Yamaha F50A - Lower Unit; Special Service Tools; Lower Unit (F50;F50 A); Water Pump and Propeller Shaft Housing (F50;F50 A)

LOWR
62Y3A11
Lower unit
Special service tools .....................................................................................6-1
Lower unit (F50/F50A)....................................................................................6-7
Removing the lower unit ............................................................................6-9
Water pump and propeller shaft housing (F50/F50A)...............................6-11
Removing the water pump and propeller shaft housing assembly ..........6-13
Disassembling the propeller shaft housing..............................................6-13
Disassembling the propeller shaft assembly ...........................................6-14
Checking the water pump........................................................................6-14
Checking the propeller shaft housing ......................................................6-15
Checking the propeller shaft....................................................................6-15
Assembling the propeller shaft assembly ................................................6-16
Assembling the propeller shaft housing...................................................6-16
Installing the propeller shaft housing .......................................................6-18
Installing the water pump.........................................................................6-18
Drive shaft and lower case (F50/F50A) ......................................................6-21
Removing the drive shaft.........................................................................6-23
Disassembling the drive shaft assembly .................................................6-23
Disassembling the forward gear ..............................................................6-23
Disassembling the lower case .................................................................6-24
Checking the pinion and forward gear.....................................................6-25
Checking the bearings.............................................................................6-25
Checking the drive shaft ..........................................................................6-25
Checking the shift rod and shift cam .......................................................6-25
Checking the lower case .........................................................................6-25
Assembling the lower case......................................................................6-25
Assembling the forward gear...................................................................6-27
Assembling the drive shaft ......................................................................6-27
Installing the drive shaft...........................................................................6-28
Installing the lower unit ............................................................................6-28
Shimming (F50) (for USA and Canada) ......................................................6-31
Shimming.................................................................................................6-32
Selecting the pinion shims.......................................................................6-32
Selecting the forward gear shims ............................................................6-33
Selecting the reverse gear shims ............................................................6-34
Shimming (F50A) (for worldwide)...............................................................6-35
Shimming.................................................................................................6-36
Selecting the pinion shims.......................................................................6-36
Selecting the forward gear shims ............................................................6-37
Selecting the reverse gear shims ............................................................6-38