Polaris RANGER 570 2020 User Manual

3.2
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
VALVE COVER REMOVAL. ........... ... ............. . . . . . ............. .............. .. . ........... ..3.48
CAMSHAFT / CARRIER REMOVAL ......... ... ............. . . . . . ............. ... ........... ... ......3.48
CAMSHAFT SPROCKET INSPECTION . . . ............. ... ........... .. . . ............. . . . . . ...........3.49
CAMSHAFT / CAMSHAFT BORE INSPECTION........ ... ........... .. . ............. . . . . . ............3.49
EXHAUST CAMSHAFT DECOMPRESSION MECHANISM .......... . . . . . ............. ... ........... ..3.50
CAM CHAIN AND GUIDE SERVICE .. ............. .............. .............. .. . . ............. . . . . . .3.50
CYLINDER HEAD REMOVAL ........ . . . . . ............. .. . . ............. . . . . . .............. . . . . . ......3.51
CYLINDER HEAD DISASSEMBLY . . . . ............. .. .. ............. . . . . . ............. . . . . . ...........3.51
CYLINDER HEAD INSPECTION ..... . . . . . ............. ... ........... ... ............. . . . . . ............3.52
CYLINDER HEAD WARP INSPECTION...... ... ............. . . . . . ............. ... ........... .. . ......3.52
VALVE INSPECTION .......... . . . . . .............. . . . . . ............. . . . . . ............. .. . . ............3.52
COMBUSTION CHAMBER CLEANING . . . . . . ............. .. .. ............. . . . . . ............ . . . . . . ....3.54
VALVE SEAT RECONDITIONING . . ............. . . . . . .............. . . . . . ............. . . . . . ............3.54
CYLINDER REMOVAL......... .. . ........... .. . . .. ........... . . . . . .............. . . . . . ............. . . .3.55
CYLINDER INSPECTION............ . . . . . ............. .. . . ............. . . . . . .............. . . . . . ......3.56
PISTON REMOVAL........... . . . . . ............. ... ........... ... ........... .. . ............. . . . . . .....3.56
PISTON-TO-CYLINDER CLEARANCE ............ . . . . . ............. . . . . . ............. .. . . ............3.57
PISTON / ROD INSPECTION ......... ... ............. . . . . . ............. .............. .. . . ............3.57
PISTON RING INSTALLED GAP ...... . . . . . .............. . . . . . ............. . . . . . .. ........... .. . . .....3.58
ENGINE ASSEMBLY - TOP END. ............. .. .. ............. . . . . . ............ . . . . . . . ........... .. . . .....3.59
PISTON RING INSTALLATION........... .. .. ............ . . . . . ............. . . . . . .. ........... .. . . .....3.59
PISTON / CONNECTING ROD ASSEMBLY . . . . . . .. ........... ... ........... ... ............. . . . . . .....3.60
CYLINDER INSTALLATION .. . . . ............. . . . . . . ............. . . . . . ............. .. .. ............ . . . .3.60
CYLINDER HEAD INSTALLATION .... ... ............. . . . . . ............. .............. .. . .............3.61
VALVE SEALING TEST .. . . . ............. .............. .. . ........... .. . . ............. . . . . . ...........3.62
VALVE CLEARANCE CHECK / ADJUSTMENT ............ .............. .............. .. . . ............3.62
VALVE LASH - TAPPET SELECTION MATRIX ..... .. .............. . . . . . ............. . . . . . ............3.64
CAMSHAFT INSTALLATION / TIMING .. . . ............. .. . . ............ . . . . . ............. .. .. .........3.65
CAMSHAFT TIMING - QUICK REFERENCE .............. .............. .. .............. . . . . . .........3.67
VALVE COVER INSTALLATION............. . . . . . .. ........... ... ........... ... ............. . . . . . .....3.68
ENGINE DISASSEMBLY / INSPECTION - LOWER END. .. .. ............. . . . . . ............. . . . . . ...........3.69
CRANKCASE DISASSEMBLY .............. . . . . . .. ........... ... ........... .. . ............. . . . . . .....3.69
STATOR COVER REMOVAL......... . . . . . ............. ... ........... ... ............. . . . . . ............3.69
STARTER ONE-WAY CLUTCH INSPECTION ... ... ........... .. . ............. . . . . . ............. .. .. ..3.69
STATOR REMOVAL .... ... ........... ... ............. . . . . . ............. .............. .. . .............3.71
OIL PUMP REMOVAL .. ............. . . . . . ............. ... ........... ... ............. . . . . . ............3.72
OIL PUMP ASSEMBLY ........... .............. ... ........... .. . . ............ . . . . . . ............ .. .. ..3.74
CRANKCASE BREATHER SERVICE . ............. .............. .. .. ............. . . . . . ............. . .3.75
CRANKCASE SEPARATION...... .............. ... ........... ... ........... .. . . ............. . . . . . ....3.75
BALANCE SHAFT REMOVAL / INSPECTION .. . . . . . ............. .. .............. . . . . . ............. . . .3.76
CRANKSHAFT REMOVAL ........ .............. .. . ........... .. . . ............. . . . . . .............. . . . .3.77
CRANKSHAFT INSPECTION ....... . . . . . ............. . . . . . ............. .. .. ............. . . . . . ........3.77
PTO SIDE CRANKCASE BEARING SERVICE ........ . . . . . ............ . . . . . . ............ .. .. .........3.78
MAG SIDE CRANKCASE BEARING SERVICE ..... .............. .. .............. . . . . . ............. . . .3.79
OIL PICKUP ASSEMBLY INSPECTION ......... .. . ............. . . . . . ............. .. .. ............ . . . .3.80
OIL PRESSURE REGULATOR (BYPASS) VALVE INSPECTION .. ........... ... ............. . . . . . .....3.80
CRANKCASE INSPECTION .......... .. . ............. . . . . . ............. .. .. ............ . . . . . .........3.80
ENGINE ASSEMBLY - LOWER END . . . . ............. ... ........... .. . . ............. . . . . . ............ .. .. ..3.81
ENGINE / COOLING SYSTEM

Polaris RANGER 570 2020 Specifications

General

Brand	Polaris
Model	RANGER 570 2020
Category	Offroad Vehicle
Language	English