3.4
9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
© Copyright Polaris Industries Inc.
SETTING TDC (TOP-DEAD-CENTER).... . . . . . ............. . . . . . .............. . . . . . ............. . . . . . ... 3.122
ENGINE DISASSEMBLY / INSPECTION - TOP END ... ........... ... ... . . . . . ............. ...... . . . . . ... 3.124
VALVE COVER REMOVAL...... .... ... ... . . . . . ............. ...... . . . . . ............ . . . . . . ............ .... 3.124
CAMSHAFT / CARRIER REMOVAL .......... .... . . . . . . ........... ...... . . . . . ............. ... ... . . . . . ... 3.124
CAMSHAFT SPROCKET INSPECTION.. . . . .. ............. . . . . . ............. .... . . . . . . ............. . . . . . 3.125
CAMSHAFT INSPECTION.. . . . . . ............. . . . . . .............. . . . . . ............. . . . . . ............. .... 3.126
EXHAUST CAMSHAFT DECOMPRESSION MECHANISM ......... ..... . . . . . . ............ . . . . . . ......... 3.126
CAM CHAIN AND GUIDE SERVICE . . . . ............. ..... . . . . . ............. . . . . . ............. .... ... ... . 3.127
CYLINDER HEAD REMOVAL . .. ........... ...... . . . . . ............. . . . . . .............. . . . . . ............. . 3.127
CYLINDER HEAD DISASSEMBLY . . ............. . . . . . .. ........... ...... . . . . . ............. . . . . . ......... 3.128
CYLINDER HEAD IDENTIFICATION . . . . ............. ... ... . . . . . ............. .... ... ... .... ... ... . . . . . ... 3.129
CRANKCASE IDENTIFICATION ... . . . . . ............. ... .... ... ... . . . . . ............. ...... . . . . . .......... 3.129
CYLINDER HEAD INSPECTION ... . . . . . ............. ... .... . . . . . .............. . . . . . ............. . . . . . ... 3.130
CYLINDER HEAD WARP INSPECTION... . . . . . ............. ... .... ... ... . . . . . . ............ ...... . . . . . ... 3.130
VALVE INSPECTION . . .. ........... ... .... . . . . . .. ............ . . . . . ............. . . . . . .. ........... ...... . 3.130
COMBUSTION CHAMBER CLEANING .... . . . . . .............. . . . . . ............. . . . . . .. ........... ...... . 3.131
VALVE SEAT RECONDITIONING ......... . . . . . ............. ...... . . . . . ............ . . . . . ............. .... 3.132
CYLINDER REMOVAL.. . . ............. ... . . . . . ............. ... .... ... ... . . . . . . ............ ...... . . . . . ... 3.134
CYLINDER INSPECTION.. . . . .. ........... ... .... ... ... .... ... .... . . . . . ............ ...... . . . . . .......... 3.134
PISTON REMOVAL.. . . ............ . . . . . ............. ...... . . . . . ............. . . . . . .. ............ . . . . . .... 3.135
PISTON-TO-CYLINDER CLEARANCE. . . . . ............. .... ... ... . . . . . ............. ...... . . . . . .......... 3.135
PISTON / ROD INSPECTION .......... ... . . . . . ............. ...... . . . . . ............. . . . . . .. ............ . . 3.136
PISTON RING INSTALLED GAP ........... ... .... ... ... .... ... ... . . . . . . ............ ...... . . . . . .......... 3.136
HONING TO OVERSIZE. .... . . . . . ............ .... ... ..... . . . . . ........... ...... . . . . . .. ........... ... ... . 3.137
CYLINDER HONE SELECTION / HONING PROCEDURE ......... . . . . . ............. . . . . . .............. . . 3.138
CLEANING THE CYLINDER AFTER HONING . . .. ............. .... . . . . . .............. . . . . . ............. . 3.138
CAMSHAFT INSTALLATION / TIMING . . ............. ..... . . . . . . ............ . . . . . . ............ .... ... .... 3.138
CAMSHAFT TIMING - QUICK REFERENCE . . . ............. ...... . . . . . ............. ... ... . . . . . .......... 3.141
ENGINE ASSEMBLY - TOP END .... . . . . . . ............ ...... . . . . . ............. . . . . . .. ............ . . . . . .... 3.142
PISTON RING INSTALLATION......... .... ... ... . . . . . .. ........... ...... . . . . . ............. . . . . . .. ....... 3.142
PISTON / CONNECTING ROD ASSEMBLY .. . . ............. . . . . . ............ .... ... ..... . . . . . ........... 3.143
CYLINDER INSTALLATION. . . . . . ............. ... . . . . . .. ........... ...... . . . . . ............. . . . . . ......... 3.144
CYLINDER HEAD ASSEMBLY.. . ............. .... ... ... .... ... ... . . . . . . ............ ...... . . . . . .......... 3.144
VALVE SEALING TEST .. ........... ... ... . . . . . ............. ...... . . . . . ............. . . . . . .............. . . 3.145
CYLINDER HEAD IDENTIFICATION . . . . ............. ... ... . . . . . ............. .... ... ... .... ... ... . . . . . ... 3.146
CRANKCASE IDENTIFICATION ... . . . . . ............. ... .... ... ... . . . . . ............. ...... . . . . . .......... 3.146
CYLINDER HEAD INSTALLATION - BLACK BOLTS .. ............. . . . . . ............. ... ... . . . . . . ......... 3.147
CYLINDER HEAD INSTALLATION - SILVER BOLTS.. . . . . . .. ............ . . . . . ............. . . . . . .......... 3.148
VALVE CLEARANCE CHECK / ADJUSTMENT ............. . . . . . ............. . . . . . .............. . . . . . .... 3.149
VALVE LASH - TAPPET SELECTION ......... .... . . . . . . ............. . . . . . ............. .... ... ... . . . . . ... 3.152
EXHAUST VALVE LASH - TAPPET SELECTION MATRIX ...... .... . . . . . .. ............ . . . . . ............. . 3.153
VALVE COVER INSTALLATION..... ... .... . . . . . .............. . . . . . ............. . . . . . .. ........... ...... . 3.154
ENGINE DISASSEMBLY / INSPECTION - LOWER END . . . . ............. . . . . . .............. . . . . . ....... 3.155
CRANKCASE DISASSEMBLY .. ... . . . . . ............. ... .... ... ... . . . . . ............. ...... . . . . . .......... 3.155
STATOR COVER REMOVAL........... ... . . . . . ............. ...... . . . . . ............. . . . . . ............ .... 3.155
STARTER ONE-WAY CLUTCH INSPECTION .... . . . . . .. ........... ..... . . . . . ............. . . . . . .......... 3.155
STATOR REMOVAL ......... ...... . . . . . ............. . . . . . .............. . . . . . ............. . . . . . .......... 3.157
ENGINE / COOLING SYSTEM
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