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9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
9. Verify the foam pads on the tunnel are installed and
not damaged. Install the fuel tank
q
onto the vehicle.
10.Reconnect the fuel supply and return hose
connectors
t
at the fuel pump flange assembly.
NOTICE
Note the position of the supply and return fuel hoses.
Connect the 5/16” connector to the 5/16” fitting on the
pump flange and connect the 3/8” connector to the 3/8”
fitting on the pump flange.
IMPORTANT
Do not apply excessive pressure to fuel fittings or clips.
11. Perform a push/pull test on the fuel line connections
with at least 5 lbs. of force.
IMPORTANT
Connections should NOT disengage during push/pull
test.
12.Make sure the gas cap is firmly installed.
13.Mix a ratio of approximately 10 parts water to 1 part
dish soap in a squeeze bottle or paper cup. This
solution will serve as your leak detector.
14. Attach the proper size hose to allow a Mity-Vac as
seen below (or equivalent pressure pump with a low-
pressure scale) to be connected to the fuel tank vent
fitting. The image below shows the Mity-Vac
assembled with optional Schrader valve
Q
to allow
faster pressurizing of fuel tank.
Optional Schrader valve shown below.
FUEL SYSTEM
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