15. REAR WHEEL/AXLE/SUSPENSION ATV 300/250 Dust Seal Bushes Dust Seals Remove the dust seals and the bushes from the lower rear swing arm. Inspect the lower rear swing arm. Wear/damage Replace. Inspect the bush. Wear/damage Replace. Lower Rear Swing Arm Dust Seals Bush Inspect the needle bearings. Bring allow play in the lower rear swing arm or bearing turns roughly Replace. REAR SWING ARM ASSEMBLY Reverse the "REAR SWING ARM DISASSEMBLY" procedures. Apply grease onto the oil seal lips, needle bearing and bushes. Install the upper rear swing arm and tighten Needle Bearing the bolt. Torque: 4 kgf-m (40 N-m, 29 lbf-ft) Pivot Shaft Check the tightening torque of the pivot shaft (rear fork) securing nut. Torque: 7 kgf-m (70 N-m, 52 lbf-ft) Check the rear fork side play by moving it from side to side. If side play noticeable, check the inner collar, bearing, bushing and thrust cover, or adjust the shim. 15-14