Yamaha 25BMH, Service Manual

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LOWR
CHAPTER 6
LOWER UNIT
LOWER UNIT .................................................................................................. 6-1
REMOVING THE LOWER UNIT ............................................................... 6-1
REMOVING THE PROPELLER ................................................................. 6-3
CHECKING THE PROPELLER .................................................................. 6-3
INSTALLING THE PROPELLER ............................................................... 6-3
INSTALLING THE TRIM TAB ................................................................... 6-3
WATER PUMP ................................................................................................ 6-4
REMOVING THE WATER PUMP ............................................................. 6-4
CHECKING THE WATER PUMP HOUSING ............................................ 6-5
CHECKING THE IMPELLER AND INSERT CARTRIDGE ........................ 6-5
CHECKING THE WOODRUFF KEY ......................................................... 6-5
INSTALLING THE IMPELLER AND WATER PUMP HOUSING .............. 6-5
SHIFT ROD ..................................................................................................... 6-6
REMOVING THE SHIFT ROD .................................................................. 6-6
PROPELLER SHAFT HOUSING ..................................................................... 6-7
REMOVING THE PROPELLER SHAFT HOUSING .................................. 6-7
DISASSEMBLING THE PROPELLER SHAFT HOUSING ....................... 6-8
DISASSEMBLING THE PROPELLER SHAFT .......................................... 6-9
REMOVING THE PROPELLER SHAFT HOUSING ................................ 6-10
DISASSEMBLING THE PROPELLER SHAFT HOUSING ..................... 6-10
CHECKING THE REVERSE GEAR ......................................................... 6-11
CHECKING THE BEARING .................................................................... 6-11
CHECKING THE PROPELLER SHAFT HOUSING ................................. 6-11
ASSEMBLING THE PROPELLER SHAFT HOUSING ........................... 6-12
CHECKING THE DOG CLUTCH ............................................................ 6-13
CHECKING THE PROPELLER SHAFT ................................................... 6-13
CHECKING THE SHIFT PLUNGER ........................................................ 6-13
CHECKING THE SPRING ...................................................................... 6-13
DRIVE SHAFT ............................................................................................... 6-14
REMOVING THE DRIVE SHAFT ............................................................ 6-14
REMOVING THE DRIVE SHAFT ............................................................ 6-15
REMOVING THE DRIVE SHAFT BEARING .......................................... 6-15
DISASSEMBLING THE FORWARD GEAR ............................................ 6-15
CHECKING THE PINION AND FORWARD GEAR ................................ 6-16
CHECKING THE DRIVE SHAFT ............................................................. 6-16
CHECKING THE BEARINGS ................................................................. 6-16
ASSEMBLING THE FORWARD GEAR .................................................. 6-16
INSTALLING THE DRIVE SHAFT BEARING ......................................... 6-16
INSTALLING THE DRIVE SHAFT .......................................................... 6-17