Yamaha WR450FB 2012 Owner's Service Manual page 301

CHECKING THE IGNITION COIL ······················~:·················· .................. 9-71
CHECKING THE CRANKSHAFT POSITION SENSOR ........................... 9-72
CHECKING THE LEAN ANGLE SENSOR ............................................... 9-72
CHECKING THE STARTER MOTOR OPERATION ................................ 9-73
CHECKING THE STATOR COIL. ............................................................. 9-73
CHECKING THE RECTIFIER/REGULATOR ................................
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.......... 9-74
CHECKING THE SPEED SENSOR ......................................................... 9-74
CHECKING THE FUEL SENDER ............................................................ 9-74
CHECKING THE COOLANT TEMPERATURE SENSOR ........................ 9-75
CHECKING THE THROTTLE POSITION SENSOR ................................ 9-76
CHECKING THE THROTTLE POSITION SENSOR INPUT VOLTAGE .. 9-:76
CHECKING THE INTAKE AIR PRESSURE SENSOR ............................. 9-77
CHECKING THE INTAKE AIR TEMPERATURE SENSOR ..................... 9-77
CHECKING THE FUEL INJECTOR ......................................................... 9-78