Crankcase Disassembly; Crankcase Separation And Cam Chain Removal; Crankshaft Removal - Polaris RANGER RZR 170 Service Manual

CRANKCASE DISASSEMBLY

NOTE: Engine must be removed from the frame to
perform any crankcase or crankshaft removal.
NOTE: The starter, starter drive, flywheel, stator, oil
pump and transmission can be serviced with the
engine in the frame.
Crankcase Separation and 
Cam Chain Removal
NOTE: Stator housing, flywheel and gears are
previously removed for this procedure. Use care
during the removal process to avoid damage to the
cam chain.
NOTE: Cylinder head and cylinder removal must be
performed prior to this procedure.
NOTE: Always replace the pto crankshaft seal after
performing this procedure.
1. Remove two case bolts (circled) from the magneto
side crankcase.
2. Separate crankcase using a press or by pressing on
the pto end of the crankshaft using special tool (PA-
46087).
NOTE: Tapping the pto end of the crankshaft with a
soft-face hammer may also separate the cases. Use
care not to damage the crankshaft end or cases.
Crankcase Separator Tool
PA-46087
3. Watch the gap along the crankcase mating surface
and separate the crankcase evenly.
4. Once the crankshaft bearing is free from the case, the
crankshaft and cam chain can be removed by hand for
replacement.

Crankshaft Removal

1. Support the MAG side crankcase on blocks. Press
the crankshaft out using a press or special tool (PA-
46087). Use care not to damage the crankshaft oil
passage on the mag end crankshaft end.
NOTE: Tapping the pto end of the crankshaft with a
soft-face hammer may also separate the cases. Use
care not to damage the crankshaft end or cases.
9923983 - 2012-2013 RZR 170 Service Manual
© Copyright 2012 Polaris Sales Inc.
ENGINE
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