9. FINAL REDUCTION AGILITY CITY 50 2T Inspect the final gear and final shaft for wear, damage or seizure. Check the left crankcase bearings for Drive Shaft Bearing Countershaft Bearing excessive play and inspect the oil seal for wear or damage. Final Shaft Bearing Inspect the drive shaft and gear for wear or damage. Check the transmission case cover bearings for excessive play and 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 shaft, also replace the bearing and oil seal. Drive Shaft Bearing Oil Seal 9-4