Yamaha YZ125X 2021 Owner's Service Manual page 160

CHECKING THE CLUTCH BOSS ............................................................5-28
CHECKING THE PRESSURE PLATE .....................................................5-29
CHECKING THE PUSH LEVER SHAFT ..................................................5-29
CHECKING THE PUSH RODS ................................................................5-29
CHECKING THE PRIMARY DRIVE GEAR ..............................................5-29
CHECKING THE PRIMARY DRIVEN GEAR............................................5-29
INSTALLING THE CLUTCH .....................................................................5-29
SHIFT SHAFT .................................................................................................5-32
REMOVING THE SEGMENT ...................................................................5-33
CHECKING THE SHIFT SHAFT ..............................................................5-33
CHECKING THE STOPPER LEVER........................................................5-33
INSTALLING THE SHIFT SHAFT ............................................................5-33
CRANKCASE .................................................................................................5-36
DISASSEMBLING THE CRANKCASE .....................................................5-37
CHECKING THE CRANKCASE ...............................................................5-37
ASSEMBLING THE CRANKCASE ...........................................................5-37
CRANKSHAFT ...............................................................................................5-40
REMOVING THE CRANKSHAFT.............................................................5-41
CHECKING THE CRANKSHAFT .............................................................5-41
INSTALLING THE CRANKSHAFT ...........................................................5-41
TRANSMISSION.............................................................................................5-43
REMOVING THE TRANSMISSION..........................................................5-44
CHECKING THE SHIFT FORKS ..............................................................5-44
CHECKING THE SHIFT DRUM ASSEMBLY ...........................................5-44
CHECKING THE TRANSMISSION ..........................................................5-44
INSTALLING THE TRANSMISSION ........................................................5-45