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confused about sag..


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ok, so i took the measurements for setting my sag but i have no idea what to do with them.

with me on the bike i measured 19 13/16".

for just the bike(static sag i think) i got 24"

and for the bike on the stand i came up with 25"

so what is the next step? what do i do with this data

im riding a 2006 yz250f if thats needed

thanks for any help

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great.. how soft is it? just one size too soft or am i way off

you didn't mention your weight.

the calculator kan mentioned is a good starting point.

you can use the one from MX-Tech as well and compare the results to get an idea.

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It also depends what type of riding you do. MX or woods or desert? For woods you need softer ride as you never jump very high. SOunds like you are right on for your weight. What is the suspension issue you are trying to solve? Are you bottoming out or ??? The object is to get a smooth controlled ride without arm pump.

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im bottoming out both shocks... again. this has happened with every bike i buy!

some jumps make if feel like im going to break a wrist and i can feel the back end bottom out.

im not racing mx as much as i want to. the doc and parents wont let me

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Your right I read his measurements wrong, he has over 130mm of sag.

You either measured your free sag wrong or you don't have the stock spring on your bike. You wouldn't be getting ~130 rider / 25 free if the spring you had was too stiff.

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im bottoming out both shocks... again. this has happened with every bike i buy!

some jumps make if feel like im going to break a wrist and i can feel the back end bottom out.

im not racing mx as much as i want to. the doc and parents wont let me

I'd say you are either very fast, or there is something wrong with the suspension. That bike has great suspension stock, and at 135 you shouldn't be bottoming that hard if everything is in order as far as spring rates, valving and oil levels.

I'd get the springs checked first, then consider a revalve.

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there doesnt seem to be a finish on it. just the gray/silver metal

See if a magnet sticks to it. If not chances are high that's a stock spring and you should measure again. A stock spring shouldn't give you those numbers. If your measurements are correct you still need a new spring.

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