stiff forks

norco4l

Likes Dirt
have a set of mz races's on my bike and they have about 30 or 40 mm of nice travel then they go really stiff
anyone no what i could do to fix them and do all forks have to have fork oil in the because im 95% sure these have non in them
 

~James~

Likes Bikes and Dirt
If your forks had no oil in them, you would have a bit of a problem:rolleyes:, rigid forks need no oil in them!
 

AngoXC

Wheel size expert
If your forks had no oil in them, you would have a bit of a problem:rolleyes:, rigid forks need no oil in them!
Pardon? Mate, I dont think you have much of an idea.

No, no oil.
The MZ series of fork are a cheap coil/elastomer set up. There is no damping circuit in them, hence, no need for oil...(possibly for lubrication but nothing that will have any effect on performance anyways.)

At the end of the day, they are a low-end OEM fork and I think your expectations are just a little to high of them.

Have you tried the decreasing preload via the top adjusters?

EDIT: What you can do is to get some fork oil (any synthetic/teflon lube will do) and squirt a bit on your seals, stanchions. Wipe of excess and cycle them fthrough their travel. Should free them up and get rid of any stiction if any.
 
Last edited:

AngoXC

Wheel size expert
Have you tried the decreasing preload via the top adjusters?

EDIT: What you can do is to get some fork oil (any synthetic/teflon lube will do) and squirt a bit on your seals, stanchions. Wipe of excess and cycle them fthrough their travel. Should free them up and get rid of any stiction if any.
Believe I already suggested all that you can do.
 

Juls

Junior Marzocchi Tech
I'd suggest make sure you don't have any binding in the fork,
lubricate the seals and bushings with a silicon grease, or silicon spray.
the internals of the fork (the spring/elastomer part) use a non lithium
grease to do this. (lithium grease will eat the elastomers and seals away)

In regards to making them softer, sometimes the coil section of the fork has a small rubber bumper/elastomer in it, removing this bumper can offer you a bit more sag and a softer overall ride, although this may come at the cost of
the vague damping effect given by the elastomer. Meaning the fork might feel more springy and less controlled.

Ultimatly the forks are not worth spending any concernable amount of money on. (more than $10 and it's a waste) so just try to make them work best you can without spending money. They are incredibly simple forks to work on, so you should be able to work out whats what with a few spanners and a spare 20 minutes.

Carefully examine your forks to make sure they are not bent.

Worst comes to worst, every now and then a nice set of older forks comes up for sale on here, if you shop carefully you can pickup something with incredible performance for less than $300. .just be wary of worn out forks.

Most higher end marzocchi oil bath forks that are no older than 2004 should still be in good nick. There was some issues with the 2001/2002 forks so steer clear of those. 2003 was better, but 2004 onwards would be your best bet.

most of the other brands of forks, there designs didn't lend to the fork being in good condition after 4-5 years, so be on the lookout for rarely used forks in other brands. well used forks are worth steering clear of.

regards
Juls
 
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