:47 AM

Title: Really stupid fork seal question
Post by: oldbike54 on September 13, 2019, 07:14:47 AM
 It is the wiper that does all of the sealing on the 45 MM Marzocchi forks , right ?

 Dusty
Title: Re: Really stupid fork seal question
Post by: LowRyter on September 13, 2019, 08:04:41 AM
One of the forks on my EV weeped for years.  I would clean it with a plastic hook.  But after a few years it began to leak pretty badly.

The seal and upper and lower bushings were changed.  Procured from Harpers.  I think it was about $75.

Perhaps that's not what you were asking?
Title: Re: Really stupid fork seal question
Post by: oldbike54 on September 13, 2019, 08:08:31 AM
Quote from: LowRyter on September 13, 2019, 08:04:41 AM
One of the forks on my EV weeped for years.  I would clean it with a plastic hook.  But after a few years it began to leak pretty badly.

The seal and upper and lower bushings were changed.  Procured from Harpers.  I think it was about $75.

Perhaps that's not what you were asking?

 Bushings are fine , but whoever put the fork seals in the Bassa managed to bugger the wipers up horribly . Looking at the two piece design indicates the upper *seal* is nothing more than a dust excluder , it sure appears the wiper does all of the sealing .

 Dusty
Title: Re: Really stupid fork seal question
Post by: RinkRat II on September 13, 2019, 08:31:04 AM

      Right You are, Dustmeister. The outermost piece is there to keep the big stuff out and the seal keeps the oil in.

   Paul B :boozing:
Title: Re: Really stupid fork seal question
Post by: oldbike54 on September 13, 2019, 08:34:06 AM
Quote from: RinkRat II on September 13, 2019, 08:31:04 AM
      Right You are, Dustmeister. The outermost piece is there to keep the big stuff out and the seal keeps the oil in.

   Paul B :boozing:

 Thanks Paul .

 Dusty
Title: Re: Really stupid fork seal question
Post by: Zoom Zoom on September 13, 2019, 11:37:17 AM
Humm, I think you should replace the really stupid fork seals with more intelligent ones.  :evil: :grin:

ZZ
Title: Re: Really stupid fork seal question
Post by: oldbike54 on September 13, 2019, 12:11:55 PM
Quote from: Zoom Zoom on September 13, 2019, 11:37:17 AM
Humm, I think you should replace the really stupid fork seals with more intelligent ones.  :evil: :grin:

ZZ

 Yeah , well , don't want to risk the seals being smarter than the rider .

 Smart phones ? No thank you  :laugh:

 Dusty
Title: Re: Really stupid fork seal question
Post by: bigbikerrick on September 13, 2019, 04:23:17 PM
So, on those forks the wiper is also part of the seal? I have never seen that before. Usually you have the wiper above, and below held by a circlip of some sort resides the actual oil seal. I always add gaiters to all my bikes forks , as soon as I can, so my fork seals seem to last forever !
Rick.
Title: Re: Really stupid fork seal question
Post by: Antietam Classic Cycle on September 13, 2019, 04:36:10 PM
Quote from: bigbikerrick on September 13, 2019, 04:23:17 PM
So, on those forks the wiper is also part of the seal? I have never seen that before. Usually you have the wiper above, and below held by a circlip of some sort resides the actual oil seal. I always add gaiters to all my bikes forks , as soon as I can, so my fork seals seem to last forever !
Rick.

Nope, separate dust wiper above and seal below.