3.59
ENGINE / COOLING SYSTEM
3
9923523 - 2012
RANGER
RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
Valve Clearance Check / Adjustment
IMPORTANT: Always inspect valve clearance prior to
camshaft installation or final engine assembly.
1. Install the cam chain guides and cam chain before
camshaft installation (if removed) as outlined in this
chapter.
2. Reference the camshaft 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.
3. Lubricate the camshaft bearing journal surfaces with
Polaris PS-4 Plus engine oil prior to installation.
4. Carefully install the camshafts into the cylinder head.
The camshaft lobes should face out.
5. Carefully insta ll the camshaft carrier onto the
camshafts.
6. Install the upper cam chain guide and the (8) bolts that
retain the camshaft carrier.
7. Torque the camshaft ca rrier bolts in se quence to
specification.
8. Install the Cy linder Holding and Camsha ft Timing
Plate (PU-50563) into the end of camshafts as shown
below. The thermostat housing must be removed to
install the timing plate PU-50563.
INTAKE
Part Number
EXHAUST
Part Number
Intake Cam
Exhaust Cam
(decompression)
=
T
Camshaft Carrier Bolts:
7.5 ft. lbs. (10 Nm)
PU-50563
Summary of Contents for 2012 RANGER RZR 570
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