Polaris RZR 900 2017 Service Manual page 220

ENGINE / COOLING SYSTEM
9. If any of the valve clearance measurements are out
of specification, remove the camshaft carriers and
camshafts and proceed with this procedure.
NOTICE
If all valve clearance measurements are within
specification, remove the camshaft carriers and
proceed to Camshaft Installation / Timing page 3.80.
10. Remove the valve tappet from a valve that was out of
specification.
NOTICE
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.
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.
11. Record the 3 digit number on the bottom of the
i
tappet .
3.86
CAUTION
12. Reference
recorded for that valve, along with the 3-digit tappet
number.
13. Refer to the appropriate tappet selection matrix
(Intake or Exhaust) on the following pages and select
the proper tappet.
14. Install the appropriate tappet.
Lubricate the outer portion of the valve bucket upon
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 page 3.80.
9930588 R02 - 2017-2020 RZR 900 900/S 900/S4 1000/S 1000/S4 Service Manual
the valve clearance
NOTICE
installation.
TORQUE
Camshaft Carrier Bolts:
89 in-lbs (10 Nm)
© Copyright Polaris Industries Inc.
measurement