Yamaha 2014 MT-07 Service Manual

ELECTRICAL COMPONENTS8-138EAS30577CHECKING THE RADIATOR FAN MOTOR1. Check:• Radiator fan motorFaulty/rough movement → Replace.▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼a. Disconnect the radiator fan motor couplerfrom the wire harness.b. Connect the battery (DC 12 V) as shown.c. Measure the radiator fan motor movement.▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲EAS30578CHECKING THE COOLANT TEMPERATURESENSOR1. Remove:• Coolant temperature sensorRefer to “CYLINDER HEAD” on page 5-25.WARNINGEWA14130• Handle the coolant temperature sensorwith special care.• Never subject the coolant temperature sen-sor to strong shocks. If the coolant temper-ature sensor is dropped, replace it.2. Check:• Coolant temperature sensor resistanceOut of specification → Replace.▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼a. Connect the pocket tester (Ω × 1 k) to thecoolant temperature sensor as shown.b. Immerse the coolant temperature sensor “1”in a container filled with coolant “2”.TIPMake sure the coolant temperature sensor ter-minals do not get wet.c. Place a thermometer “3” in the coolant.d. Heat the coolant or let it cool down to thespecified temperatures.e. Measure the coolant temperature sensor re-sistance.▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲3. Install:• Coolant temperature sensor• Positive tester probeBlue “1”• Negative tester probeBlack “2”11 2L BCoolant temperature sensor re-sistance2510–2780 Ω@20 °C (2510–2780Ω@68 °F)Pocket tester90890-03112Analog pocket testerYU-03112-CT R..Coolant temperature sensor16 Nm (1.6 m·kgf, 12 ft·lbf)