Cylinder Head Removal; Cylinder Head Inspection - Polaris RZR PRO XP 2020 Service Manual

CYLINDER HEAD REMOVAL

NOTICE
The cylinder head can be serviced with the engine
installed in the chassis.
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1. Disconnect coolant hose
if connected.
2. Remove the two fasteners
housing to the cylinder head.
3. Remove the two outer M6 bolts
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cylinder head to the cylinder.
4. Loosen the six cylinder head bolts
at a time until all are loose.
5. Remove and discard the cylinder head bolts.
6. Tap cylinder head lightly with a soft faced hammer
until loose.
CAUTION
Tap only in reinforced areas or on thick parts of the
cylinder head casting.
9850068 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.
from thermostat housing
w
retaining the thermostat
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that retain the
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evenly 1/8 turn
ENGINE / COOLING SYSTEM
7. Remove the cylinder head and head gasket
NOTICE
Once the cylinder head is removed, nothing retains the
cylinder to the engine. DO NOT rotate the engine
without using the Cylinder Holding & Camshaft Timing
Plate (PU-50563). Refer to Cylinder / Piston Removal
page 3.72.

CYLINDER HEAD INSPECTION

Thoroughly clean cylinder head surface to remove all
traces of gasket material and carbon.
CAUTION
Use care not to damage gasket sealing surface. All
gasket surfaces must be clean, dry and free of any oil
or grease upon assembly. Clean sealing surfaces with
rubbing alcohol or electrical contact cleaner. Do not
touch sealing surfaces of the new head gasket.
Lay a straight edge across the surface of the cylinder
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head at several different points and measure warp by
inserting a feeler gauge between the straight edge and
the cylinder head surface. If warp exceeds the service
limit, replace the cylinder head.
MEASUREMENT
Cylinder Head Warp Limit:
.002" (0.05 mm)
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.
3
3.57