9. DRIVE AND DRIVEN PULLEYS ATV 300/250 Bolts Remove the left crankcase cover bolts and left crankcase cover. Remove the gasket and dowel pins. INSPECTION Bearing Inspect the bearing for allow play in the left crankcase cover or the bearing turns roughly Replace. Gasket INSTALLATION Install the dowel pins and new gasket. Reverse the "LEFT CRANKCASE COVER REMOVAL" procedures. Install the left crankcase cover and tighten the bolts. Connect the drive belt air inlet and outlet hose and tighten band screws. Install the starting cover and outlet hose cover. Dowel Pins DRIVE PULLEY Drive Pulley Universal Holder REMOVAL Remove the left crankcase cover. (Refer to the "LEFT CRANKCASE COVER REMOVAL" section in the chapter 9) Hold the drive pulley using a universal holder and remove the drive face nut and washer. Remove the drive pulley. Special tool: Nut Universal Holder E017 9-4