Yamaha F225F Service Manual page 378

LOWR
Disassembling the water pump housing .................................. 8-70
Checking the water pump and shift rod ................................... 8-70
Assembling the water pump housing ...................................... 8-70
Propeller shaft housing (counter rotation model) ........ 8-71
Removing the propeller shaft housing assembly ..................... 8-73
Disassembling the propeller shaft housing assembly ............. 8-73
Disassembling the forward gear .............................................. 8-73
Checking the propeller shaft .................................................... 8-74
Checking the dog clutch .......................................................... 8-74
Checking the propeller shaft housing ...................................... 8-74
Checking the forward gear ...................................................... 8-74
Assembling the propeller shaft housing assembly and
forward gear ............................................................................ 8-74
Drive shaft and lower case (counter rotation model) .. 8-76
Removing the drive shaft ......................................................... 8-78
Removing the reverse gear ..................................................... 8-78
Disassembling the oil seal housing ......................................... 8-78
Disassembling the drive shaft ................................................. 8-78
Disassembling the reverse gear .............................................. 8-78
Disassembling the lower case ................................................. 8-78
Checking the pinion ................................................................. 8-78
Checking the reverse gear ...................................................... 8-78
Checking the drive shaft .......................................................... 8-78
Checking the lower case ......................................................... 8-78
Assembling the drive shaft ...................................................... 8-78
Assembling the reverse gear ................................................... 8-78
Assembling the lower case ...................................................... 8-79
Assembling the oil seal housing .............................................. 8-79
Install the reverse gear ............................................................ 8-79
Installing the drive shaft ........................................................... 8-79
Installing the propeller shaft housing assembly ....................... 8-79
Installing the shift rod .............................................................. 8-80
Installing the water pump ........................................................ 8-80
Checking the lower unit for air leakage ................................... 8-80
Installing the lower unit (X-transom model) ............................. 8-80
Installing the lower unit (U-transom model) ............................. 8-80
Shimming (counter rotation model) .............................. 8-81
Shimming workflow ................................................................. 8-81
Shimming check sheet ............................................................ 8-82
Measuring the forward gear backlash and
reverse gear backlash before disassembly ............................. 8-84
Shimming ................................................................................ 8-87
Shim location ........................................................................... 8-87
Selecting the pinion shim (T3) ................................................. 8-88
Calculated value (B) table ....................................................... 8-88
Pinion shim (T3) selection table .............................................. 8-88
Selecting the propeller shaft shim (T4) .................................... 8-88
Propeller shaft shim (T4) selection table ................................. 8-90