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9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
11. Remove the valve tappet
q
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.
12. Record the 3-digit number engraved on top of the
tappet.
13. Reference the valve clearance measurement
recorded for that valve, along with the 3-digit tappet
number.
14. Refer to the appropriate tappet selection matrix
(Intake or Exhaust) on the following pages and select
the proper tappet.
15. Install the new tappet.
NOTICE
Lubricate the outer portion of the valve bucket upon
installation.
16. Repeat steps until all necessary valves have been
adjusted.
17. Reinstall the camshafts and camshaft carriers and
tighten the bolts evenly to specification.
TORQUE
Camshaft Carrier Bolts:
7 ft-lbs (10 N·m)
18. Measure and confirm that valve clearance is now
within specification for each valve.
19. If valve clearance is not within specification, repeat
this procedure.
20. If all valve clearance measurements are now within
specification, remove the camshaft carriers and
proceed to “Camshaft Installation / Timing”.
ENGINE / COOLING SYSTEM
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