CR125 suspension setup.

[lake]

I am trying to properly set up the suspension on my 2001 CR 125. I am 5' 11", and weigh about 140 pounds. I race in the CMRC begginer class. My question is how do i check and adjust the sag on my bike?

 

[kawamaha]

go to:
www dot supercross-online dot de/Z/
(I'm not allowed to post the correct link???)
then "sag" on the left

 

[lake]

Alright, cool thanks man. The site helped a lot.