Yamaha F150B Service Manual page 277

LOWR
Lower unit (regular rotation model)
Removing the lower unit ............................................................ 8-3
Water pump and shift rod (regular rotation model)
Removing the water pump and shift rod .................................... 8-6
Disassembling the water pump housing .................................... 8-6
Checking the water pump and shift rod ..................................... 8-7
Assembling the water pump housing ........................................ 8-7
Propeller shaft housing (regular rotation model)
Removing the propeller shaft housing assembly ..................... 8-10
Disassembling the propeller shaft assembly ........................... 8-10
Disassembling the propeller shaft housing assembly ............. 8-11
Checking the propeller shaft housing ...................................... 8-11
Checking the propeller shaft .................................................... 8-11
Assembling the propeller shaft assembly ................................ 8-11
Assembling the propeller shaft housing assembly .................. 8-12
Drive shaft and lower case (regular rotation model)
Removing the drive shaft ......................................................... 8-16
Disassembling the drive shaft housing .................................... 8-16
Disassembling the forward gear .............................................. 8-16
Disassembling the lower case ................................................. 8-16
Checking the pinion and forward gear ..................................... 8-17
Checking the drive shaft .......................................................... 8-17
Checking the lower case ......................................................... 8-17
Assembling the lower case ...................................................... 8-17
Assembling the forward gear ................................................... 8-18
Assembling the drive shaft housing ......................................... 8-19
Installing the drive shaft ........................................................... 8-20
Installing the propeller shaft housing assembly ....................... 8-20
Installing the shift rod .............................................................. 8-21
Installing the water pump ........................................................ 8-22
Checking the lower unit for air leakage ................................... 8-22
Installing the lower unit ............................................................ 8-23
Shimming (regular rotation model)
Shimming workflow ................................................................. 8-25
Shimming check sheet ............................................................ 8-26
Measuring the forward and reverse gear backlash before
disassembly ............................................................................. 8-28
Lower unit
..................................... 8-1
.................................... 8-25
8
......... 8-4
............ 8-8
..... 8-14
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