94 zx900b wonder about if the is a correct tool for thus model. All the wrenches I see will not work. The collar is down inside the swing arms housing. Yes yes mallet and chisel but i prefer a specific tool. The manual states adhusting with the shock out. Thats a uneccessary no go. I dont believe my static sag is right. Due to last person being a heavy individual. Try adjusting this other wise for a old cycle a new one is in order.