My guess is they're not much different from the '04 Z1 Freeride forks which aren't much different from the Z150's. They still have ETA one side and HSCV on the other don't they? I would plan on tearing the whole thing down unless you get lucky with separating the top-caps from the cartridges so make sure you have sockets that fit the footnuts on hand. Don't force the little red jam nut because it will either split or you'll hose up the cartridge.
For those that don't know, Mike is the rythm jump king builder/jumper in H-town. He and his crew are thanked for the best DJ/FR build in Houston. Mike, if you have time, pm me about the oil swap for the z1. I'd gladly make it worth your while
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