Valve Clearance Check / Adjustment - Polaris 2012 RANGER RZR 570 INTL Service Manual

Valve Clearance Check / Adjustment

IMPORTANT: Always inspect valve clearance prior to
camshaft installation or final engine assembly.
1. Install the cam ch ain g uides and ca m chain be fore
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.
INTAKE
Intake Cam
Part Number
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
Exhaust Cam
EXHAUST
(decompression)
Part Number
7. Torque the camshaft ca rrier bolts in se quence to
8. Install the Cy linder Holding and Camsha ft Timing
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
ENGINE / COOLING SYSTEM
retain the camshaft carrier.
specification.
Camshaft Carrier Bolts:
7.5 ft. lbs. (10 Nm)
Plate (PU-50563) into the end of camshafts as shown
below. The thermostat housing must be removed to
install the timing plate PU-50563.
PU-50563
= T
3.59
3