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Enduro Suspension Tuning & maintenance of Enduro forks, shocks, etc |
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#1
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2010 Sachs fork factory compression stack specs(ec300)
ok, now I have investigated the factory settings of the fork. I was surprised to find 140mm oil level, and a light 2-stage compression stack.
Stack: 24x.15 12x.15 20x.15 16x.15 14x.15 12x.15 10x.30 10x.30 comp piston has two large channels for the compression flow, with two 1 mm-bleed holes. |
#2
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Quote:
I have the 2010 450 and have only ridden it once so the forks need more running in. I found them not to bad,a little bit firm in the mid stroke. |
#3
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Forks feel terrible on small stuff. Harsh on roots and the like. However I have identified a misalignment/sticktion problem, but have not had the opportunity to test it with problem solved.
It should perform very good for the type of rocky riding i mostly do. We'll know by this evening. |
#4
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Sounds good please let us know how you went.
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#5
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It must be the moon rocks in Sweden, because the stock EC (250/300) forks feel pretty decent on small stuff in Michigan. Not so much on the slap downs, but overall really good for out of the box legs.
HOWEVER - check the forks carefully and take action on this - I found the 1.0mm thick spring spacer ring on the top of the spring cracked and coned. The springs have very little pre-load to begin with so my plan was to replace the original with a 3.0mm spacer, but if this had completely broken it would have been catastrophic. The forks look good as far as construction goes, but with some odd-dimensioned components, but the work to modify the compression tap and valve stack for increased tuneability continues.
__________________
Steven Beane #275 PlusOnePerformance - Superior Service the World Over - Dearborn MI AMA District 14 (Michigan) Officer afterhourscycle.com Michigan's Beta and TM Race Headquarters |
#6
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The base valve is only part of the problem.
The mid- valve, spring rates and rebound come into play in making the Sachs and Marz for work. I finally got my forks working great after a re-spring and several valving adjustments to all three areas. Just a note I am using 3w oil with 130mm oil level |
#7
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Quote:
The Marz fork has a removable one, that allows removal and thus the rod can be removed to access the rebound and mid-valve piston/stack. Looks like on the Sachs you have to remove the cart head which requires a special cart body holding tool and some heat to split the two apart. Anyone who has had one apart care to comment on that ?? |
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