Camshaft Installation / Timing - Polaris 2015 RZR 900 Service Manual

Camshaft Installation / Timing

NOTE: 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
(TDC) mark is aligned or centered in the
1
Crankshaft Position Sensor (CPS) mounting hole
This places the PTO cylinder at TDC for camshaft
installation.
NOTE: 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.
4. Carefully install the camshafts into the cylinder head.
.
5. Carefully install the rear camshaft carriers onto the
6. Install the four bolts that retain each rear camshaft
9925723 R01 - 2015 RZR 900 Service Manual
© Copyright 2014 Polaris Industries Inc.
ENGINE / COOLING SYSTEM
The PTO camshaft lobes
shown.
camshafts. Carrier openings should face each other
when installed properly.
carrier and tighten the bolts evenly until snug.
should face out as
3
3.77