4.12
9929419 R02 - 2018-2019 RZR XP / XP 4 Turbo S Service Manual
© Copyright Polaris Industries Inc.
FUEL INJECTOR REPLACEMENT
1. Be sure the engine has cooled enough to work on.
2. Disconnect the battery negative cable.
3. Remove the cargo box engine access panel.
4. Thoroughly clean the area around the fuel injectors.
5. Disconnect the fuel supply line
q
and return line
w
from the fuel rail.
6. Disconnect the wiring
e
going to the fuel injector.
7. Remove the two fasteners
r
retaining the fuel rail to
the engine intake.
8. Remove the fuel rail and fuel injectors from the
engine intake.
NOTE
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
t
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.
IMPORTANT
Be sure to connect the PTO harness lead to the PTO
injector and the MAG harness lead to the MAG injector.
EFI / FUEL SYSTEM
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