14. REAR WHEEL/SWING ARM/ HYDRAULIC BRAKE ATV 50 Bearings Inspect rear axle hub. Replace if bearings allow play in the axle hub or the bearing turns roughly. Replace if oil seals is wear or damage. Replace if rear axle hub is cracks, bend or damage. Bearing and oil seal replacement steps: Clean the outside of the rear axle. Remove the oil seal by a flat-head screw driver. Oil Seal Place a wood block against the outer edge to protect this edge. Remove the bearing by a general bearing puller. Install the new bearings and oils seal by reversing the previous steps. Do not strike the center race or balls of the bearing. Contact should be made only with the outer race. INSTALLATION Reverse the "REMOVAL" procedures. Apply grease onto the oil seal lips, bearings and bushes. Install the rear axle hub. At this time, the rear axle hub should not be tightened completely. Final tightening is done after the chain slack adjustment. Install the rear axle. Tap the axle and with a rubber hammer, this will avoid damage the axle thread. 14-10