Yamaha F150A Service Manual page 145

Lower unit (counter rotation model) .......................................................... 6-32
Removing the lower unit ..........................................................................6-36
Removing the water pump and shift rod.................................................. 6-36
Checking the water pump and shift rod ...................................................6-37
Propeller shaft housing (counter rotation model) .................................... 6-38
Removing the propeller shaft housing assembly..................................... 6-40
Disassembling the propeller shaft assembly ...........................................6-40
Disassembling the forward gear ..............................................................6-40
Disassembling the propeller shaft housing.............................................. 6-41
Checking the propeller shaft housing ......................................................6-41
Checking the propeller shaft.................................................................... 6-41
Assembling the propeller shaft housing...................................................6-41
Drive shaft and lower case (counter rotation model) ...............................6-44
Removing the drive shaft.........................................................................6-46
Disassembling the drive shaft housing ....................................................6-46
Disassembling the reverse gear ..............................................................6-46
Disassembling the lower case .................................................................6-46
Checking the pinion and reverse gear.....................................................6-47
Checking the bearings............................................................................. 6-47
Checking the drive shaft ..........................................................................6-47
Checking the lower case .........................................................................6-47
Assembling the lower case...................................................................... 6-47
Assembling the reverse gear................................................................... 6-48
Assembling the drive shaft housing......................................................... 6-48
Installing the drive shaft...........................................................................6-49
Installing the propeller shaft housing .......................................................6-49
Installing the water pump and shift rod....................................................6-50
Installing the lower unit ............................................................................6-52
Shimming (counter rotation model) ........................................................... 6-54
Shimming.................................................................................................6-55
Selecting the pinion shims....................................................................... 6-55
Selecting the reverse gear shims ............................................................ 6-56
Selecting the forward gear shims ............................................................ 6-57
Selecting the propeller shaft shims.......................................................... 6-58
Backlash (counter rotation model)............................................................. 6-60
Measuring the forward and reverse gear backlash .................................6-60
63P3F11
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