Yamaha WR250FM 2021 Owner's Service Manual page 200

CHECKING THE STARTER CLUTCH .....................................................5-42
INSTALLING THE STARTER CLUTCH ...................................................5-42
ELECTRIC STARTER.....................................................................................5-44
CHECKING THE STARTER MOTOR ......................................................5-46
ASSEMBLING THE STARTER MOTOR ..................................................5-46
CLUTCH..........................................................................................................5-48
REMOVING THE CLUTCH ......................................................................5-51
CHECKING THE FRICTION PLATES ......................................................5-51
CHECKING THE CLUTCH PLATES ........................................................5-51
CHECKING THE CLUTCH SPRINGS ......................................................5-51
CHECKING THE CLUTCH HOUSING .....................................................5-51
CHECKING THE CLUTCH BOSS ............................................................5-52
CHECKING THE PRESSURE PLATE .....................................................5-52
CHECKING THE PUSH LEVER SHAFT ..................................................5-52
CHECKING THE PUSH RODS ................................................................5-52
CHECKING THE PRIMARY DRIVE GEAR ..............................................5-52
CHECKING THE PRIMARY DRIVEN GEAR............................................5-52
INSTALLING THE CLUTCH .....................................................................5-52
SHIFT SHAFT .................................................................................................5-56
REMOVING THE SEGMENT ...................................................................5-57
CHECKING THE SHIFT SHAFT ..............................................................5-57
CHECKING THE STOPPER LEVER........................................................5-57
INSTALLING THE SHIFT SHAFT ............................................................5-57
OIL PUMP .......................................................................................................5-60
REMOVING THE BALANCER..................................................................5-62
CHECKING THE OIL PUMP ....................................................................5-62
ASSEMBLING THE OIL PUMP ................................................................5-62
INSTALLING THE OIL PUMP ..................................................................5-63
CRANKCASE .................................................................................................5-66
DISASSEMBLING THE CRANKCASE .....................................................5-68
CHECKING THE TIMING CHAIN GUIDE (EXHAUST SIDE)...................5-68
CHECKING THE CRANKCASE ...............................................................5-68
ASSEMBLING THE CRANKCASE ...........................................................5-69
CRANKSHAFT AND BALANCER SHAFT.....................................................5-70
REMOVING THE CRANKSHAFT.............................................................5-71
CHECKING THE CRANKSHAFT .............................................................5-71
INSTALLING THE CRANKSHAFT ...........................................................5-72
TRANSMISSION.............................................................................................5-73
REMOVING THE TRANSMISSION..........................................................5-74
CHECKING THE SHIFT FORKS ..............................................................5-74
CHECKING THE SHIFT DRUM ASSEMBLY ...........................................5-74
CHECKING THE TRANSMISSION ..........................................................5-74
INSTALLING THE TRANSMISSION ........................................................5-75