Yamaha YXR70FX Service Manual page 13

MIDDLE GEAR ..............................................................................................4-91
MIDDLE DRIVE SHAFT ..........................................................................4-91
MIDDLE DRIVEN SHAFT........................................................................4-92
REMOVING THE MIDDLE DRIVE SHAFT ............................................. 4-94
REMOVING THE MIDDLE DRIVEN SHAFT...........................................4-95
CHECKING THE PINION GEARS .......................................................... 4-98
SELECTING MIDDLE DRIVE AND DRIVEN GEAR SHIMS................... 4-98
INSTALLING THE BEARING AND OIL SEALS .................................... 4-102
INSTALLING THE MIDDLE DRIVEN SHAFT .......................................4-103
INSTALLING THE MIDDLE DRIVE SHAFT ..........................................4-105
MEASURING THE MIDDLE GEAR BACKLASH................................... 4-106
RADIATOR AND COOLANT RESERVOIR .................................................... 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
OIL COOLER.................................................................................................5-12
CHECKING THE OIL COOLER ..............................................................5-14
FUEL INJECTION SYSTEM
FUEL INJECTION SYSTEM............................................................................6-1
CIRCUIT DIAGRAM .................................................................................. 6-2
ECU SELF-DIAGNOSTIC FUNCTION......................................................6-4
SELF-DIAGNOSTIC FUNCTION TABLE .................................................. 6-5
TROUBLESHOOTING CHART .................................................................6-6
DIAGNOSTIC MODE ................................................................................ 6-7
TROUBLESHOOTING DETAILS ............................................................ 6-11
CHECKING THE INTAKE AIR PRESSURE SENSOR ........................... 6-26
CHECKING THE INTAKE AIR TEMPERATURE SENSOR ....................6-26
CHAPTER 5
COOLING SYSTEM
CHAPTER 6