Polaris RZR 900 2017 Service Manual page 214

ENGINE / COOLING SYSTEM
CAMSHAFT INSTALLATION / TIMING
NOTICE
If any valve train components were replaced, refer to
"Valve Clearance Adjustment" procedure prior to
"Camshaft Installation / Timing".
1. Rotate the engine until the flywheel Top Dead Center
q
(TDC) mark is aligned or centered in the
Crankshaft Position Sensor (CPS) mounting hole
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.
Intake Camshaft - PN 1204583
Exhaust Camshaft - PN 1204584
3. Lubricate all camshaft lobes and bearing journal
surfaces with Polaris PS-4 engine oil prior to
installation.
3.80
4. Carefully install the camshafts into the cylinder head.
The PTO camshaft lobes
shown.
w
.
5. Carefully install the rear camshaft carriers onto the
camshafts. Carrier openings should face each other
when installed properly.
6. Install the four bolts that retain each rear camshaft
y
carrier and tighten the bolts evenly until snug.
7. Install the Cylinder Holding & Camshaft Timing Plate
(PU-50563) into the end of camshafts as shown. Use
an open-end wrench to rotate camshafts slightly if
needed.
9930588 R02 - 2017-2020 RZR 900 900/S 900/S4 1000/S 1000/S4 Service Manual
t
should face out as
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