Yamaha WR250F 2017 Owner's Service Manual page 229

GENERATOR AND STARTER CLUTCH.......................................................6-66
REMOVING THE GENERATOR ..............................................................6-68
CHECKING THE STARTER CLUTCH .....................................................6-68
INSTALLING THE STARTER CLUTCH ...................................................6-68
INSTALLING THE GENERATOR.............................................................6-69
CRANKCASE .................................................................................................6-72
DISASSEMBLING THE CRANKCASE.....................................................6-75
REMOVING THE CRANKCASE BEARING .............................................6-75
CHECKING THE TIMING CHAIN, TIMING CHAIN GUIDE, OIL
STRAINER ..............................................................................................6-75
CHECKING THE CRANKCASE ...............................................................6-75
INSTALLING THE OIL SEAL ...................................................................6-76
ASSEMBLING THE CRANKCASE...........................................................6-76
CRANKSHAFT ASSEMBLY AND BALANCER SHAFT ...............................6-78
REMOVING THE CRANKSHAFT ASSEMBLY ........................................6-79
CHECKING THE CRANKSHAFT ASSEMBLY.........................................6-79
INSTALLING THE CRANKSHAFT ASSEMBLY.......................................6-80
INSTALLING THE BALANCER SHAFT ...................................................6-80
TRANSMISSION.............................................................................................6-81
REMOVING THE TRANSMISSION .........................................................6-82
CHECKING THE SHIFT FORKS..............................................................6-82
CHECKING THE SHIFT DRUM ASSEMBLY...........................................6-82
CHECKING THE TRANSMISSION ..........................................................6-83
INSTALLING THE TRANSMISSION ........................................................6-83