Yamaha F150B Service Manual page 278

LOWR
Shimming ................................................................................ 8-31
Shim location ........................................................................... 8-32
Selecting the pinion shim (T3) ................................................. 8-33
Pinion shim (T3) selection table .............................................. 8-36
Measuring the forward gear backlash ..................................... 8-38
Adjusting the forward gear shim thickness (T1) ...................... 8-39
Forward gear shim (T1) selection chart ................................... 8-41
Measuring the reverse gear backlash ..................................... 8-43
Adjusting the reverse gear shim thickness (T2) ...................... 8-43
Reverse gear shim (T2) selection chart .................................. 8-45
Lower unit (counter rotation model)
Removing the lower unit .......................................................... 8-49
Water pump and shift rod (counter rotation model)
Removing the water pump and shift rod .................................. 8-52
Disassembling the water pump housing .................................. 8-52
Checking the water pump and shift rod ................................... 8-52
Assembling the water pump housing ...................................... 8-52
Propeller shaft housing (counter rotation model)
Removing the propeller shaft housing assembly ..................... 8-55
Disassembling the propeller shaft housing assembly ............. 8-55
Checking the propeller shaft housing ...................................... 8-56
Checking the propeller shaft .................................................... 8-56
Assembling the propeller shaft housing assembly .................. 8-57
Drive shaft and lower case (counter rotation model)
Removing the drive shaft ......................................................... 8-61
Disassembling the drive shaft housing .................................... 8-61
Disassembling the reverse gear .............................................. 8-61
Disassembling the lower case ................................................. 8-61
Checking the pinion and reverse gear ..................................... 8-62
Checking the drive shaft .......................................................... 8-62
Checking the lower case ......................................................... 8-62
Assembling the lower case ...................................................... 8-62
Assembling the reverse gear ................................................... 8-63
Assembling the drive shaft housing ......................................... 8-63
Installing the drive shaft ........................................................... 8-63
Installing the propeller shaft housing assembly ....................... 8-63
Installing the shift rod .............................................................. 8-64
Installing the water pump ........................................................ 8-64
Checking the lower unit for air leakage ................................... 8-64
Installing the lower unit ............................................................ 8-64
.................................. 8-47
...... 8-50
......... 8-53
.... 8-59