2
2.19
9924871 R03 - 2014 Polaris Sportsman® 570 EFI Service Manual
© Copyright 2013 Polaris Sales Inc.
7.
Rotate the drive clutch counter-clockwise until the
cam chain sprocket timing marks are aligned with the
gasket surface as shown (see Chapter 3 for more
TDC setting procedures).
NOTE:
Intake cam sprocket should have “I”
marks aligned with gasket surface and the
exhaust cam sprocket should have “E” marks
aligned with gasket surface.
8.
Measure the valve clearance of each valve using a
thickness (feeler) gauge. Record the measurement if
clearance is out of specification.
9.
If the valve clearance is out of specification, proceed
to “Valve Clearance Adjustment” (see Chapter 3).
Intake Valve Clearance (cold):
.006 ± .002 in. (0.152 ± .050 mm)
Exhaust Valve Clearance (cold):
.008 ± .002 in. (0.203 ± .050 mm)
10. Repeat steps 8-9 until all (4) valves have been
inspected.
11. Inspect the valve cover gasket and replace if
damaged or signs of leaking are present.
12. Install the valve cover and spark plug as outlined in
Chapter 3.
NOTE: New valve cover isolators are required.
13. Install drive belt and outer clutch cover and (8)
retaining
screws
(see
Chapter
6).
Torque
to
specification.
Outer Clutch Cover Screws:
45-50 in-lbs (5 Nm)
14. Connect the negative (-) battery cable to the battery.
15. Start the engine to ensure proper operation.
16. Reinstall the air box cover, PVT ducting and seats
(see Chapter 5).
MAINTENANCE
