4.27
ELECTRONIC FUEL INJECTION
4
9924096 - 2013 RANGER RZR XP 900 / RZR XP 4 900 Service Manual
© Copyright 2012 Polaris Sales Inc.
Fuel Injector Replacement
1. Remove the cargo box access panel (A).
2. Be sure the engine has cooled enough to work on.
3. Remove the breather hose (B) from the air box and
loosen the hose clamps (C) retaining the air box to the
throttle body assembly.
4. Remove the (2) screws (D) retaining the air box and
loosen the hose clamp (E) retaining the intake hose
to the air box. Remove air box assembly from vehicle.
5. Remove the driver’s seat and disconnect the negative
battery cable.
6. Disconnect the fuel injector harness leads.
7. Hold a shop towel over the fuel line fittings and remove
the fuel return and supply lines from each end of the
fuel rail. Remove the vent line from the fuel pressure
regulator.
8. Remove tie strap retaining the injector harness leads
to the fuel rail. Remove the (2) screws that mount the
fuel rail to the throttle body using a 5 mm Allen wrench.
Fuel Supply
Fuel Return
Regulator
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