Yamaha 250GETO Service Manual page 137

Lower unit (counter rotation model) ..........................................................6-30
Removing the lower unit ..........................................................................6-33
Removing the water pump and shift rod .................................................6-34
Checking the water pump and shift rod...................................................6-34
Propeller shaft housing (counter rotation model) ....................................6-35
Removing the propeller shaft housing assembly.....................................6-37
Disassembling the propeller shaft assembly 1 ........................................6-37
Disassembling the propeller shaft assembly 2 ........................................6-37
Disassembling the forward gear ..............................................................6-39
Checking the propeller shaft housing ......................................................6-39
Checking the propeller shaft....................................................................6-39
Assembling the forward gear...................................................................6-39
Assembling the propeller shaft housing ..................................................6-40
Assembling the propeller shaft assembly 1.............................................6-42
Drive shaft and lower case (counter rotation model)...............................6-43
Removing the drive shaft.........................................................................6-45
Disassembling the drive shaft housing ....................................................6-45
Disassembling the reverse gear ..............................................................6-45
Disassembling the lower case .................................................................6-46
Checking the pinion and reverse gear.....................................................6-46
Checking the bearing...............................................................................6-46
Checking the drive shaft ..........................................................................6-46
Checking the lower case .........................................................................6-47
Assembling the lower case......................................................................6-47
Assembling the reverse gear...................................................................6-47
Assembling the drive shaft housing.........................................................6-48
Installing the drive shaft...........................................................................6-48
Installing the propeller shaft housing .......................................................6-49
Installing the water pump and shift rod ...................................................6-50
Installing the lower unit ............................................................................6-51
Shimming (counter rotation model) ...........................................................6-54
Shimming .................................................................................................6-55
Selecting the pinion shim.........................................................................6-55
Selecting the reverse gear shim ..............................................................6-56
Selecting the forward gear shim ..............................................................6-58
Selecting the propeller shaft shim ...........................................................6-59
Backlash (counter rotation model).............................................................6-61
Measuring the forward and reverse gear backlash .................................6-61
6S35H11
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