9. FINAL REDUCTION DINK 125/50 Inspect the final gear and final shaft for wear, damage or seizure. Check the left crankcase bearings for Drive Shaft Bearing Final Shaft Bearing excessive play and inspect the oil seal for wear or damage. Countershaft Bearing Oil Seal 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 replace- ment. When replacing the drive shaft, also replace the bearing and oil seal. Drive Shaft Bearing 9-11