2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 155Get this manual
500 EFI FUEL SYSTEM FUEL PUMP ASSEMBLY
OperationTesting
NOTE: All EFI units utilize quick connect fuel linesAn electric fuel pump assembly is used to transfer fuel to the EFI system from inside the fuel tankThis assembly includes the fuel pump, regulator and fuel gauge senderThe pump is rated for minimum output of 25 liters per hour at 39 psi and has non-serviceable internal 30micron filter
FUEL PUMP TEST