Polaris 2012 RANGER RZR 570 INTL User Manual

3.60
ENGINE / COOLING SYSTEM
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
9. Measure the valve clearance of each valve using a
thickness (feeler) gauge. Record the measurement if
clearance is out of specification.
10. If any of the valve clearance measurements are out
of
specification, re move th e ca mshaft carrier an d
camshafts and proceed with this procedure.
NOTE: If a ll valve clear ance meas urements are
wit
hin s
pecification, remov e t he ca mshaft ca rriers
and proceed to “Camshaft Installation / Timing”.
11. Remove the valve bucket fro
m
a valve that was out of
specification.
IMPORTANT: Keep mated parts together and in order
with re
spect to their location in the cylinder head for
assembly purposes. Mark each component or place
them in an organized rack as you remove them.
12. Record the 3 digit adjustment shim number (B).
NOTE: Shim 240 is shown for reference only.
13. Reference the valve cle
a
rance m easurement
recorded fo r th at valve, alon g with the 3- digit shim
number.
14. Refer to the appropriate shim selection matrix (Intake
or Exha
ust)
on the fo llowing pag es an d se lect th e
proper shim.
15. Install the new adjustment shim and valve bucket.
NOTE: Lubricate th e out er portion of the va lve
buck
e
t upon installation.
16. Repeat steps until all ne cessary valves ha ve been
adjus
ted.
17. Reinstall th e ca mshafts an d ca mshaft carriers and
ti
ghten the bolts evenly to specification.
18. Measure and co nfirm t hat v alve clearance is now
w
i
thin specification for each valve.
19. If valve clearance is not within specifica
tion, r epeat
this procedure.
20. If all valve clearance measurements are now within
specifica
tion, rem ove the cam shaft car riers an d
proceed to “Camshaft Installation / Timing”.
= In. / mm.
Intake Valve Clearance (cold):
.005-.007 in. (0.125-0.175 mm)
= In. / mm.
Exhaust Valve Clearance (cold):
.006-.010 in. (0.152-0.254 mm)
CAUTION
If performing this procedure with the cylinder
head installed on the engine, cover the spark
plug holes and the cam chain opening to prevent
a valve adjustment shim from falling into the
cylinder or crankcase.
= T
Camshaft Carrier Bolts:
7.5 in. lbs. (10 Nm)
B

Polaris 2012 RANGER RZR 570 INTL Specifications

General

Brand	Polaris
Model	2012 RANGER RZR 570 INTL
Category	Offroad Vehicle
Language	English