Page 146 - Manual_Polaris_RZR_ProXP-20-21

ENGINE / COOLING SYSTEM

ENGINE REMOVAL .......................................................................................3.46
ENGINE INSTALLATION...................................................................................3.49
CAM CHAIN TENSIONER SERVICE.......................................................................3.52
ENGINE DISASSEMBLY / INSPECTION - TOP END ......................................................3.53
VALVE COVER REMOVAL.................................................................................3.53
CAMSHAFT REMOVAL....................................................................................3.53
CAMSHAFT SPROCKET INSPECTION....................................................................3.54
CAMSHAFT / CAMSHAFT BORE INSPECTION............................................................3.55
CYLINDER HEAD REMOVAL..............................................................................3.57
CYLINDER HEAD INSPECTION ...........................................................................3.57
CYLINDER HEAD DISASSEMBLY .........................................................................3.58
VALVE INSPECTION ......................................................................................3.59
COMBUSTION CHAMBER CLEANING ....................................................................3.60
VALVE SEAT RECONDITIONING ..........................................................................3.60
ENGINE DISASSEMBLY / INSPECTION - BOTTOM END .................................................3.63
STATOR COVER REMOVAL / INSPECTION ...............................................................3.63
WATER PUMP HOUSING REMOVAL ......................................................................3.64
FLYWHEEL REMOVAL ....................................................................................3.64
STARTER ONE-WAY CLUTCH DISASSEMBLY ............................................................3.65
CRANKCASE DISASSEMBLY .............................................................................3.66
BALANCE SHAFT REMOVAL / INSPECTION ..............................................................3.68
CRANKSHAFT REMOVAL / INSPECTION .................................................................3.69
CRANKCASE INSPECTION ...............................................................................3.71
CYLINDER / PISTON REMOVAL...........................................................................3.72
CYLINDER INSPECTION..................................................................................3.73
PISTON DISASSEMBLY / INSPECTION ...................................................................3.74
PISTON RING REMOVAL..................................................................................3.75
PISTON RING TO GROOVE CLEARANCE ................................................................3.75
PISTON RING INSTALLED GAP ...........................................................................3.75
PISTON TO CYLINDER CLEARANCE .....................................................................3.76
CONNECTING ROD INSPECTION ........................................................................3.76
ENGINE ASSEMBLY - BOTTOM END ......................................................................3.78
BEARING SELECTION IDENTIFICATION..................................................................3.78
CONNECTING ROD BEARING SELECTION...............................................................3.78
CRANKSHAFT MAIN BEARING SELECTION ..............................................................3.79
UPPER CRANKCASE PREPARATION.....................................................................3.79
PISTON RING INSTALLATION.............................................................................3.80
PISTON / CONNECTING ROD ASSEMBLY ................................................................3.81
PISTON / CYLINDER INSTALLATION......................................................................3.82
CRANKSHAFT INSTALLATION ............................................................................3.83
BALANCE SHAFT INSTALLATION.........................................................................3.84
LOWER CRANKCASE PREPARATION ....................................................................3.85
CRANKCASE ASSEMBLY .................................................................................3.85
STARTER ONE-WAY CLUTCH ASSEMBLY................................................................3.89
FLYWHEEL INSTALLATION ...............................................................................3.89
STATOR COVER INSTALLATION..........................................................................3.90
ENGINE ASSEMBLY - TOP END ............................................................................3.91

3.2 9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.