Yamaha F225F Service Manual page 377

Checking the lower case ......................................................... 8-25
Assembling the drive shaft ...................................................... 8-25
Assembling the forward gear ................................................... 8-27
Assembling the lower case ...................................................... 8-27
Assembling the oil seal housing .............................................. 8-28
Installing the forward gear ....................................................... 8-28
Installing the drive shaft ........................................................... 8-28
Installing the propeller shaft housing assembly ....................... 8-29
Installing the shift rod .............................................................. 8-31
Installing the water pump ........................................................ 8-31
Checking the lower unit for air leakage ................................... 8-32
Installing the lower unit (X-transom model) ............................. 8-33
Installing the lower unit (U-transom model) ............................. 8-34
Shimming (regular rotation model) ............................... 8-36
Shimming workflow ................................................................. 8-36
Shimming check sheet ............................................................ 8-37
Measuring the forward gear backlash and
reverse gear backlash before disassembly ............................. 8-39
Shimming ................................................................................ 8-42
Shim location ........................................................................... 8-42
Selecting the pinion shim (T3) ................................................. 8-43
Calculated value (B) table ....................................................... 8-46
Pinion shim (T3) selection table .............................................. 8-47
Measuring the forward gear backlash ..................................... 8-54
Adjusting the forward gear shim (T1) thickness ...................... 8-54
Forward gear shim (T1) selection table ................................... 8-56
Measuring the reverse gear backlash ..................................... 8-57
Adjusting the reverse gear shim (T2) thickness ...................... 8-57
Reverse gear shim (T2) selection chart .................................. 8-59
Selecting the propeller shaft shim (T4) .................................... 8-61
Lower unit
(counter rotation model, X-transom model) ................. 8-62
Removing the lower unit .......................................................... 8-64
Disassembling the propeller .................................................... 8-64
Checking the propeller ............................................................ 8-64
Checking the lower unit anode ................................................ 8-64
Assembling the propeller ......................................................... 8-64
Lower unit
(counter rotation model, U-transom model) ................. 8-65
Removing the lower unit .......................................................... 8-67
Disassembling the propeller .................................................... 8-67
Checking the propeller ............................................................ 8-67
Checking the lower unit anode ................................................ 8-67
Assembling the propeller ......................................................... 8-67
Water pump and shift rod (counter rotation model) .... 8-68
Removing the water pump and shift rod .................................. 8-70
0
1
2
3
4
5
6
7
8
9
10
A