2
9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
2.1
MAINTENANCE
CHAPTER 2
MAINTENANCE
MAINTENANCE OVERVIEW . ... . ... . .. . . .. . . ... . ... . ... . ... . .. . . .. . . .. . . ... . ... . ... . .. . . .. . . .. . . .. . . ... 2.4
EMISSION CONTROL INFORMATION . . .. .. . ... . ... . .. . . ... . ... . ... . ... . ... . ... . .. . . ... . ... . ... . ... . .. 2.4
EMISSION CONTROL LABEL . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . ... . . .. . . .. . . .. . . .. . . .. . ... . ... . . .. . . .. . . 2.4
EMISSION CONTROL MAINTENANCE REQUIREMENTS . . .. . . .. . . .. . . ... . ... . ... . .. . . .. . . .. . . .. . . ... 2.4
NON-IONIZING RADIATION . ... . ... . . .. . . .. . ... . ... . ... . ... . ... . . .. . ... . ... . ... . ... . ... . ... . ... . ... . .. 2.4
AXYS SPARE BELT HOLDER / TOOLS . .. . . .. . . ... . ... . ... . .. . . .. . . .. . . .. . . .. . . ... . .. . . .. . . .. . . .. . . .. . 2.4
VEHICLE BREAK-IN . . .. . . .. . . .. . ... . . .. . . .. . . .. . . .. . . .. . ... . ... . . .. . . .. . . .. . . .. . . .. . ... . ... . . .. . . .. . . .. . 2.6
ENGINE BREAK-IN PERIOD . . ... . ... . ... . ... . ... . ... . ... . ... . ... . .. . . ... . ... . ... . ... . ... . .. . . .. . . ... . 2.6
850 BREAK-IN PERIODS ... . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. 2.6
DRIVE BELT BREAK-IN . ... . .. . . ... . ... . ... . ... . ... . .. . . .. . . ... . ... . ... . ... . ... . .. . . .. . . ... . ... . ... . .. 2.6
MAINTENANCE PROGRAM. . .. . ... . ... . . .. . . .. . . .. . . .. . ... . ... . ... . . .. . . .. . . .. . . .. . ... . ... . ... . . .. . . .. . 2.7
MAINTENANCE PROGRAM OVERVIEW . . .. .. . . .. . ... . ... . .. . . ... . ... . ... . ... . ... . .. . . .. . . ... . ... . ... 2.7
PRE-RIDE INSPECTION . . .. . . .. . . .. . ... . ... . ... . .. .. . ... . ... . ... . .. . . ... . ... . . .. . ... . ... . .. . . .. . . ... . 2.7
PRE-SEASON MAINTENANCE . . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . ... . . .. . . .. . . .. . . .. . . .. . ... . ... . . . 2.8
PERIODIC MAINTENANCE CHART . .. . . .. . . .. . . .. . ... . ... . .. .. . . .. . ... . ... . ... . ... . ... . ... . ... . ... . .2.10
LUBRICANTS / SERVICE PRODUCTS .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . ... . . .. . . .. . . .. .2.15
50/50 EXTENDED-LIFE ENGINE ANTIFREEZE . . .. . ... . ... . .. .. . . .. . ... . ... . ... . ... . ... . . .. . ... . ... . .2.17
HOOD / SIDE PANEL SERVICE . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . ... . . .. . . .. . . .. . . .. . . .. . ... . ... . . .. . . .. .2.18
AXYS SIDE PANELS . ... . ... . ... . . .. . ... . ... . ... . ... . ... . ... . ... . ... . ... . .. . . ... . ... . ... . ... . ... . .. . .2.18
HOOD REMOVAL / INSTALLATION . . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . .. .. . . .. . . .. . . .. . ... . ... . ... . . .. .2.19
ENGINE MAINTENANCE . . ... . ... . ... . ... . . .. . ... . ... . .. . . ... . ... . ... . ... . ... . ... . .. . . .. . . ... . ... . ... . .2.20
THROTTLE LEVER FREEPLAY INSPECTION . .. .. . ... . ... . .. . . .. . . ... . ... . ... . ... . .. . . .. . . .. . . ... . ..2.20
THROTTLE LEVER FREEPLAY ADJUSTMENT . . .. . ... . ... . .. . . ... . ... . . .. . ... . ... . .. . . .. . . ... . ... . ..2.20
SPARK PLUG MAINTENANCE . ... . .. . . ... . ... . ... . ... . ... . .. . . .. . . ... . ... . ... . ... . .. . . .. . . .. . . ... . ..2.21
SPARK PLUG WIRE / CAP MAINTENANCE. . ... . ... . .. . . .. . . ... . ... . ... . ... . ... . .. . . .. . . ... . ... . ... . .2.21
COOLING SYSTEM MAINTENANCE .. . ... . ... . .. .. . ... . ... . .. . . .. . . ... . ... . ... . ... . .. . . .. . . .. . . ... . ..2.22
COOLING SYSTEM OVERVIEW. ... . ... . ... . ... . ... . .. . . .. . . ... . ... . ... . ... . ... . .. . . .. . . .. . . ... . ... . .2.22
COOLANT BOTTLE LEVEL CHECK . . ... . ... . ... . ... . . .. . . .. . ... . ... . ... . ... . ... . . .. . ... . ... . ... . ... .2.22
COOLING SYSTEM BLEEDING . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . ... . . .. . . .. . . .. . . .. . . .. . ..2.23
DRIVE BELT / CLUTCH MAINTENANCE . . . .. . . .. . . .. . . .. . . .. . ... . .. .. . . .. . . .. . . .. . ... . ... . ... . . .. . . ..2.24
DRIVE BELT REMOVAL - AXYS . . .. . . .. . . .. . ... . ... . .. .. . . .. . ... . ... . ... . ... . ... . . .. . ... . ... . ... . .. . .2.24
DRIVE BELT INSTALLATION - AXYS .. . . .. . . .. . . .. . ... . ... . .. .. . . .. . ... . ... . ... . ... . ... . . .. . ... . ... . .2.25
BELT DEFLECTION INSPECTION / ADJUSTMENT . . .. . . .. . . .. . . ... . ... . ... . ... . .. . . .. . . .. . . ... . ... . .2.26
CLUTCH ALIGNMENT / OFFSET - PS-52666 . . . .. . . .. . . ... . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . ..2.27
CLUTCH ALIGNMENT / OFFSET - PS - 47477 LWT TOOL . ... . ... . .. . . ... . ... . ... . ... . ... . .. . . .. . . .. .2.28
CLUTCH ALIGNMENT / OFFSET - PS - 51607 . . . .. . ... . ... . ... . ... . ... . . .. . ... . ... . .. . . ... . ... . ... . ..2.29
AXYS CLUTCH OFFSET / FLOAT ADJUSTMENT . .. . . .. . . .. . . .. . . .. . ... . .. .. . . .. . . .. . ... . ... . ... . ... .2.30
CLUTCH CLEANING . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . ... . . .. . .2.31
FUEL / AIR INTAKE / EXHAUST MAINTENANCE . .. .. . ... . ... . ... . .. . . ... . ... . ... . ... . ... . .. . . .. . . ...2.32
AXYS FUEL SYSTEM MAINTENANCE ... . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. .2.32
INTAKE FILTERS . . . ... . ... . ... . ... . .. . . .. . . .. . . ... . ... . ... . .. . . .. . . .. . . .. . . ... . ... . .. . . .. . . .. . . .. . . ..2.32