Lower Unit - Yamaha F30B 2018 Service Manual

Lower unit ........................................................................... 8-1
Removing the lower unit............................................................. 8-2
Checking the propeller ............................................................... 8-2
Checking the lower unit anode ................................................... 8-2
Water pump ........................................................................ 8-3
Checking the water pump........................................................... 8-4
Propeller shaft housing ..................................................... 8-5
Removing the propeller shaft housing assembly........................ 8-6
Disassembling the propeller shaft assembly .............................. 8-6
Disassembling the propeller shaft housing assembly ................ 8-6
Checking the propeller shaft....................................................... 8-8
Checking the dog clutch ............................................................. 8-8
Checking the propeller shaft housing ......................................... 8-8
Checking the reverse gear ......................................................... 8-8
Assembling the propeller shaft assembly................................... 8-8
Assembling the propeller shaft housing assembly ..................... 8-9
Drive shaft and lower case .............................................. 8-11
Removing the drive shaft.......................................................... 8-12
Disassembling the drive shaft assembly .................................. 8-12
Disassembling the forward gear............................................... 8-12
Disassembling the lower case.................................................. 8-13
Checking the shift rod............................................................... 8-14
Checking the pinion.................................................................. 8-14
Checking the forward gear ....................................................... 8-14
Checking the drive shaft........................................................... 8-14
Checking the lower case .......................................................... 8-14
Assembling the forward gear.................................................... 8-15
Assembling the lower case....................................................... 8-15
Assembling the drive shaft ....................................................... 8-18
Assembling the oil seal housing ............................................... 8-18
Installing the shift rod, drive shaft, and oil seal housing ........... 8-19
Installing the propeller shaft housing assembly........................ 8-20
Installing the water pump ......................................................... 8-20
Checking the lower unit for air leakage .................................... 8-21
Installing the lower unit............................................................. 8-22

Lower unit