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fork seals

Started by Mat, May 12, 2005, 06:19:32 PM

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Mat

anybody have these (the pro-moly ones)
http://www.honda-kawasaki-suzuki-yamaha.com/cdcat/displayimage.php?album=79&pos=22

i picked them up a little while ago and i just can't get them to stop leaking
going to try turning them upsidown and see what happens but i am sure they are installed correctly

they don't leak when i have them off the bike and compress the forks.  BUT as soon as i install the forks and wheel on the bike, and take it off the stand and compress the forks they leak like a sieve
Matt with one t
www.pashnit.com/
91 gs500e
04 cbr600rr

cernunos

Never used "Pro Moly", but when I was doing fork seals they probably didn't even have them. Upside down? If they leak when installed properly I don't see how they will leak upside down. They are usually installed with the lip-edge facing down into the legs. Is that how you installed them? Love the Baby GS, Greenland (cold, cold place) and this forum.

C........
Don't hurt, don't take, don't force
(Everybody should own an HD at least once)
(AMF bowling balls don't count)
Jake D for President 2008

Gisser

A couple things about Leak-proof seals...

1] The surface that the seal outer diameter slides into has to be clean and free of rubber residue from the old seal.

2] These seals have to be shimmed properly.  They need to float just a bit as per instructions.  You may need to fabricate as shim or two if the included shim does not provide the specified clearance.

:thumb:

Edit...Oops, I see that Leak-proof has a new line of conventional fork seals, so this post may not apply to your situation.  :dunno:

Mat

excuse my ms paint skills
but this is how i installed them


this is probally the third set of seals i have installed so i am pretty sure i got it right

never done leak proof seals before though


fork tubes were very clean when i installed them


i am thinking of just scrapping these and getting regular seals just to get it over with so i can start riding again (supposed to be in the 70*'s all week
Matt with one t
www.pashnit.com/
91 gs500e
04 cbr600rr

scratch

I've already gone through a set of Leak-Proof (yeah, right), and I am not impressed; they weeped right after installation, and I know I installed them correctly.

Edit: I knew something made in America wasn't going to work on something made in Japan (of course, here I am, an Amercian riding a Japanese motorcycle).
The motorcycle is no longer the hobby, the skill has become the hobby.

Power does not compare to skill.  What good is power without the skill to use it?

QuoteOriginally posted by Wintermute on BayAreaRidersForum.com
good judgement trumps good skills every time.

Gisser

The fork sliders have to be clean and free of debris, not just the fork tubes.  IIRC, the kit specifies the ideal amount of seal clearance between the washers--like .025'' or some such.  The idea behind Leak-proof is that the double wiper design [inner and outer diameter] reduces seal lip deflection from the slop in the fork tube/slider fit, which causes a conventional seal to lose its shape once the elasticity begins to wane.  When I installed them on my older GS, the kit washers left too much clearance allowing the seal to move too much and I had to improvise some thicker shims.  After that, they didn't leak a drop.  :cheers:

The Buddha

Pro moly's never leaked for me ... I sometimes oil or soak them in fork oil before putting them ... The softer the better is my thinking on seals, also I put vaseline in the gap between the dust seal and fork seal ... I like the pro moly ... and want to punch the Idiot parts counter clowns that call it Chrome-moly ... :x
Cool.
Srinath.
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Mat

well i think i will run to the depot tomorrow do get some shat to try to shim them better

thanks for your help
Matt with one t
www.pashnit.com/
91 gs500e
04 cbr600rr

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