Polaris 850 SKS 155 2020 User Manual

IX
9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
IX.3
Spider Indexing......................................................7.23
Drive Clutch Assembly ...............................................7.20
Drive Clutch Disassembly ...........................................7.14
Drive Clutch Removal.................................................7.14
Drive Spring .............................................................. 7.3
Drive System Terminology
1:1 Shift Ratio......................................................... 7.4
Backshifting ........................................................... 7.4
Clutch Weight ......................................................... 7.3
Drive Spring ........................................................... 7.3
Driven Spring ......................................................... 7.4
Engagement RPM ................................................... 7.3
Final Gearing.......................................................... 7.4
Helix/Ramp ............................................................ 7.4
Low/High Ratio Lines ............................................... 7.4
Neutral Speed ........................................................ 7.3
Shift Out Overrev .................................................... 7.3
Driven Clutch
Assembly .............................................................7.27
Assembly View - Team LWT .....................................7.25
Disassembly .........................................................7.26
Installation ............................................................7.28
Removal...............................................................7.26
Driven Spring ............................................................ 7.4
Driveshaft
Installation ............................................................6.32
Removal...............................................................6.31
Dynamic
Testing ............................................................... 1.123
E
E-VES
Actuator Wire Harness Connector ................... 3.126, 10.82
Diagnostic Trouble Codes (DTCs)............................ 3.116
E-VES-II
Assembly ........................................................... 3.114
Assembly View .................................................... 3.107
Cable Travel Test ................................................. 3.119
Digital Wrench Data Display ................................... 3.121
Disassembly ....................................................... 3.113
EV Actuator Learn Procedure......................... 1.107, 3.122
Inspection........................................................... 3.113
Installation .......................................................... 3.115
Operation Notes................................................... 3.108
Overview ............................................................ 3.105
Removal............................................................. 3.112
ECU
ECU (CNA) 34 Pin Connector Pinout ..........................4.12
ECU (CNB) 34 Pin Connector Pinout ..........................4.13
Label Information ...................................................4.14
Location / Mounting ................................................4.14
Electric Start
Starter Motor / Flex Drive Assembly View .................. 10.90
Starter Motor / Flex Drive Service............................. 10.91
Electric Start Harness
Routing .............................................................. 10.94
Electrical
12V Accessory RCA Adapter ................................ 10.103
Accessory Power Connectors ............................... 10.103
Battery
Identification..................................................... 10.32
Chassis Ground .....................................................2.58
Circuit Breaker..................................................... 10.86
Connector Probing Guidelines................................. 1.124
Continuity / Resistance .......................................... 1.125
Current Draw - Key Off .......................................... 1.128
Digital Multi-Meter (DMM) ...................................... 1.123
Hand / Thumb Warmer Power Management............. 10.101
Headlight / Tail Light Troubleshooting ....................... 10.71
IDD Security
Locking ........................................................... 10.67
Interactive Digital Display (PIDD)
Frozen Display Screen Recovery.......................... 10.52
Reset and Update Procedure............................... 10.54
PIDD
User Notes / Troubleshooting............................... 10.50
Security System
AXYS User Notes.............................................. 10.60
Service Notes ...................................................... 1.123
Static and Dynamic Testing .................................... 1.123
Testing Current Flow (Amperage) ............................ 1.127
Testing For A Short To Ground ................................ 1.125
Testing For A Short To Voltage ................................ 1.126
Testing for Intermittent Conditions ............................ 1.127
Testing Voltage Drop ............................................. 1.128
Electrical System
Charging / Lighting System.......................................10.5
Ignition Timing .......................................................10.5
Electrical Systems
Auxiliary Stop Switch............................................. 10.84
Oil Level Sender .................................................. 10.84
Stator Circuit / Architecture..................................... 10.78
Electronic Oil Pump
Flow Offset Identification........................................... 3.9
Manual Prime Procedure .........................................3.25
Mounting ............................................................... 3.9
Prime Procedure ........................................... 1.111, 3.23
Resistance Check .........................................3.23, 10.83
Trouble Codes / Protection Mode ...............................3.28
Engagement RPM ...................................................... 7.3
Engine
General Information
Torque Specifications ............................................ 3.4
Important Engine Service Notes ................................. 3.6
Installation ............................................................3.39
Model Number Matrix - 2020.....................................3.47
Model Number Matrix - 2021.....................................3.47
Removal...............................................................3.32
Special Tools .......................................................... 3.7
Specifications ........................................................3.47
Engine Antifreeze
50/50 Extended-Life................................................2.17
Engine Coolant Temperature (ECT) Sensor
Harness Routing .................................................. 10.20
Engine Mount
Assembly View ......................................................3.59
Engine Overheating
Troubleshooting ...................................................... 4.3
Engine Protection Mode
Cold Engine Protection .......................................... 10.41
Engine Serial Number
Location ................................................................ 1.6
EV Actuator
Mounting ............................................................ 3.125
Smart Controller.......................................... 3.126, 10.82
Exhaust
Assembly View .................................................... 3.149
Installation .......................................................... 3.154
Removal............................................................. 3.151
Exhaust Gas Temperature (EGT)
Sensor .................................................................. 4.7
Exhaust Manifold
INDEX

Polaris 850 SKS 155 2020 Specifications

General

Brand	Polaris
Model	850 SKS 155 2020
Category	Snowmobiles
Language	English