5.16
9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
3. Remove the two fasteners
e
that mount the fuel rail
to the engine.
4. Carefully pull the fuel rail away from the engine and
injectors. Dispose of any fuel inside the fuel rail into a
suitable fuel container.
5. Remove the fuel injectors
r
. Discard the fuel injector
O-rings.
NOTICE
Fuel injectors are serviced as an assembly. Do not
attempt to replace individual injectors.
6. Verify the two rubber bushings are not inside the fuel
injector bores. Remove with a soft-tipped pick if
bushings did not come out with injectors. Discard the
bushings.
7. To reassemble fuel injectors, install a new blue O-ring
t
, new green O-ring
y
, and new rubber bushing
u
on each fuel injector. Apply a light film of engine oil on
the rubber bushings and O-rings.
NOTICE
Note the rubber bushings are installed cone-side into
bore.
8. Install both fuel injectors / harness into cylinder bores.
IMPORTANT
Do not damage the rubber bushings during injector
installation.
9. Carefully reinstall the fuel rail assembly. Pass the
MAG fuel injector harness
i
between the fuel supply
and return fittings.
NOTICE
Note that the fuel injector harness is secured to the
throttle body at the white tape marks with routing clips /
cable ties.
FUEL SYSTEM
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