Page 286 - Manual Oficina Polaris Sportsman 570 2014 a 2016
P. 286
ENGINE / COOLING SYSTEM
7. Torque the camshaft carrier bolts in sequence to 10. If any of the valve clearance measurements are out
specification. of specification, remove the camshaft carrier 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”.
11. Remove the valve tappet q from a valve that was
out of specification.
TORQUE
Camshaft Carrier Bolts:
7 ft-lbs (10 Nm)
8. Install the Cylinder Holding and Camshaft Timing
Plate into the end of camshafts as shown below. The
thermostat housing must be removed to install the
timing plate PU-50563.
NOTE
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.
Cylinder Holding / Camshaft Timing Plate: 15. Install the new tappet.
PU-50563
NOTE
9. Measure the valve clearance of each valve using a Lubricate the outer portion of the valve bucket upon
thickness (feeler) gauge. Record the measurement if installation.
clearance is out of specification.
16. Repeat steps until all necessary valves have been
MEASUREMENT
adjusted.
Intake Valve Clearance (cold):
.006 ± .002″ (0.150 ± .050 mm) 17. Reinstall the camshafts and camshaft carriers and
tighten the bolts evenly to specification.
TORQUE
MEASUREMENT
Camshaft Carrier Bolts:
Exhaust Valve Clearance (cold):
7 ft-lbs (10 Nm)
.008 ± .002″ (0.200 ± .050 mm)
3.164 9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual
© Copyright Polaris Industries Inc.
