Page 150 - Manual Oficina Polaris RZR 570 13-18

ENGINE / COOLING SYSTEM

CYLINDER HONE SELECTION / HONING CAMSHAFT INSTALLATION / TIMING
PROCEDURE
NOTE
CAUTION If any valve train components were replaced, refer to
Selecting a hone which will straighten as well as “Valve Clearance Adjustment”, page 3.63 procedure
remove material from the cylinder is very important. prior to “Camshaft Installation / Timing”.
Using a common spring loaded finger type glaze
breaker for honing is never advised. Polaris 1. Rotate the engine and position the piston at TDC.
recommends using a rigid hone or arbor honing
machine which also has the capability of oversizing. 2. Reference the intake q and exhaust w markings
made during disassembly.
Cylinders may be wet or dry honed depending upon the
hone manufacturer’s recommendations. Wet honing
removes more material faster and leaves a more distinct
pattern in the bore.

CLEANING THE CYLINDER AFTER HONING
It is very important that the cylinder be thoroughly
cleaned after honing to remove all grit material. Wash the
cylinder in a solvent, then in hot, soapy water. Pay close
attention to areas where the cylinder sleeve meets the
aluminum casting. Use electrical contact cleaner if
necessary to clean these areas. Rinse thoroughly, dry
with compressed air, and oil the bore immediately with
engine oil.

3. Lubricate all camshaft lobes and bearing journal
surfaces with Polaris PS-4 engine oil prior to
installation.
4. Place the exhaust cam into the cylinder head and
align the timing marks as shown below.

5. Wrap the cam chain around the exhaust cam
sprocket and hold the exhaust cam in its current
position.

3.52 9926813 R06 - 2013-2016 RZR 570 Service Manual
© Copyright Polaris Industries Inc.