4.10
9931493 R03 - 2020-2021 Sportsman XP 1000 S Service Manual
© Copyright Polaris Inc.
FUEL INJECTOR O-RINGS
1. Any time an injector is removed, you must replace the
upper and lower O-rings.
2. Always lubricate NEW injector o-rings with clean,
silicone-free motor oil.
NOTICE
Apply oil sparingly and avoid contaminating the pintle
valve / jet surface and upper inlet port.
3. Install NEW o-rings onto top and bottom of injector
ITEM PART
NUMBER
COLOR POSITION
q
1500198 Blue
TOP OF
INJECTOR
w
5415066 Green
BOTTOM OF
INJECTOR
IMPORTANT
Always install NEW o-rings when removing the fuel rail
or injectors.
IMPORTANT
Verify that the new top and bottom o-rings are installed
in the correct position and are lubricated with clean,
silicone-free oil.
FUEL INJECTOR TEST
If an injector is not operating, it can indicate either a bad
injector, or a wiring/electrical connection problem. Check
as follows:
• Remove the seat, left-hand side panel, and disconnect
the fuel injector(s).
• Using an ohmmeter, test for continuity by placing the
test leads on each pin of the injector.
• Resistance specification is 12Ω ± 5% (20°C, 68°F)
Fuel Injector Resistance Specification:
12Ω ± 5% (20°C, 68°F)
ENGINE ELECTRICAL
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