14. FRONT WHEEL/FRONT SUSPENSION/ STEERING SYSTEM MXU 250R/300R Apply grease Release the ball joints of the upper and lower arms off the knuckle, using the special tool according to the following instructions. Special tool: Ball join remover F012 Apply grease to the ball joint remover at the point shown. This will ease installation of the tool and prevent damage to the pressure bolt threads. Insert the jaws carefully, making sure that you do not damage the ball joint boot. Adjust the jaw spacing by turning the Ball Join Remover pressure bolt. Tighten the pressure bolt with a wrench until the ball joint stud pops loose. Remove the knuckle from the upper and lower arms Inspect the steering knuckle for cracks, pitting or damage. If any defects are found, replace the steering knuckle with a new one. 14-9