15. REAR WHEEL/AXLE/SUSPENSION/ DRIVING MECHANISM MXU 250R/300R Make sure that the gear assembly rotates smoothly without binding. Dust Seal Bearing SWINGARM (MXU 300R) SWINGARM INSPECTION/BEARING REPLACEMENT Inspect the dust seal for wear or damage. If any damages are found, replace them with new ones. Remove the dust seals. Remove the swingarm bearing. Bearing Outer Race Inspect the swingarm bearing, outer race and bearing plate, if any damages are found, replace the swingarm bearing with a new one. Bearing Plate 15-38