3.81
ENGINE / COOLING
3
9924096 - 2013 RANGER RZR XP 900 / RZR XP 4 900 Service Manual
© Copyright 2012 Polaris Sales Inc.
9. If any of the valve clearance measurements are out
of specification, remove the camshaft carriers and
camshafts and proceed with this procedure.
NOTE: If all valve clearance measurements are
within specification, remove the camshaft carriers
and proceed to “Camshaft Installation / Timing”.
10. Remove the valve bucket from a valve that was out of
specification.
IMPORTANT: Keep mated parts together and in order
with respect to their location in the cylinder head for
assembly purposes. Mark each component or place
them in an organized rack as you remove them.
11. Record the 3 digit adjustment shim number (B).
NOTE: Shim 240 is shown for reference only.
12. Reference the valve clearance measurement
recorded for that valve, along with the 3-digit shim
number.
13. Refer to the appropriate shim selection matrix (Intake
or Exhaust) on the following pages and select the
proper shim.
14. Install the new adjustment shim and valve bucket.
NOTE: Lubricate the outer portion of the valve
bucket upon installation.
15. Repeat steps 10-14 until all necessary valves have
been adjusted.
16. Reinstall the camshafts and camshaft carriers and
tighten the bolts evenly to specification.
17. Measure and confirm that valve clearance is now
within specification for each valve.
18. If valve clearance is not within specification, repeat
this procedure.
19. If all valve clearance measurements are now within
specification, remove the camshaft carriers and
proceed to “Camshaft Installation / Timing”.
Exhaust Valve Clearance (cold):
.012 ± .002 in. (0.30 ± 0.05 mm)
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.
Camshaft Carrier Bolts:
89 ± 9 in-lbs (10 ± 1 Nm)
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