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Jeremy/MXT assoc. - spring rates?
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Posted by: MX-727---------------------
Need spring rates for '2 YZ250.
195lbs, novice, MX. Mostly loam to hard pack. No sand really.
How about recommended valving changes?
Thanks
Posted by: Vic---------------------
Go here.
http://www.mx-tech.com/SBW/springrate.asp
Opinons may vary.
Posted by: shaggy829---------------------
hey 727
how about .45 -and 5.0 these come straight from my associate spring generator:D
Posted by: MX-727---------------------
Here's something funny. I already went to the spring rate generator. It starts at 01 and goes backwards. I figured he hadn't got the rates up for the 02 yet. After you two posted, I went back and saw the same thing, but I decided to scroll all the way to the bottom. So, I see that the 02's have been added to the bottom. Thanks for the help.
The great news is these are the stock spring rates. Hard to believe that a manufacturer actually installed springs for real people vs. featherweights. 
Posted by: Vic---------------------
I've noticed that Jer's rate recs tend to be a bit lighter than others.
I don't know if the " rider weight" input for the spring generator is supposed to be with or w/o gear.
Posted by: shaggy829---------------------
the generator needs your total weight (geared up).
i am not sure why but there are some mistakes as far as stock rates being
listed in the bike spec page. i am shure they will be adjusted soon. the 02 yz 250 uses .43 and 4.8 stock
Posted by: MX-727---------------------
I just double checked the manual. It does indicate a 4.8 and .43's, so I guess I'm going to have to get some stiffer springs after all.
Thanks for the help.
Posted by: yota---------------------
when I get on the spring rate generator for my 02 125 sx it gives me nothing.
The bike is listed but the rates don't come up at the top of the page.
Posted by: Vic---------------------
Quote:
Originally posted by shaggy829
the generator needs your total weight (geared up).
|
How do you know that? :think
Posted by: shaggy829---------------------
hey vic
the reason i know how the genarator works is because i have the same genarator downloaded into my p.c. it and many other tools are supplied
to all mx -tech suspension associates to aid in with setup task.:D
Posted by: Vic---------------------
Cool.
Posted by: moto242---------------------
the ktm spring generator should be going in a week or two
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