3.134
9930588 R02 - 2017-2020 RZR 900 900/S 900/S4 1000/S 1000/S4 Service Manual
© Copyright Polaris Industries Inc.
7. Install and finger tighten the two outer M6 bolts
y
evenly.
NOTICE
Install new cylinder head bolts.
8. Torque cylinder head bolts in sequence to
specification.
TORQUE
Cylinder Head Torque Procedure:
Torque in sequenceStep 1: 13 ft-lbs (18 Nm)Step 2:
26 ft-lb (35 Nm)Step 3: Additional 180°Step 4: M6
bolts: 7 ft-lb (10 Nm)
CAMSHAFT INSTALLATION / TIMING
NOTICE
If any valve train components were replaced, refer to
Valve Clearance Adjustment page 3.139 procedure.
1. Rotate the engine until the flywheel Top Dead Center
(TDC) mark
q
is aligned or centered in 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
opposite of the “I” mark. Only the “I” 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 and
compare to the electronic parts catalog.
3. Lubricate all camshaft lobes and bearing journal
surfaces with Polaris PS-4 engine oil prior to
installation.
4. Carefully install the camshafts into the cylinder head.
The PTO camshaft lobes
t
should face out as
shown.
ENGINE / COOLING SYSTEM
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