5.8
9940259 R02 - 2022 RZR PRO R / PRO R 4 Service Manual
© Copyright Polaris Industries Inc.
FUEL INJECTOR REPLACEMENT
1. Be sure the engine has cooled enough to work on.
CAUTION
The engine and exhaust system become very hot
during operation and remains hot for a period of time
after the engine is shut off. Wear insulated protection of
wait until the exhaust system has cooled before
performing service work to prevent burns.
2. Disconnect the battery negative cable.
3. Remove four fasteners
q
and remove the cargo box.
4. Thoroughly clean the area around the fuel injectors.
5. Disconnect the fuel supply line
w
from the fuel rail.
6. Disconnect the wiring going to the fuel injectors.
7. Remove the two fasteners
e
retaining the fuel rail to
the engine intake.
8. Remove the fuel rail and fuel injectors from the
engine intake.
NOTICE
Both ends of the injector are sealed with o-rings. If the
injectors are going to be reused, ensure the o-rings are
not damaged.
9. Pull out the injector retaining clip and pull the injector
from the fuel rail. Repeat on the other injector if
necessary.
10.Upon installation of the new fuel injectors, lightly
lubricate the injector O-rings to aid installation.
11. Install the new injector(s) into the fuel rail and reinstall
the retaining clip.
IMPORTANT
The retaining clip(s) should click when properly
engaged.
12.Lightly lubricate the injector O-rings and reinstall the
fuel rail / injector assembly into the engine intake.
13.Install the fuel rail mounting screws and torque to
specification.
TORQUE
Fuel Rail Mounting Screws:
7 ft-lb (10 Nm)
14.Connect the wiring harness to the correct fuel injector.
15.Connect the fuel supply line to the fuel rail.
EFI / FUEL SYSTEM
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