Yamaha YFM660FS, Supplementary Service Manual

Page: 83 / 478

TRANSMISSION ......................................................................................... 4-78
REMOVING THE TRANSMISSION .................................................... 4-81
CHECKING THE SHIFT FORK ........................................................... 4-81
CHECKING THE SHIFT CAM ............................................................. 4-82
CHECKING THE DRIVE AXLE ........................................................... 4-82
CHECKING THE HIGH WHEEL GEAR
AND MIDDLE DRIVE GEAR ........................................................... 4-82
CHECKING THE SECONDARY SHAFT
AND DRIVEN SPROCKET .............................................................. 4-83
CHECKING THE CHAIN ..................................................................... 4-83
CHECKING THE STOPPER LEVER
AND STOPPER WHEEL ................................................................. 4-83
ASSEMBLING THE SHIFT FORK ASSEMBLY .................................. 4-84
INSTALLING THE TRANSMISSION .................................................... 4-84
MIDDLE GEAR ........................................................................................... 4-85
MIDDLE DRIVE SHAFT ...................................................................... 4-85
MIDDLE DRIVEN SHAFT .................................................................... 4-86
REMOVING THE MIDDLE DRIVE SHAFT ......................................... 4-88
REMOVING THE MIDDLE DRIVEN SHAFT ....................................... 4-88
CHECKING THE PINION GEAR ......................................................... 4-91
MIDDLE DRIVE AND DRIVEN GEAR SHIM SELECTION ................. 4-91
INSTALLING THE MIDDLE DRIVEN SHAFT ..................................... 4-94
INSTALLING THE MIDDLE DRIVE SHAFT ........................................ 4-96
MEASURING THE MIDDLE GEAR BACKLASH ................................. 4-97
CHAPTER 5.
COOLING SYSTEM
RADIATOR .................................................................................................... 5-1
CHECKING THE RADIATOR ................................................................ 5-3
INSTALLING THE RADIATOR .............................................................. 5-4
THERMOSTAT .............................................................................................. 5-5
CHECKING THE THERMOSTAT .......................................................... 5-6
INSTALLING THE THERMOSTAT ........................................................ 5-6
WATER PUMP .............................................................................................. 5-7
DISASSEMBLING THE WATER PUMP ................................................ 5-9
CHECKING THE WATER PUMP .......................................................... 5-9
ASSEMBLING THE WATER PUMP .................................................... 5-10