2011 Polaris Ranger RZR ATV Service Manual, Page 118Get this manual
ELECTRONIC FUEL INJECTION EFI System Component Locations
1Electronic Control Unit (ECU)Located behind the driver's seat (RZRRZR S) or under the left rear passenger seat (RZR 4)3Crankshaft Position Sensor (CPS)Located in the magneto cover between the engine and transmission, just in front of the rear gear caseCPS
ECU RZRRZR 4Fuel InjectorsFuel RailAttached to the fuel rail located in the intake track of the cylinder headFuel Rail