10.FINAL REDUCTION/ TRANSMISSION SYSTEM MXU 300/250 Splines INSPECTION Inspect the secondary driven bevel gear shaft splines for wear or damage. Inspect the secondary driven bevel gear shaft for blue discoloration, pitting or wear. Inspect the bevel gears and speedometer gear Bevel Gear Bevel Gear for blue discoloration, pitting or wear. Speedometer Gear Secondary Driven Bevel Gear Shaft SECONDARY DRIVEN BEVEL GEAR ASSEMBLY Apply engine oil to the secondary driven bevel gear shaft. Install the secondary driven bevel gear shaft into the case. 10-25