Polaris RZR PRO XP 2020, Service Manual

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3
9850068 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.
3.93
6. Install new bolts and finger tighten the six cylinder
head bolts
t
evenly.
IMPORTANT
Lightly oil the threads and under the flange head on all
the head bolts with new engine oil.
7. Install and finger tighten the two outer M6 bolts
y
evenly.
NOTICE
Install new cylinder head bolts any time the head is
removed.
8. Torque cylinder head bolts in sequence to
specification.
TORQUE
Cylinder Head Bolts:
Torque in sequence
Step 1: 13 ft-lbs (18 Nm)
Step 2: 26 ft-lb (35 Nm)
Step 3: Additional 180°
Step 4: Additional 180°
Step 5: M6 bolts: 7 ft-lb (10 Nm)
CAMSHAFT INSTALLATION / TIMING
NOTICE
If any valve train components were replaced, refer to
Valve Clearance Adjustment page 2.31 procedure prior
to performing this procedure.
1. Rotate the engine until the flywheel Top Dead Center
(TDC) mark
q
is aligned with the top edge of the
Crankshaft Position Sensor (CPS) mounting hole
w
.
This places the PTO cylinder at TDC for camshaft
installation.
NOTICE
DO NOT use the “V” mark located on the flywheel. Only
the “+” mark should be used as a TDC reference.
2. Reference the intake and exhaust markings made
during disassembly. If installing new camshafts or if
camshafts were not marked, you can reference the
part number stamped on the end of the shafts.
Intake Camshaft - 3023171
Exhaust Camshaft - 3023172
3. Lubricate all camshaft lobes and bearing journal
surfaces with Polaris PS-4 engine oil prior to
installation.
ENGINE / COOLING SYSTEM