10.FINAL REDUCTION/ TRANSMISSION SYSTEM Mongoose/KXR 90/50 Bolts TRANSMISSION CASE COVER REMOVAL Remove the drive sprocket. ( 6-2) Remove the left crankcase cover. ( 9-2) Remove the clutch/driven pulley. ( 9-10) Drain the transmission gear oil into a clean container. Remove the transmission case cover attaching bolts. Remove the transmission case cover. Remove the gasket and dowel pins. Transmission Case Cover Bearings Inspect the bearings for allow play in the transmission case cover or the bearings turn roughly. If any defects are found, replace the bearing with a new one. Inspect the final shaft bearing oil seal for wear or damage. Do not remove the transmission case cover except for necessary part replacement. When replacing the drive Transmission Cover Oil Seal shaft, also replace the bearing and oil seal. Final Gear Countershaft Remove the final gear and countershaft. Bearings Inspect the bearings for allow play in the transmission case cover or the bearing turns roughly. If any defects are found, replace the bearing with a new one. 10-3