2010 Polaris Sportsman 850 Service Manual, Page 71Get this manual

2010 Polaris Sportsman 850 Service Manual, Page 71

ELECTRONIC FUEL INJECTION ECT Sensor Replacement 12Drain coolant to level below sensorDisconnect the ECT sensor from engine
signal serves as reference for the control of ignition timingThe ECU then calculates the time interval between the consecutive
pulses, and determines when to trigger the voltage spike that induces the voltage from the primary to the secondary coil
windings to fire the spark plugs Remove and replace the sensor, applying light coating of thread sealant to aid installationTorque
the ECT sensor to specification RH Side of Airbox ECT Sensor Torque: 17 ftlbs(23 Nm) Ignition Coil Ignition Coil Tests The
ignition coil can be tested by using an ohm meterUse the following illustrations and specification table to test the ignition