Yamaha YFM70RY Service Manual page 192

CLUTCH ........................................................................................................ 5-40
REMOVING THE CLUTCH ..................................................................... 5-44
REMOVING THE PRIMARY DRIVE GEAR AND
BALANCER DRIVEN GEAR .................................................................. 5-44
CHECKING THE FRICTION PLATES..................................................... 5-44
CHECKING THE CLUTCH PLATES ....................................................... 5-45
CHECKING THE CLUTCH SPRINGS..................................................... 5-45
CHECKING THE CLUTCH HOUSING .................................................... 5-45
CHECKING THE CLUTCH BOSS........................................................... 5-45
CHECKING THE PRESSURE PLATE .................................................... 5-46
CHECKING THE PRIMARY DRIVE GEARS .......................................... 5-46
CHECKING THE BALANCER DRIVE GEARS ....................................... 5-46
CHECKING THE PULL LEVER SHAFT AND PULL ROD ...................... 5-46
INSTALLING THE PRIMARY DRIVE GEAR AND
BALANCER DRIVEN GEARS ................................................................ 5-46
INSTALLING THE CLUTCH.................................................................... 5-47
OIL PUMP...................................................................................................... 5-50
CHECKING THE OIL PUMP ................................................................... 5-52
ASSEMBLING THE OIL PUMP............................................................... 5-52
SHIFT SHAFT................................................................................................ 5-53
CHECKING THE SHIFT SHAFT ............................................................. 5-54
CHECKING THE STOPPER LEVER ...................................................... 5-54
CHECKING THE SHIFT GUIDE.............................................................. 5-54
CHECKING THE SHIFT DRUM SEGMENT ........................................... 5-54
INSTALLING THE SHIFT LEVER ........................................................... 5-54
INSTALLING THE SHIFT SHAFT ........................................................... 5-55
CRANKCASE ................................................................................................ 5-56
SEPARATING 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 SEALS...................................... 5-59
CHECKING THE CRANKCASE .............................................................. 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
TRANSMISSION............................................................................................ 5-65
CHECKING THE SHIFT FORKS............................................................. 5-70
CHECKING THE SHIFT DRUM ASSEMBLY.......................................... 5-70
CHECKING THE TRANSMISSION ......................................................... 5-70
ASSEMBLING THE MAIN AXLE AND DRIVE AXLE .............................. 5-71
INSTALLING THE TRANSMISSION ....................................................... 5-71