Yamaha WR125R 2009, Service Manual

Page: 186 / 372

CLUTCH ........................................................................................................ 5-38
REMOVING THE CLUTCH ..................................................................... 5-42
CHECKING THE FRICTION PLATES..................................................... 5-42
CHECKING THE CLUTCH PLATES ....................................................... 5-43
CHECKING THE CLUTCH SPRINGS..................................................... 5-43
CHECKING THE CLUTCH HOUSING .................................................... 5-43
CHECKING THE CLUTCH BOSS ........................................................... 5-43
CHECKING THE PRESSURE PLATE .................................................... 5-44
CHECKING THE CLUTCH PUSH LEVER AND SHORT
CLUTCH PUSH ROD ............................................................................. 5-44
CHECKING THE PRIMARY DRIVE GEAR............................................. 5-44
CHECKING THE PRIMARY DRIVEN GEAR .......................................... 5-44
INSTALLING THE CLUTCH.................................................................... 5-44
OIL PUMP ...................................................................................................... 5-47
CHECKING THE OIL PUMP ................................................................... 5-49
ASSEMBLING THE OIL PUMP............................................................... 5-49
INSTALLING THE OIL PUMP ................................................................. 5-50
SHIFT SHAFT ................................................................................................ 5-51
CHECKING THE SHIFT SHAFT ............................................................. 5-52
CHECKING THE STOPPER LEVER ...................................................... 5-52
INSTALLING THE SHIFT SHAFT ........................................................... 5-52
BALANCER GEARS ..................................................................................... 5-53
REMOVING THE PRIMARY DRIVE GEAR AND
BALANCER GEARS............................................................................... 5-54
CHECKING THE BALANCER GEARS AND PRIMARY
DRIVE GEAR ......................................................................................... 5-54
INSTALLING THE PRIMARY DRIVE GEAR AND
BALANCER GEARS............................................................................... 5-54
CRANKCASE ................................................................................................ 5-56
SEPARATING THE CRANKCASE .......................................................... 5-59
CHECKING THE CRANKCASE .............................................................. 5-59
CHECKING THE TIMING CHAIN AND TIMING CHAIN GUIDE ............. 5-59
CHECKING THE OIL STRAINER ........................................................... 5-59
CHECKING THE BEARINGS AND OIL SEAL ........................................ 5-59
INSTALLING THE BEARING RETAINER ............................................... 5-60
INSTALLING THE OIL SEAL .................................................................. 5-60
ASSEMBLING THE CRANKCASE.......................................................... 5-60
CRANKSHAFT .............................................................................................. 5-62
REMOVING THE CRANKSHAFT ........................................................... 5-63
CHECKING THE CRANKSHAFT ............................................................ 5-63
INSTALLING THE CRANKSHAFT .......................................................... 5-63