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Enduro Suspension Tuning & maintenance of Enduro forks, shocks, etc |
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#1
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I also looked at your stacks again and don't think I would change the mid comp stack too much. It only has 2 x 20.1's already.. Did you mention what the float clearance is? |
#2
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No I did not. I honestly don't know what that is or how to measure it.
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WildAzzRacing YouTube channel Trail Riders of Southern AZ club AZ State Parks OHV Ambassador '11 EC250R '98 KDX220 |
#3
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The damper rod has the piston attached to the end. One side is rebound, the other compression. With it assembled you'll notice that the compression side can float between the piston and its stopper. You can use feeler gauges to measure it up, or physically measure the amount of post without any shims and then subtract the stack.
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#4
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Ok, I understand that. What is it's significance?
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WildAzzRacing YouTube channel Trail Riders of Southern AZ club AZ State Parks OHV Ambassador '11 EC250R '98 KDX220 |
#5
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The more float, the more the mid valve compression stack can move away from the piston face, the less initial damping you have.
Tight float tends to feel firm and sharp with feedback through the bars; but not necessarily harsh. Opening it up gives a plusher kind of ride. But it's just another variable in the whole setup. However, the mid valve is constantly displacing large volumes of fluid in both directions. Comparatively, the base valve which is a larger piston only has to flow the oil displaced by the damper rod entering the inner chamber/cartridge. As such changes in the mid tend to be more noticeable. |
#6
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I feel like a base valve change would be the quickest and easiest though, and given that the comp adjuster is just a free bleed past the base valve it would be the best place to try and get your clicker centered again. The problem being your base stack already has a lot of free bleed and I don't think adding more to the stack is the right way to go.
For comparison my 2013 had this as its stock stack. BASEVALVE/Piston 12x.10 32x.15 (2) 26x.15 24x.10 22x.10 20x.10 18x.15 11x.20 (2) I ended up with this.. but it was more of a build a whole new stack vs modifying the existing. 13x.1 32x.10 (3) 24x.10 32x.10 32x.15 (1) 30x.10 28x.10 26x.10 24x.10 22x.10 20x.10 18x.10 16x.10 14x.2 11x.2 (2) |
#7
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Thank you so much for the info and advice. Your explanation of the mid valve stack and it's float made it where even I could understand the concept. It takes me a while to grasp how some things work but once I do it's like an "ah ha!" moment.
So, what I'm thinking for what I currently have... piston 11 x .3 11 x .3 18 x .1 20 x .1 24 x .1 13.8 x .1 31.8 x .15 31.8 x .15 28 x .1 2.5 spacer ...and going to... piston 11 x .3 11 x .3 13.8 x .1 18 x .1 20 x .1 28 x .1 31.8 x .15 31.8 x .15 24 x .1 2.5 spacer ...then, if needed, I can play with the float by removing the 11 x .10 from it's stack or maybe moving it between the two 20 x .10 shims. Does it sound like any of this might work? I think I'm about at that point I might have to send it to LTR or ZipTy. I wonder if either sells stacks so I don't have to ship my forks?
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WildAzzRacing YouTube channel Trail Riders of Southern AZ club AZ State Parks OHV Ambassador '11 EC250R '98 KDX220 |
#8
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Hopefully someone with more knowledge will chime in. Unfortunately if you flip the compression valve over and reverse the shim stack you may have to start at ground 0 and then revalve from there to your liking. I have watched your video several times as I am having issues of my own. I had a shop replace seals, bushings and they revalved as well. It feels like there is some kind of binding or hydro lock going on in mine. The first inch or so seems to take alot of force to start moving the forks down in the stroke. I have removed some compression shims that they put in but the issue persists. My forks were also shortened 30mm beforeaI bought them so it may complicate my issue. Although I used them for 3 years and they seemed to work much better than they do now. I'm not sure what my next step will be with my forks, but the deflection I'm getting now is taking the joy out of riding my dirt bike. Last edited by kenfm2000; 06-07-2020 at 11:23 AM. |
#9
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Like I mentioned on Youtube, I'm not sure which direction the base valve should sit. I just put it back in the way I pulled it out. Yes, hopefully someone with more knowledge will chime in and confirm whether my setup is correct or not. I have another set of the 48 PFP's but haven't disassembled them yet to take a look.
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WildAzzRacing YouTube channel Trail Riders of Southern AZ club AZ State Parks OHV Ambassador '11 EC250R '98 KDX220 |
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