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PostPosted: Wed Apr 17, 2013 7:39 am 
Dirt Disciple

Joined: Wed Mar 27, 2013 11:37 pm
Posts: 93
Location: Bristol
Just picked up a pair of Z4's from Flea Bay. They need a service, never done one before. I have the Mazochi manual, all looks fairly simple.

How will I know if the seals need replacing and is there anywhere cheaper than £16 a set from CRC?

Cheers,
JT


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PostPosted: Wed Apr 17, 2013 7:44 am 
retrobike rider
retrobike rider
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Joined: Fri Aug 08, 2008 2:36 pm
Posts: 16747
Location: Yorkshire, England
16 quid is not a bad price, it is 4 seals in total, two oil and two dust wiper.

If oil is pissing through them or they are cracking.

Check bushings while you are at it if you take the seals out.


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PostPosted: Wed Apr 17, 2013 9:31 am 
Dirt Disciple

Joined: Wed Mar 27, 2013 11:37 pm
Posts: 93
Location: Bristol
Thanks Fluffy, will they be noticeably cracked and leaking if they need replacing or should I do 'em as a matter of course?

JT


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PostPosted: Wed Apr 17, 2013 9:56 am 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8204
Location: New Forest, UK
My LBS was way cheaper on seals, around £10 IIRC. It might be worth checking yours.


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PostPosted: Wed Apr 17, 2013 10:40 am 
Dirt Disciple

Joined: Wed Mar 27, 2013 11:37 pm
Posts: 93
Location: Bristol
Thanks Hamster, how will I know if they need replacing, or is it best practice to do it every service?

JT


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PostPosted: Wed Apr 17, 2013 7:49 pm 
Retro Guru
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Joined: Sat Jul 18, 2009 8:52 pm
Posts: 793
Location: Costa-del-Oldham
http://www.petracycles.co.uk/marzocchi- ... 0_615.html


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PostPosted: Thu Apr 18, 2013 2:51 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
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Joined: Sun May 25, 2008 11:03 am
Posts: 18207
Location: Sunny Glasgow
Best replacing both oil and dust seals at the one time. Chances are the dust seal will be damaged getting it out so best to order the full set and go from there

Fitting is easy but you must have a freezer :wink:

Once youve replaced both seals(on both sides), changed the oil(choosing your viscosity) and torqued it all back together you wont need to do another seal change for about 7 or 8 years. Best swop out the oil say every 3 years and you should be right as rain :D


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PostPosted: Thu Apr 18, 2013 4:18 pm 
Dirt Disciple

Joined: Wed Mar 27, 2013 11:37 pm
Posts: 93
Location: Bristol
'Torqued it all back up'? - haven't seen any reference as to how tight they need to go back together?

JT


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PostPosted: Thu Apr 18, 2013 4:40 pm 
Old School Hero
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Joined: Sat Feb 02, 2013 1:18 pm
Posts: 195
Location: Japan
Houlio99 wrote:
'Torqued it all back up'? - haven't seen any reference as to how tight they need to go back together?

JT

Try here http://www.enduroforkseals.com/sitebuil ... _alloy.pdf This is for the '99 Z4s but I doubt the torque specs would change. Does it say "98" on the inside of the lowers?


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PostPosted: Thu Apr 18, 2013 5:47 pm 
Dirt Disciple

Joined: Wed Mar 27, 2013 11:37 pm
Posts: 93
Location: Bristol
Thanks Valve Bouncer, yes I have a set of 98s

Cheers,


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