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9930588 R02 - 2017-2020 RZR 900 900/S 900/S4 1000/S 1000/S4 Service Manual
© Copyright Polaris Industries Inc.
5. If bearing replacement is required, remove the
retaining ring and heat the stator cover around the
bearing evenly with a heat gun. Tap cover on a soft
work surface to remove the bearing from the
housing. A blind bearing puller can also be used.
Replace bearing if removed.
WATER PUMP HOUSING REMOVAL
NOTICE
The water pump housing can be serviced with the
engine installed in the chassis (see Chapter 3 – Water
Pump Removal page 3.13).
1. Remove the coolant lines from the thermostat
housing, cylinder inlet and oil cooler. Leave them all
attached to the water pump housing.
2. Remove the three gold colored bolts
q
retaining the
water pump housing to the engine. Note the location
of the shorter bolt.
3. Remove the water pump assembly from the engine
by using a twisting motion as you pull out on the
housing.
4. If water pump service is required (impeller or
mechanical seal), refer to “ENGINE COOLING
SYSTEM”.
FLYWHEEL REMOVAL
NOTICE
The flywheel can be serviced with the engine installed
in the chassis.
1. Remove the stator cover assembly.
2. Remove the starter torque limit gear as an assembly.
3. Inspect gear teeth for damage. Inspect fit of shaft
inside gear and replace gear assembly is clearance
is excessive. Inspect the shaft and bearing surfaces
in the crankcase and stator cover for excessive wear.
ENGINE / COOLING SYSTEM
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