Lowr - Yamaha FT50C Service Manual

LOWR

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
62Y5A11
Lower unit
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