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9929422 R02 - 2017-2019 ACE 900 Service Manual
© Copyright Polaris Industries Inc.
4.13
11. Upon installation of the new fuel injectors, lightly
lubricate the injector O-rings to aid installation.
12.Install the new injector(s) into the fuel rail.
13.Thoroughly clean the area around the fuel injector
ports on the throttle body.
14.Lightly lubricate the injector O-rings and reinstall the
fuel rail / injector assembly into the throttle body.
15.Install the fuel rail mounting screws and torque to
specification.
TORQUE
Fuel Rail Mounting Screws:
7 ft-lbs (10 Nm)
16.Reinstall the fuel line to the fuel rail.
17.Connect the harness leads to the fuel injectors.
NOTE
Be sure to connect the PTO harness lead to the PTO
injector and the MAG harness lead to the MAG injector
to ensure proper engine operation.
18.Use a tie strap to retain the harness leads to the fuel
rail.
19.Reconnect the negative battery cable and reinstall
the driver’s seat.
20.Turn key on to allow the fuel system to prime and
inspect the fuel rail and injectors for fuel leaks.
21.Reinstall the intake plenum assembly and fasten the
lower mount to the transmission mount bracket
h
.
NOTE
Be sure the lower air box post is placed properly into
the rubber grommet.
NOTE
Be sure the air box boots fully seat onto the dual throttle
body before tightening the hose clamps
j
.
TORQUE
Hose Clamps:
35 in-lb (4 Nm)
Intake Plenum Mount Screw:
22 ft-lb (30 Nm)
FUEL SYSTEM
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