Valve Clearance Adjustment - Polaris 2015 RZR 900 Service Manual

ENGINE / COOLING SYSTEM

Valve Clearance Adjustment

IMPORTANT: Do not rotate the engine backwards.
The timing chain may jump teeth and lead to poor
performance.
NOTE: Always inspect valve clearance prior to
camshaft installation or final engine assembly.
1. Reference the camshaft
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
Exhaust Camshaft
2. Lubricate the camshaft bearing journal surfaces with
Polaris PS-4 engine oil prior to installation.
3. Carefully install the camshafts into the cylinder head.
The PTO camshaft lobes
shown.
3.82
intake and exhaust
- PN 1204583
1
- PN 1204584
should face out as
9925723 R01 - 2015 RZR 900 Service Manual
© Copyright 2014 Polaris Industries Inc.
4. Carefully install the rear camshaft carriers onto the
camshafts. Carrier openings should face each other
when installed properly.
5. Install the four bolts that retain each rear camshaft
carrier & and tighten the bolts evenly to
specification.
Camshaft Carrier Bolts:
89 in-lbs (10 Nm)
6. Rotate the camshaft until the cam lobes above the
valves you are inspecting are facing up .