Polaris 850 MATRYX SWITCHBACK ASSAULT 146 2021 User Manual

5
9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
5.1
FUEL SYSTEM
CHAPTER 5
FUEL SYSTEM
GENERAL INFORMATION. . . .. . . ... . ... . . .. . . .. . . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . 5.2
SERVICE WARNINGS. ... . ... . ... . . .. . . ... . ... . . .. . . .. . . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . 5.2
FUEL RECOMMENDATION .. . ... . ... . . .. . . ... . . .. . ... . . .. . . ... . . .. . .... . .. . . ... . . .. . .... . .. . . ... . . .. . 5.3
FUEL SYSTEM DEICERS . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . 5.3
FUEL PUMP PRIME PROCEDURE . . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . . .. . . .. . . ... . .. 5.4
FUEL PUMP PRIME PROCEDURE WITHOUT SERVICE TOOL ... . .. . . ... . . .. . . ... . .. . . ... . . .. . . ... . .. 5.6
FUEL TYPE SELECTION – STANDARD GAUGE ... . ... . . .. . . ... . . .. . .... . .. . . ... . . .. . .... . .. . . ... . . .. . 5.7
FUEL TYPE SELECTION – 7S DISPLAY . . . .. . . .. . . ... . ... . . .. . . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . . 5.7
FUEL INJECTORS / FUEL RAIL / THROTTLE BODY . . ... . . .. . . .. . . ... . . .. . . ... . ... . ... . . .. . . ... . ... . . 5.8
FUEL RAIL / THROTTLE BODY ASSEMBLY VIEW . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . 5.8
FUEL HOSE QUICK DISCONNECT FITTINGS . ... . . .. . .... . .. . . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . 5.9
THROTTLE BODY REMOVAL . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . . .. . . .. . . ... . ... . . .. . . .. . . 5.9
THROTTLE BODY INSTALLATION . . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . . .. . . .. . . ... . ... . . .. . .5.14
FUEL RAIL / FUEL INJECTOR REMOVAL .. . ... . . .. . . ... . ... . ... . . .. . . ... . ... . . .. . . .. . . ... . ... . . .. . . .5.19
FUEL RAIL / FUEL INJECTOR INSTALLATION... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . .5.21
FUEL INJECTORS . . .. . .... . .. . . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . .5.23
FUEL INJECTOR SERVICE . . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . . .. .5.23
FUEL TANK SERVICE. . .. . . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . .5.25
FUEL TANK ASSEMBLY VIEW. . . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . .5.25
FUEL TANK REMOVAL . .... . .. . . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . .5.26
FUEL TANK INSTALLATION . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . . .. . . ... . ... . . .. . . .. . . ... . ... .5.29
FUEL PUMP SERVICE. .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . .5.33
FUEL PUMP SPECIFICATIONS . . . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ...5.33
FUEL PUMP REMOVAL .. . ... . ... . . .. . . ... . ... . . .. . . .. . . ... . ... . . .. . . ... . ... . . .. . . .. . . ... . ... . . .. . . ..5.33
FUEL PUMP INSTALLATION .. . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . . .. . . .. . . ... . ..5.34
FUEL PUMP WIRE HARNESS ROUTING . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . .5.37
FUEL LINE SERVICE .. . .. . . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. .5.38
FUEL LINE ROUTING . . ... . . .. . . .. . . ... . . .. . . ... . .. . . ... . . .. . . ... . ... . ... . . .. . . ... . ... . ... . . .. . . ... . .5.38

Polaris 850 MATRYX SWITCHBACK ASSAULT 146 2021 Specifications

General

Brand	Polaris
Model	850 MATRYX SWITCHBACK ASSAULT 146 2021
Category	Snowmobiles
Language	English