2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 51Get this manual
ELECTRONIC FUEL INJECTION EFI COMPONENTS
IdentificationLocation
1Electronic Control Unit (ECU)Attached to the air box, located behind the LH side panel4Crankshaft Position Sensor (CPS)Located in the top portion of the magneto cover on the front of the engineCPS
52Temperature and Manifold Absolute Pressure Sensor (T-MAP)Located in the Integrated Air Fuel Manifold (IAFM)T-MAP
Fuel InjectorsLocated in the Integrated Air Fuel Manifold (IAFM)Fuel Rail