Marzocchi Fork Oil Change

[eff]

OK, I need to change my fork oil. Probably over due, but I don't ride every weekend. I bet I only have about 50 hours on my bike (since I got my trailtech it has only recorded 30 hours of ride time.)

I have the Marzocchi manual and everything seems straight forward, but is there anything I should know or look for before I get started?

Thanks.

I just watched this video and it's made me want to run down to the Sandy Lane!!! http://www.tafsmedia.com/video/2008/crash.html

I don't fall that much drunk. (not riding of course)

[Nick]

That guy is fun to watch. He has to be worn out at the end of a day.

[Dave]

The 'Zokes are very easy to work on. Follow the manual, but skip section 4.8 (Overhauling and modifying the cartridge and bottom valve setting). Just spray those assemblies with carb cleaner or the like.

[GMP]

That may be a real mess @ 50 hrs, especially if its 50 hrs with a ot of down time. In addition to the debris the oil absorbs moisture and breaks down, with a sticky consistancy. Pull the base valves and cartridges and clean everything up good. My brother let one of his Huskys Zokes go too long and we had to pull the valving apart it was so bad. I'd flush the fork with some ATF before pulling the cartridges to get the worst out, helped on the Husky.

[eff]

Glenn, why ATF and not some fork oil?

[eff]

That leads me to another question. The manual says 7.5wt fork oil. Which do you recommend?

[GMP]

Fork oil would be fine, but ATF is cheap and if your going to use a quart for a fill, purge, and dump, why blow $. Its mainly to get all the crap out that settled and stuck in the bottom of the fork. Spectro 125/150 fork fluid after its back together.

It may not be too bad depending on the oil. When you pull the springs, if they have a "sticky" feel to them, you have a job ahead of you. If not, its not too bad. Belray after a season was nasty, really surprised me.

[eff]

Thanks Glenn. That will be my project this week. I'll let you know how I make out.

[GMP]

I did mine last month as part of winter maintanence. I thought about doing a photo shoot. Its just such a messy job I didn't want to handle my nice camera, plus it would just double the time in an unheated garage when it was 10 F outside.

[eff]

Originally Posted by Dave

The 'Zokes are very easy to work on. Follow the manual, but skip section 4.8 (Overhauling and modifying the cartridge and bottom valve setting). Just spray those assemblies with carb cleaner or the like.

Thanks Dave, I now noticed my manual was outdated. The newer one is much nicer.

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