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PostPosted: Mon Nov 04, 2013 7:27 pm 
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I'm looking to service a Marzocchi XC600 fork. Looking at the service manual, there's mention of a "plug extraction tool". Is this something special that's required? If so, does anyone know where I can get one? Or can I use something else as a substitute?

Image

Also what fork oil can someone recommend for the XC600 rebuild? I picked up some Specto Golden 125/150 7.5w for a set of Marzocchi Z2 Flyweight fork. Can I use the same oil?


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PostPosted: Mon Nov 04, 2013 8:36 pm 
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Let the air out
Push the cap in a bit. Might need a gentle tap.
Take the clip ring off

Then grab the valve gently and pull/wiggle/twiust the cap out.

You could try plowing the fork up to push the cap out. Not needed to try so not sure how it'll pop.

Basically as far as I could tell, the tool screws onto the valve just to make it easier to pull.


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PostPosted: Mon Nov 04, 2013 8:37 pm 
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I think, but need to check, that you're up in 20wt with these forks.


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PostPosted: Mon Nov 04, 2013 10:17 pm 
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Oryginal oil is 20W, I'm using 15W as well but 7,5W will be def not good

This tool helps to remove plug - I'm just exhale air form fork, pushing the plug a bit into the stanchion, then removing cotter and pump the fork very carefully - presure will remove the plug, but You have to do it carefully!


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PostPosted: Mon Nov 04, 2013 10:24 pm 
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i think you're correct about the weight. there's one small mention of 20 SAE in the service manual. :?


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PostPosted: Mon Nov 04, 2013 11:02 pm 
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hmmm, according to this chart, the oil i picked up is actually the marzocchi factory oil. i think i came across this info before and hence why i ended up sourcing and buying this specific oil before.

thoughts?

http://www.mediaturbo.com/clients/marzo ... osity.html


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PostPosted: Tue Nov 05, 2013 6:40 am 
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It is for 7.5wt oil forks I guess.
But these are 20wt oil forks.

No matter how small the mention is, isn't going to make it wrong.
Sutherland's 6th has the oil height tuning (I'll type them when I find my PDF) they are pretty much the same as the xc500.


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PostPosted: Tue Nov 05, 2013 2:40 pm 
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i got the chart from this post on MTBR. according to the OP, you need to look at the viscosity as opposed to the advertised weight of the oil, as manufacturers are not consistent with that between brands.

http://forums.mtbr.com/shocks-suspensio ... 90797.html


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PostPosted: Tue Nov 05, 2013 2:53 pm 
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More info from the same MTBR thread:

http://www.peterverdone.com/wiki/index. ... sion_Fluid

http://www.peterverdone.com/wiki/images ... _Chart.pdf


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PostPosted: Tue Nov 05, 2013 3:20 pm 
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But xc600 are 20wt
Bombers are 7.5wt

You can of course stick it in and see how they feel.
Pressure is 40 to 80psi... from memory


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