Yamaha F150A Service Manual page 305

Checking the lower case ......................................................... 8-23
Assembling the forward gear ................................................... 8-23
Assembling the drive shaft housing ......................................... 8-23
Assembling the lower case ...................................................... 8-24
Installing the drive shaft ........................................................... 8-25
Installing the propeller shaft housing assembly ....................... 8-26
Installing the shift rod .............................................................. 8-27
Installing the water pump ........................................................ 8-27
Checking the lower unit for air leakage ................................... 8-28
Installing the lower unit (L-transom model) ............................. 8-29
Installing the lower unit (X-transom model) ............................. 8-30
Shimming (regular rotation model) ............................... 8-32
Shimming workflow ................................................................. 8-32
Shimming check sheet ............................................................ 8-33
Measuring the forward gear backlash and
reverse gear backlash before disassembly ............................. 8-35
Shimming procedure ............................................................... 8-38
Shim location ........................................................................... 8-38
Selecting the pinion shim (T3) ................................................. 8-39
Measuring the forward gear backlash ..................................... 8-41
Adjusting the forward gear shim thickness (T1) ...................... 8-41
Measuring the reverse gear backlash ..................................... 8-43
Adjusting the reverse gear shim thickness (T2) ...................... 8-43
Lower unit
(counter rotation model, L-transom model) .................. 8-45
Removing the lower unit .......................................................... 8-47
Disassembling the propeller (SDS propeller) .......................... 8-47
Checking the propeller ............................................................ 8-47
Checking the lower unit anode ................................................ 8-47
Assembling the propeller (SDS propeller) ............................... 8-47
Lower unit
(counter rotation model, X-transom model) ................. 8-48
Removing the lower unit .......................................................... 8-50
Disassembling the propeller (SDS propeller) .......................... 8-50
Checking the propeller ............................................................ 8-50
Checking the lower unit anode ................................................ 8-50
Assembling the propeller (SDS propeller) ............................... 8-50
Lower unit
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