Link do not rotate in motion view

Hello,

I am facing one problem in motion view four links  attached with respect to motion with each other. one spring transfer motion from fork to upper link cause it to rotate with revolve pair with blue link . But in simulation is is not happening, springs values are correct.

In below attach image for reference

Here in photo yellow colour link rotate wrt green colour link and green colour link is fixed with ground. the fork is rotate and causes to rotate the yellow link.