QuotePull your fork caps, the spacer, spring cups and springs. Jack up the front end and then check your fork oil level. You may find that you're low.

Just a heads-up -- by the above he means you need to fully compress the fork before attempting to measure the fork oil level.  With my bike on its centre stand and all the weight off the front tire, all it took to fully compress the forks was a single brick.

C

Ok I got my progresive in the mail today, purchased PVC tube and made spacers, now before I start I have 2 questions.

First how do you properly drain the oil, not the lazy way, but completly get rid of it so that I can put in w15

Second is once I drain the oil how do I measure how much of the new one I need. Should the springs be in or not when I pour and measure oil? How high should the level be? Do I measure from the top or the bottom of the fork?

thanks

I dont have pregressives but it should have instructions that tell you how much to put in, I think it is a number amount.  When I replaced my oil I just took out the fork legs one at a time and poured them out and pumped the leg alittle.  I think the lazy way might be siphoning it out.

Quote from: Zhenya13First how do you properly drain the oil, not the lazy way, but completly get rid of it so that I can put in w15

Remove forks, and turn fork assembly upside down to drain completely.

Quote from: Zhenya13Second is once I drain the oil how do I measure how much of the new one I need

382ml or 12.9 US oz.  You could also fabricate a special oil length measure tool, and check that the level 3.9 inches (with fork vertical, completely compressed and no springs).  If you plan to do this work yourself, I'd strongly suggest picking up the Clymer manual.  And if you are ordering it online, use the link on this site.

Quote from: sys49152You could also fabricate a special oil length measure tool

Or buy a purpose-built one, if you're into that sort of thing.  For some info on both options, see this post and the next few after that.

Which way do progressives go in?

Quote from: Zhenya13Which way do progressives go in?

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I believe that the instructions that came with the springs indicates that it doesn't matter.  I put mine in with the tightly wound coils down.

Quote from: BUZZINI believe that the instructions that came with the springs indicates that it doesn't matter.  I put mine in with the tightly wound coils down.

That's right -- the reasoning provided in the instructions said something along the lines of, 'Some people found installing the springs tightly-wound end down reduced spring noise...' but that didn't make a whole lot of sense to me.  How noisy could springs suspended in heavy oil really be?

C