Yamaha WR250R Service Manual page 174

SHIFT SHAFT ................................................................................................5-43
CHECKING THE SHIFT SHAFT ..............................................................5-44
CHECKING THE STOPPER LEVER .......................................................5-44
INSTALLING THE SHIFT SHAFT ............................................................5-44
OIL PUMP AND BALANCER GEAR .............................................................5-45
REMOVING THE OIL PUMP ...................................................................5-47
CHECKING THE OIL PUMP ....................................................................5-47
ASSEMBLING THE OIL PUMP................................................................5-47
INSTALLING THE OIL PUMP AND BALANCER GEAR..........................5-48
GENERATOR AND STARTER CLUTCH ......................................................5-50
REMOVING THE GENERATOR..............................................................5-53
CHECKING THE STARTER CLUTCH.....................................................5-53
INSTALLING THE STARTER CLUTCH...................................................5-54
INSTALLING THE GENERATOR ............................................................5-54
CRANKCASE.................................................................................................5-56
DISASSEMBLING THE CRANKCASE ....................................................5-59
CHECKING THE TIMING CHAIN, TIMING CHAIN GUIDE,
OIL STRAINER, NOZZLE, DELIVERY PIPE ........................................5-59
CHECKING THE CRANKCASE...............................................................5-59
ASSEMBLING THE CRANKCASE ..........................................................5-59
CRANKSHAFT ASSEMBLY AND BALANCER SHAFT ...............................5-61
REMOVING THE CRANKSHAFT ASSEMBLY........................................5-62
CHECKING THE CRANKSHAFT ASSEMBLY ........................................5-62
INSTALLING THE CRANKSHAFT ASSEMBLY ......................................5-62
TRANSMISSION ............................................................................................5-64
CHECKING THE SHIFT FORKS .............................................................5-67
CHECKING THE SHIFT DRUM ASSEMBLY...........................................5-67
CHECKING THE TRANSMISSION..........................................................5-67
INSTALLING THE SHIFT FORKS AND SHIFT DRUM ASSEMBLY .......5-68
INSTALLING THE TRANSMISSION........................................................5-69