Fuel Pump; Operation Overview - Polaris 2012 RANGER RZR 570 INTL Service Manual

ELECTRONIC FUEL INJECTION
14. Install th e fu el rail mo unting screws and torque to
specification.
Fuel Rail Mounting Screws:
7 ft. lbs. (10 Nm)
15. Reinstall the fuel line to the fuel rail.
16. Connect the harness lead to the fuel injector.
17. Reconnect the negative battery cable and reinstall the
driver's seat.
18. Start the engine briefly and inspect the fuel rail and
injector for fuel leaks.
19. Reinstall the cargo box access panel.
4.18
= T
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.

FUEL PUMP

Operation Overview

An electric fuel pump assembly is used to transfer fuel to
the EFI system from inside the fuel tank. This assembly
includes th e fue l pu mp, fuel filters, r egulator a nd fu el
gauge sender. The pump is rated for a minimum output of
25 liter s pe r ho ur at 43 - 48 p si an d ha s two non-
serviceable fuel filters.
When the key switch is turned to "ON", the ECU activates
the fuel pump, which pressurizes the system for start-up.
Located in Fuel Tank
Fuel Line
Connection
Regulator
Fuel Pump Assembly
Pump / Sending Unit
Connection
Fuel Pump
Preliminary Filter