I have a 2003 Marzocchi Marathon SL fork that uses air for both the positive and negative pressures. Last time I aired it up was a few months ago and I took it out on a ride last week and it had lost most of the air pressure making it extremely easy to bottom out and making it's suspension benifits negligable. What could be the most likely source of the problem and how should I go about fixing it?
Also, I don't know if it is related or not but the fork does spit out a very small amount of oil when you disconnect the air pump from the positive air valve and has done so for over a year but until today I haven't had any problems with the fork and the LBS said as long as problems didn't occur then it shouldn't be too bad. Maybe this is related, maybe not.
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