Yamaha FT50C - Lower Unit

62Y5A11
LOWR
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Lower unit
Special service tools .....................................................................................6-1
Lower unit.......................................................................................................6-5
Removing the lower unit ............................................................................6-6
Water pump and shift rod..............................................................................6-7
Removing the water pump and shift rod....................................................6-9
Checking the water pump and shift rod .....................................................6-9
Installing the water pump and shift rod......................................................6-9
Propeller shaft housing...............................................................................6-11
Removing the propeller shaft housing assembly.....................................6-13
Disassembling the propeller shaft housing.............................................. 6-13
Disassembling the propeller shaft assembly ...........................................6-14
Checking the propeller shaft housing ......................................................6-14
Checking the propeller shaft....................................................................6-14
Assembling the propeller shaft assembly ................................................6-15
Assembling the propeller shaft housing...................................................6-15
Installing the propeller shaft housing .......................................................6-16
Drive shaft and lower case..........................................................................6-17
Removing the drive shaft.........................................................................6-19
Disassembling the drive shaft..................................................................6-19
Disassembling the forward gear ..............................................................6-19
Disassembling the lower case .................................................................6-20
Checking the pinion and forward gear.....................................................6-20
Checking the bearings.............................................................................6-20
Checking the drive shaft ..........................................................................6-20
Checking the lower case .........................................................................6-21
Assembling the lower case......................................................................6-21
Assembling the forward gear...................................................................6-21
Assembling the drive shaft ......................................................................6-22
Installing the pinion..................................................................................6-22
Installing the lower unit ............................................................................6-22
Shimming......................................................................................................6-24
Shimming.................................................................................................6-25
Selecting the pinion shims.......................................................................6-25
Selecting the forward gear shims ............................................................6-26
Selecting the reverse gear shims ............................................................6-27
Backlash ....................................................................................................... 6-27
Measuring the forward gear backlash .....................................................6-27