2010 Polaris Sportsman 850 Service Manual, Page 63Get this manual

2010 Polaris Sportsman 850 Service Manual, Page 63

ELECTRONIC FUEL INJECTION Injector leakage is very unlikely, but in rare instances it can be internal (past the tip of the
should be replacedAdditives and higher grades of fuel can be used as preventative measure if clogging has been problem6789Carefully
disconnect the ECU by pulling the tab out while pulling down on the connectorLoosen the hose clamp retaining the intake boot
to the intake plenum and remove the bootLift up on the air box and turn it sideways to gain access to the fuel rail and fuel
injectorsThoroughly clean the area around the fuel rail and injectors 10Disconnect the "quick connect" fuel line from the
fuel rail11Disconnect the harness from both fuel injectors12Using 10 mm wrench, remove the fuel rail mounting screws13Carefully
pull up on the fuel rail and fuel injectors and remove them from the vehicle as an assemblyFuel Rail Fuel Injector Test If
an injector is not operating, it can indicate either bad injector, or wiringelectrical connection problemCheck as follows:
Remove the seat, left-hand side panel, and disconnect the fuel injector(s) Using an ohmmeter, test for continuity by placing