2010 Polaris Sportsman 850 Service Manual, Page 66Get this manual
ELECTRONIC FUEL INJECTION IAC Replacement
123Remove the seat, upper side panels and front cab (see Chapter 9)Remove the (2) screws retaining the airbox to the frameDisconnect the main vehicle harness from the ECU and ignition coil located on either side of the airboxIgnition Coil IAC
Remove the screw retaining the IAC sensor to the frameRemove
10Move the IAC out from the frame and disconnect the vehicle harness from sensor11Remove the (3) Phillips-head mounting screws and remove the sensor from the housing
Disconnect the shift linkage from the shift leverRemove the spark plug wires Remove the breather hose from the valve cover breather