9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
5.19
FUEL RAIL / FUEL INJECTOR REMOVAL
IMPORTANT
Use Digital Wrench to reset the fuel injector break-in
timer when new fuel injectors are installed on the
engine, see Fuel Injector Break-In Timer Reset page
WARNING
Gasoline is extremely flammable and explosive under
certain conditions. Do not smoke or allow open flames
or sparks in or near the fuel tank / fuel system.
NOTICE
The fuel rail, micro-dampers, and fuel hoses attached to
the rail are not serviceable.
IMPORTANT
Do not touch fuel injector inlets / outlets. Leave
protective caps in place while handling.
NOTICE
Fuel rail fasteners must be replaced each time they are
removed or loosened.
1. Follow the procedure for air box removal. The throttle
body can remain installed in the adapter plate.
2. Disconnect the fuel return
q
and supply
w
quick-
disconnect fittings. Wipe away any spilled fuel using a
clean shop towel.
IMPORTANT
Do not apply excessive pressure to fuel fittings or clips.
3. Cut the cable ties
e
that secure the fuel injector
harness to the throttle body.
4. Remove the two fasteners
r
that mount the fuel rail
to the engine.